January Weather in Calitzdorp, South Africa

Last updated: August 31, 2025

January in Calitzdorp, South Africa is marked by intense summer heat, with maximum temperatures soaring up to 43°C (110°F) and an average of 23°C (73°F). The thermal contrast is notable, as nighttime temperatures can drop to a refreshing minimum of 10°C (51°F). During this month, the region experiences a moderate precipitation level of 39 mm (1.5 in) spread across about 6 days, contributing to a humidity level of 68% that underscores the warm atmosphere. This blend of heat and occasional rain creates a unique climate, ideal for those seeking vibrant summer experiences in the heart of South Africa.

January Temperature in Calitzdorp

In Calitzdorp, South Africa, January marks the height of summer, with temperatures that can soar dramatically, featuring a daily minimum of 10°C (51°F) and peaking at a sweltering 43°C (110°F). The average temperature during this month hovers around a pleasant 23°C (73°F), inviting outdoor adventures under the sun. As the season transitions into February, the warmth slightly eases, with maximum temperatures dropping to 41°C (105°F), while the minimum holds steady. Notably, as summer fades into autumn, the daily averages begin a gentle descent, giving way to cooler evenings and more moderate highs. By the time April rolls in, temperatures dip to 18°C (65°F) on average, and the extremes become more tempered, reflecting a clear shift in the climate. This gradual cooling trend continues into winter, with January's intense heat transforming into the crisp air of June, showcasing Calitzdorp's diverse climate and the allure of its changing seasons.

January Weather in Calitzdorp: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Calitzdorp, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calitzdorp, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec737370656055545459646669
Data source: Temperature data for Calitzdorp generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Calitzdorp

In January, Calitzdorp experiences a moderate precipitation amount of 39 mm (1.5 in), making it one of the wetter months of the year. This rainfall typically occurs over about six days, setting the stage for a refreshing start to the year. Interestingly, January is followed by a dip in precipitation during February, with only 23 mm (0.9 in) recorded, highlighting a seasonal trend where early summer showers gradually diminish. As the months progress, March sees a slight uptick to 32 mm (1.3 in), while April and May receive even less, with 25 mm (1.0 in) and 18 mm (0.7 in), respectively. This pattern of decreasing rainfall continues into winter, where June records a low of just 11 mm (0.5 in), reflecting the arid climate characteristic of the region. Overall, January marks a significant transitional phase, balancing the festive vibrancy of summer with the impending dry season that shapes Calitzdorp's unique weather narrative.

January Precipitation Trends in Calitzdorp

The chart displays monthly precipitation patterns in Calitzdorp, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Calitzdorp, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec392332251812182530314934
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Calitzdorp

In Calitzdorp, South Africa, January ushers in a moderate humidity level of 68%, setting the stage for a warm summer. As the season transitions into February, there's a slight dip to 66%, but humidity begins to rise again, peaking in March at 76%. This trend of increasing moisture continues into April and May, where humidity reaches 79% and 82%, respectively, indicating the area's warm and sultry conditions. The humidity holds steady throughout the winter months of June and July, remaining at 82% and 80%. Interestingly, August and September show a slight improvement, with both months displaying 74% humidity. As the year winds down, October's 72% signals a shift towards dryer conditions, culminating in November and December, where humidity drops to 63%, offering a reprieve from the year's humid heat. Overall, January serves as a starting point for a month-to-month journey through fluctuations that define Calitzdorp's climatic rhythm.

January Average Humidity in Calitzdorp

This chart illustrates the average monthly humidity levels in Calitzdorp, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Calitzdorp is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%66%76%79%82%82%80%74%74%72%63%63%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Calitzdorp

In January, Calitzdorp experiences one of its highest UV Index readings at 14, placing it in the extreme exposure category with a quick burn time of just 10 minutes. This trend of high UV levels continues into February and March, where the UV Index remains at 13 and 11, respectively, demanding vigilance from outdoor enthusiasts. As summer transitions into autumn, the index starts to drop, with April seeing a decrease to 8 (very high), allowing for slightly longer exposure times of 15 minutes. However, the pattern of extreme UV conditions resumes in the year’s latter months, with December peaking at an alarming 15. Observing these fluctuations emphasizes the importance of sun safety year-round in Calitzdorp, especially during the summer months when the UV Index consistently calls for heightened awareness. For more detailed insights on UV levels throughout the year, visit Calitzdorp UV Index.

Maximum UV Index Levels in Calitzdorp for January

The chart shows the monthly maximum UV Index (UVI) for Calitzdorp in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Calitzdorp typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854469111315
Data source: Calitzdorp January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Calitzdorp

In Calitzdorp, South Africa, January shines brightly with 328 hours of sunshine, setting a vibrant tone for the year. As the summer heat intensifies, February and March bask in even more sunlight, with 355 and 359 hours respectively, encouraging outdoor adventures and scenic vineyard visits. However, as autumn approaches, the sun's embrace begins to wane, dropping to 313 hours in April and further to 301 hours in May. The chill of winter takes hold in June, bringing 281 hours of sunshine, followed by July's slight recovery at 300 hours. As spring emerges, the sunshine returns with a resurgence, peaking in October with an impressive 370 hours and culminating in November and December, when the days stretch luxuriously to 388 and 419 hours. This rhythmic dance of sunlight not only showcases the region's agricultural bounty but also invites visitors to delight in its natural beauty throughout the year.

Monthly Sunshine Duration in Calitzdorp: January Highlighted

The January sunshine duration represents the total number of hours Calitzdorp experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec328h355h359h313h301h281h300h316h330h370h388h419h
Data source: Calitzdorp January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Calitzdorp During January

In Calitzdorp, South Africa, January boasts a commendable 69% chance of sunny weather, making it one of the brightest months of the year. This trend of favorable sunny conditions continues into February, with a slight decrease to 67%, but remains significantly higher compared to the cooler months ahead. As the year progresses, chances of sunshine wane, dipping to a balanced 50% in both March and April before improving again in late winter. By July, the likelihood of sun climbs to 73%, suggesting a seasonal shift towards more radiant days, while the following months bring mixed results, culminating in December's 40%. Overall, January stands out as an ideal time to bask in the sunshine, embodying the peak of the region's summer warmth.

Percentage of Sunny Days in January in Calitzdorp

The chart illustrates the percentage of sunny days in Calitzdorp throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Calitzdorp experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec69%67%50%50%60%68%73%61%45%49%47%40%
Data source: Calitzdorp January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Calitzdorp in January

In January, Calitzdorp basks in an abundant 14 hours of daylight, marking the peak of summer when the days are at their longest. As the season transitions into February, daylight diminishes slightly to 13 hours, hinting at the gradual shift towards cooler autumn months. By March, daylight reduces to 12 hours, and this decline continues throughout the year, reaching its lowest point in June with just 9 hours of sunlight. However, as winter fades, daylight begins to extend once more; July and August see a stable 10 hours before gradually increasing. A notable rise occurs in September and October as days lengthen again, reaching 12 hours by October's end. Finally, both November and December exuberantly return to the summer sunlight of 13 and 14 hours, respectively, reinforcing the cyclical nature of daylight that characterizes this vibrant region.

Average Daylight Hours in Calitzdorp for January

The chart illustrates the variation in daylight duration in Calitzdorp throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 4m13h 16m12h 14m11h 12m10h 21m9h 56m10h 10m10h 54m11h 53m12h 55m13h 50m14h 19m
Data source: Calitzdorp daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Calitzdorp

In Calitzdorp, South Africa, January greets residents and visitors with a gentle breeze, as the average wind speed reaches 2.6 m/s (6 mph). This marks the peak for the month, creating a refreshing atmosphere during the warm summer days. As the seasons shift into February, the winds slightly ease to 2.4 m/s (5 mph) and continue to mellow through March, dropping to 2.2 m/s (5 mph). The subsequent months witness a gradual decline in wind speed, reaching a seasonal low of 1.8 m/s (4 mph) in April. However, the wind picks up rhythm again in May and remains consistent around 2.0 - 2.4 m/s (5 mph) from June through November. By December, the winds whisper at 2.3 m/s (5 mph), wrapping up the year in a mild cadence. This gentle and consistent wind pattern not only enhances the region's charm but also contributes to its unique climatic character throughout the year.

Average January Wind Speed in Calitzdorp

The chart displays monthly wind speed patterns in Calitzdorp, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.6 m/s2.42.21.82.02.42.42.02.22.42.42.3
Data source: Calitzdorp January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Calitzdorp Compares to Other Months

Weather in Calitzdorp varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Calitzdorp, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, temperatures range from a minimum of 10°C (51°F) to a maximum of 43°C (110°F), with an average of 23°C (73°F). The month experiences 39 mm (1.5 in) of rainfall over 6 days, with humidity levels around 68%. In contrast, February shows a slightly cooler maximum of 41°C (105°F), while maintaining the same minimum and average temperatures as January. Precipitation decreases to 23 mm (0.9 in) over 5 days, and humidity also drops slightly to 66%. For a more detailed look at February weather, visit Calitzdorp weather in February.

When comparing the weather in January and March, we can see that January tends to be slightly warmer, with average temperatures reaching 23°C (73°F) compared to 21°C (70°F) in March. Both months experience a similar range in minimum and maximum temperatures, with January peaking at 43°C (110°F), while March's highest temperature is 40°C (105°F). Precipitation is fairly close as well, with January receiving 39 mm (1.5 in) over 6 days, and March recording 32 mm (1.3 in) across the same number of days. Additionally, humidity levels rise from 68% in January to 76% in March, indicating a more humid environment as the seasons transition. For more detailed information, you can check Calitzdorp weather in March.

In January, the weather is characterized by significantly warmer temperatures, with a minimum of 10°C (51°F) and an average high reaching 43°C (110°F). The overall humidity stands at 68%, and the region experiences about 39 mm (1.5 in) of precipitation over 6 days. In contrast, April presents a more moderate climate, with minimum temperatures dropping to 6°C (42°F) and an average maximum of 37°C (99°F). Rainfall is lower, totaling 25 mm (1.0 in) across 5 days, while humidity increases to 79%. For more detailed information, you can check Calitzdorp weather in April.

January and May exhibit contrasting weather patterns. In January, temperatures soar, with a minimum of 10°C (51°F), an average of 23°C (73°F), and a maximum reaching a sweltering 43°C (110°F). The month also experiences relatively low precipitation levels, totaling 39 mm (1.5 in) over 6 days, accompanied by a humidity of 68%. In stark contrast, May sees much cooler conditions, with a minimum of 2°C (36°F), an average of 16°C (60°F), and a maximum of 32°C (91°F). Additionally, May features less precipitation at 18 mm (0.7 in) over 5 days, but higher humidity at 82%. This marks a significant shift from January's heat to May's cooler and more humid climate. For more details, check out Calitzdorp weather in May.

In January, the weather in Calitzdorp is characterized by significantly higher temperatures, with a minimum of 10°C (51°F) and an average reaching 23°C (73°F), peaking at a scorching 43°C (110°F). Precipitation during this month averages 39 mm (1.5 in) over about 6 days, and the humidity is relatively lower at 68%. In contrast, June presents a much cooler climate, with temperatures ranging from a chilling 0°C (31°F) at night to a comfortable average of 13°C (56°F) during the day, and a maximum of 30°C (86°F). The precipitation decreases to just 11 mm (0.5 in) over approximately 4 days, though the humidity rises to 82%. For more details, visit Calitzdorp weather in June.

In January, the weather is considerably warmer with temperatures ranging from a minimum of 10°C (51°F) to a scorching maximum of 43°C (110°F), averaging around 23°C (73°F). This month also experiences a moderate amount of precipitation, with about 39 mm (1.5 in) falling over approximately 6 days, coupled with a humidity level of 68%.

In contrast, July is much cooler, with temperatures ranging from a chilly 0°C (32°F) to a more comfortable maximum of 29°C (84°F), averaging 12°C (54°F). The precipitation during this month is lighter at 18 mm (0.7 in), occurring over just 4 days, and the humidity is slightly higher at 80%. These distinct differences highlight the variability in weather between January and July. For more detailed insights, check out Calitzdorp weather in July.

In January, the weather is significantly warmer, with temperatures ranging from a minimum of 10°C (51°F) to a scorching maximum of 43°C (110°F) and an average of 23°C (73°F). The month experiences around 39 mm (1.5 in) of precipitation over 6 days, accompanied by a humidity level of 68%. In contrast, August is much cooler, with temperatures dipping to a minimum of 0°C (32°F) and a maximum of 31°C (88°F), averaging at 12°C (54°F). It sees less precipitation at 25 mm (1.0 in) over the same number of days but has a higher humidity of 74%. For more detailed insights, you can check out Calitzdorp weather in August.

In January, the weather features much warmer temperatures, with minimums around 10°C (51°F) and maximums reaching up to 43°C (110°F), while September experiences cooler conditions, with minimums dropping to 2°C (35°F) and maximums peaking at 36°C (97°F). January also has a higher average temperature of 23°C (73°F) compared to September's 15°C (60°F). Precipitation is slightly more frequent in January, with about 39 mm (1.5 in) falling over 6 days, while September sees 30 mm (1.2 in) of rain over just 5 days. Notably, humidity levels are slightly higher in September at 74%, compared to 68% in January. For more detailed information about September weather, you can visit Calitzdorp weather in September.

In January, temperatures range from a minimum of 10°C (51°F) to a blistering maximum of 43°C (110°F), with an average of 23°C (73°F). This month experiences about 39 mm (1.5 in) of rainfall spread over 6 days, alongside a humidity level of 68%. In contrast, October sees significantly cooler weather, with temperatures fluctuating from a low of 3°C (38°F) to a high of 40°C (105°F) and an average of 18°C (64°F). October typically has less rainfall, totaling 31 mm (1.2 in) over 5 days, and slightly higher humidity at 72%. For more details, visit Calitzdorp weather in October.

In January, the weather is noticeably warmer, with temperatures ranging from a minimum of 10°C (51°F) to a scorching maximum of 43°C (110°F), coupled with an average of 23°C (73°F). The month sees a moderate amount of precipitation at 39 mm (1.5 in) over 6 days, with humidity levels around 68%. In contrast, November experiences slightly cooler temperatures, with minimums at 6°C (43°F) and maximums reaching 40°C (104°F), averaging 19°C (66°F). Additionally, November has a bit more rainfall, totaling 49 mm (1.9 in) across 8 days, while maintaining a lower humidity level of 63%. For more detailed information about November's climate, you can visit Calitzdorp weather in November.

In comparing January and December weather, both months experience relatively warm temperatures, with January showcasing a slightly higher average temperature of 23°C (73°F) compared to December's 21°C (70°F). The maximum temperatures peak at 43°C (110°F) in January, just above December's maximum of 42°C (108°F). Precipitation is also slightly greater in January at 39 mm (1.5 in) versus December's 33 mm (1.3 in), though both months see rain on approximately six days. Humidity is higher in January at 68%, while December registers a lower humidity level of 63%. For more detailed weather insights, check out Calitzdorp weather in December.

Compare Calitzdorp's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Calitzdorp

In January, Calitzdorp experiences a vibrant climate that sets it apart from the cooler months of the year. With maximum temperatures soaring to a blistering 43°C, this month truly embodies the essence of summer, making it a time for outdoor adventures. While the average warmth encourages leisure, the occasional rainfall of 39 mm reminds us of the region's unique charm, balancing heat with refreshing showers. Despite the 68% humidity adding to the sultriness, the vibrant landscape flourishes, offering visitors a picturesque scene that is distinctively different from the cooler tones of the preceding months. To learn more about how January weather contrasts with other times of the year, visit Calitzdorp Climate.