January Weather in Grabouw, South Africa

Last updated: August 31, 2025

In Grabouw, South Africa, January showcases a delightful and warm climate, with maximum temperatures reaching up to 30°C (87°F) and an average temperature of 20°C (68°F). The month experiences mild evenings, where temperatures can drop to a comfortable minimum of 14°C (57°F). While precipitation is relatively light at 24 mm (0.9 in) over the month, it typically occurs across 5 days, contributing to a humid atmosphere with levels around 77%. This combination of warmth and occasional rainfall creates an inviting environment, perfect for exploring the stunning landscapes and vibrant flora of the region.

January Temperature in Grabouw

In Grabouw, South Africa, January showcases a delightful summer climate, with temperatures ranging from a mild 14°C (57°F) at night to a warm 30°C (87°F) during the day, giving an average temperature of 20°C (68°F). This month stands out with a perfect blend of warmth, making it ideal for outdoor activities and explorations. As the season transitions into February, the temperatures slightly dip, yet remain comfortable, with a maximum of 29°C (85°F) and maintaining a steady average. The cooling trend continues into March, bringing slightly lower highs and a marginal drop in average temperatures, indicating the approach of autumn. Overall, January is marked by its peak warmth, setting a vibrant tone for summer in this picturesque region, which gradually shifts to milder conditions in the subsequent months.

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

The chart illustrates January temperature patterns in Grabouw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grabouw, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686866636057555457606265
Data source: Temperature data for Grabouw 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 Grabouw

January in Grabouw, South Africa, sees a moderate precipitation total of 24 mm (0.9 in), typically spread over about five rainy days. This marks the beginning of the year with relatively lower rainfall compared to the following months, where a noticeable increase can be observed. As the seasons transition, February and March experience slightly higher precipitation, peaking in May and June with totals of 74 mm (2.9 in) and 104 mm (4.1 in) respectively. The rainy days also follow this trend, with a gradual rise in intensity and frequency, particularly peaking in June with 10 days of rain. This pattern suggests a shift from the drier conditions of early summer to the lush, rainy heart of winter, creating a rich tapestry of seasonal change in this picturesque region.

January Precipitation Trends in Grabouw

The chart displays monthly precipitation patterns in Grabouw, 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 Grabouw, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2419332974104958350585131
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Grabouw

In January, Grabouw, South Africa, experiences a robust humidity level of 77%, setting the stage for a typically moist summer month. This figure marks the beginning of a gentle upward trend that peaks in March at 81%. Following this high, humidity levels remain relatively stable, hovering around the 80% mark from February to July, establishing a consistently humid atmosphere that characterizes the region's warmer months. The humidity then gradually tapers off in the latter part of the year, with November witnessing a dip to 75%, before returning to 77% in December. Overall, Grabouw's humidity reflects a seasonal rhythm, with a clear peak in mid-year, painting a picture of a lush, verdant landscape that thrives in such moisture.

January Average Humidity in Grabouw

This chart illustrates the average monthly humidity levels in Grabouw, 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 Grabouw is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%80%81%80%78%79%80%77%76%77%75%78%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Grabouw

In January, Grabouw, South Africa, experiences one of its peak UV Index readings at 14, categorizing it as extreme with a burn time of just 10 minutes. This intensity mirrors February and December, both also marked at 14, indicating a trend of heightened sun exposure during the summer months. As the seasons transition into autumn, the UV Index gradually decreases, hitting 11 in March and returning to 7 by April, where the burn time notably increases to 25 minutes. Throughout the following months, the Index remains moderate to high, fluctuating from 5 in May to 6 in August before climbing back to extremes in October and November. This seasonal variance emphasizes the importance of sun protection, particularly during the peak summer months. For more detailed information, visit Grabouw UV Index.

Maximum UV Index Levels in Grabouw for January

The chart shows the monthly maximum UV Index (UVI) for Grabouw 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 Grabouw typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753469111214
Data source: Grabouw 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 Grabouw

In Grabouw, South Africa, January shines brightly with an impressive 338 hours of sunshine, setting a vibrant tone for the year ahead. As summer unfolds, the sun's embrace intensifies, peaking in November with a delightful 389 hours, before reaching its annual climax in December at 420 hours. The gradual increase in daylight hours during the warmer months creates a noticeable trend, encouraging outdoor activities and fostering a lively community spirit. However, as winter approaches, there is a gentle decline in sunshine, notably in June, where it dips to 264 hours. This rhythmic pattern of sunshine not only highlights Grabouw’s seasonal charm but also reinforces its appeal as a destination for sun-seekers throughout the year.

Monthly Sunshine Duration in Grabouw: January Highlighted

The January sunshine duration represents the total number of hours Grabouw 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.
JanFebMarAprMayJunJulAugSepOctNovDec338h357h352h309h288h264h285h308h325h372h389h420h
Data source: Grabouw January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grabouw During January

In Grabouw, South Africa, January boasts a sunny weather probability of 72%, making it one of the sunniest months of the year. This promising trend continues into February with a slightly higher chance of 73% sunshine. However, as the seasons progress, the likelihood of sunny days begins to decline significantly, dropping to 51% by March and stabilizing around 50% in the following months. Interestingly, the summer warmth offers a bright start to the year, but the onset of autumn brings a more variable weather pattern. Overall, while you can anticipate plenty of sunny days in January and February, residents and visitors are advised to prepare for the shift to more overcast skies as winter approaches.

Percentage of Sunny Days in January in Grabouw

The chart illustrates the percentage of sunny days in Grabouw 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 Grabouw experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec72%73%51%53%50%58%58%53%53%51%48%50%
Data source: Grabouw January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grabouw in January

In Grabouw, South Africa, the January daylight shines brightly with approximately 14 hours of sunlight, marking the peak of summer. As the year progresses into February, the daylight gently begins to wane to 13 hours, transitioning into the milder autumn months. By March, daylight further decreases to 12 hours, and April follows suit with just 11 hours of light. This trend of diminishing daylight continues into the winter months of May and June, where the hours drop to 10 and a mere 9 hours, respectively. Interestingly, as winter gives way to spring in July and August, daylight stabilizes at about 10 hours. A gradual resurgence of sunlight begins in September, increasing to 11 hours, and continues to march upward through October and November, reaching 12 and 13 hours respectively, before cycling back to 14 hours in December. This rhythmic ebb and flow of daylight beautifully mirrors the changing seasons, highlighting the vibrant seasonal contrasts in Grabouw.

Average Daylight Hours in Grabouw for January

The chart illustrates the variation in daylight duration in Grabouw throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 7m13h 17m12h 15m11h 11m10h 19m9h 53m10h 7m10h 52m11h 53m12h 57m13h 53m14h 22m
Data source: Grabouw daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Grabouw

In January, the winds in Grabouw, South Africa, pick up a gentle pace with an average speed of 4.8 m/s (11 mph), creating a refreshing atmosphere as summer fully sets in. This slight increase in wind speed is part of a broader trend observed over the months, where January boasts the highest velocity compared to the subsequent months. As summer transitions into autumn, the winds gradually soften, hitting their seasonal low of 3.4 m/s (8 mph) in May. Interestingly, wind speeds see a modest revival by September, averaging 4.4 m/s (10 mph), before fluctuating around the 4 m/s mark for the remainder of the year. Overall, January is a standout month for wind enthusiasts, signaling the vibrant energy of the season in this picturesque region.

Average January Wind Speed in Grabouw

The chart displays monthly wind speed patterns in Grabouw, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.8 m/s4.54.33.63.43.84.23.84.44.34.44.7
Data source: Grabouw January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Grabouw Compares to Other Months

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

In January, temperatures in Grabouw range from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), with an average temperature of 20°C (68°F). The month experiences about 24 mm (0.9 in) of precipitation over 5 days, and humidity levels sit at around 77%. In contrast, February features similar minimum temperatures at 14°C (57°F) but has a slightly lower maximum of 29°C (85°F) and an increment in average temperature to 20°C (69°F). Precipitation decreases to 18 mm (0.7 in) over just 4 days, accompanied by a slight rise in humidity to 80%. For more detailed information about February weather, you can explore Grabouw weather in February.

In January, the weather is characterized by warm temperatures, with lows around 14°C (57°F), an average of 20°C (68°F), and highs reaching up to 30°C (87°F). The month sees moderate precipitation of 24 mm (0.9 in) over five days, with humidity levels averaging 77%.

In contrast, March experiences slightly cooler temperatures, with a minimum of 13°C (55°F), an average of 19°C (66°F), and a maximum of 29°C (85°F). Precipitation increases to 33 mm (1.3 in), also spread over five days, while humidity rises marginally to 81%.

For more detailed information, visit Grabouw weather in March.

In January, the weather is generally warmer, with average temperatures reaching up to 20°C (68°F) and a maximum of 30°C (87°F), while April sees a slightly cooler average of 17°C (63°F) with the same maximum. January experiences lower precipitation, totaling 24 mm (0.9 in) over about 5 days, compared to April's 29 mm (1.2 in) over 6 days. Humidity is also marginally higher in April at 80%, compared to 77% in January. For more detailed information about the weather in April, visit Grabouw weather in April.

In January, the weather is generally warmer, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), accompanied by relatively low precipitation of 24 mm (0.9 in) over five days. In contrast, May brings cooler temperatures, with averages from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), and a significant increase in rainfall totaling 74 mm (2.9 in) across six days. Additionally, humidity levels remain similar in both months, hovering around 77% in January and 78% in May. For more details on the weather in May, you can visit Grabouw weather in May.

In January, the weather is generally warmer with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), accompanied by a moderate average of 20°C (68°F). The month sees relatively low precipitation at 24 mm (0.9 in) over about 5 days, and the humidity stands at 77%. In contrast, June experiences much cooler temperatures, with a minimum of 6°C (44°F) and a maximum of 24°C (76°F), averaging at 14°C (57°F). This month is significantly wetter, receiving 104 mm (4.1 in) of precipitation over approximately 10 days, and the humidity rises slightly to 79%. For more detailed information about weather conditions, you can check Grabouw weather in June.

In January, the weather is significantly warmer, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), while July experiences much cooler conditions, with average temperatures fluctuating between 7°C (44°F) and 25°C (78°F). Precipitation also varies considerably, with January receiving only 24 mm (0.9 in) over about 5 days, compared to July's much wetter conditions with 95 mm (3.7 in) over 9 days. Humidity remains relatively high in both months, slightly increasing from 77% in January to 80% in July. For more detailed information about the weather in July, you can visit Grabouw weather in July.

In January, Grabouw experiences warmer temperatures, with a minimum of 14°C (57°F) and an average of 20°C (68°F), peaking at 30°C (87°F). The month has relatively low precipitation, with only 24 mm (0.9 in) falling over just 5 days, and humidity remains steady at 77%. In contrast, August brings cooler conditions, with temperatures dropping to a minimum of 6°C (43°F) and an average of 12°C (55°F), reaching a maximum of 25°C (77°F). This month sees significantly higher rainfall, totaling 83 mm (3.3 in) over 11 days, yet the humidity level remains the same at 77%. For a detailed look at the weather patterns during this month, visit Grabouw weather in August.

In January, the weather is generally warmer, with minimum temperatures around 14°C (57°F) and maximums reaching up to 30°C (87°F), accompanied by relatively low precipitation of 24 mm (0.9 in) over about 5 days. January's humidity is slightly higher at 77%, giving it a warm and humid feel. In contrast, September starts to cool down, featuring lower minimum temperatures of 7°C (45°F) and an average temperature of 14°C (57°F). The month sees increased precipitation of 50 mm (2.0 in) over 8 days, coupled with humidity levels that remain similar at 76%. The transition in weather from January to September highlights a significant drop in temperatures and an increase in rainy days. For more insights, check Grabouw weather in September.

In comparing the weather between January and October, we see notable differences in temperature and precipitation patterns. January enjoys warmer temperatures with a minimum of 14°C (57°F) and an average of 20°C (68°F), peaking at 30°C (87°F). In contrast, October's cooler temperatures range from a low of 9°C (48°F) to an average of 16°C (60°F), with a maximum of 29°C (85°F). October also experiences significantly more rainfall, totaling 58 mm (2.3 in) over 8 days, compared to January's 24 mm (0.9 in) over just 5 days. Despite these variations, both months share a consistent humidity level of 77%. For more details, check out Grabouw weather in October.

When comparing the weather of January and November, January experiences warmer temperatures, with an average of 20°C (68°F) compared to November's 17°C (63°F). January also sees higher maximum temperatures, peaking at 30°C (87°F) versus November’s maximum of 27°C (81°F). However, November tends to be wetter, receiving 51 mm (2.0 in) of precipitation over 7 days, compared to January's 24 mm (0.9 in) over 5 days. The humidity levels remain relatively similar, with January at 77% and November at 75%. For a more detailed look at November weather conditions, check out Grabouw weather in November.

In comparing the weather between January and December, January tends to be slightly warmer, with average temperatures reaching around 20°C (68°F) compared to December's 19°C (66°F). The maximum temperatures are also higher in January, peaking at 30°C (87°F), while December's maximum is 28°C (83°F). Precipitation is less frequent in January, with only 24 mm (0.9 in) falling over 5 days, compared to December’s 31 mm (1.2 in) over 7 days. Despite these differences, both months share the same humidity level of 77%. For more details, check out Grabouw weather in December.

Compare Grabouw's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Grabouw

As January rolls into Grabouw, the weather showcases a delightful blend of warmth and moisture, setting it apart from other months. With maximum temperatures reaching up to 30°C (87°F), the days are invigoratingly warm, perfect for outdoor adventures. In contrast to the cooler months, the humidity at 77% adds a tropical touch, making the air feel vibrant and alive. Despite experiencing some rainfall—spanning over five days with a total of 24 mm (0.9 in)—January remains relatively dry compared to the wetter months ahead. This unique combination creates an inviting atmosphere, ideal for enjoying the lush landscapes of Grabouw. For further insights into the climate trends, you can explore Grabouw Climate.