Last updated: August 31, 2025
In January, Clanwilliam, South Africa experiences a vibrant summer climate characterized by maximum temperatures reaching up to 39°C (102°F), creating an inviting atmosphere for outdoor activities. The average temperature settles around 23°C (74°F), offering warm days and comfortably cool nights, with minimum temperatures dropping to 9°C (48°F). While the region enjoys plenty of sunshine, it also sees light precipitation totaling 12 mm (0.5 in) over just 2 days, contributing to a relative humidity of 62%. This blend of warmth and occasional rain makes January an enticing month for visitors eager to explore Clanwilliam's natural beauty.
In January, Clanwilliam, South Africa, experiences warm summer temperatures, with a minimum of 9°C (48°F) at night, and the day heating up to a maximum of 39°C (102°F). The average temperature settles around 23°C (74°F), creating pleasant conditions ideal for outdoor activities. This trend of high daytime temperatures continues into February, where the upper limit remains steady at 39°C (102°F), but the nighttime lows rise slightly to 10°C (50°F). As summer transitions into autumn, March sees a slight cooling with average temperatures dropping to 21°C (71°F) and peak highs of 38°C (101°F). The weather continues to cool in April, where minimums reach 5°C (40°F), and by May, the chill intensifies further, with temperatures dropping as low as 3°C (38°F) at night. A noticeable decline occurs in June and July, with nighttime temperatures dipping below zero, showcasing a stark contrast to the summer months. However, as spring approaches in September and October, a gradual warming trend is observed, leading back to milder days and welcoming November and December with highs of 37°C (99°F) and 39°C (102°F), respectively. This cyclical pattern highlights Clanwilliam's diverse climate, offering both scorching summers and crisp winters.
In January, Clanwilliam experiences a modest precipitation of 12 mm (0.5 in), spread over just two days. This early summer month serves as a transition point in the region's climate, with subsequent months like March and May showing a notable uptick in rainfall—18 mm (0.7 in) and 32 mm (1.2 in) respectively. The early part of the year is characterized by lighter rains, but as winter approaches in June and July, precipitation peaks, culminating in over 60 mm within those months. This pattern highlights a significant contrast as the year progresses, transitioning from the drier early months to a more substantial rainy season later in the year, eventually tapering off again in the latter months. Overall, January sets the stage for the wetter months ahead, indicating an evolving pattern of precipitation that shapes the region's lush landscapes.
In January, Clanwilliam experiences a comfortable humidity level of 62%, which remains consistent into February. However, as the seasons shift towards autumn, the humidity gradually rises, reaching 70% by March and peaking at 82% in both June and July. The summer months showcase the region’s rising humidity, setting the stage for a lush landscape. Following this, humidity begins to decline, with a noticeable drop to 74% in September and continuing its descent to a refreshing 60% by December. This rhythm of humidity not only defines the climate but also shapes the natural beauty that Clanwilliam holds throughout the year.
In January, Clanwilliam, South Africa, experiences a glaring UV Index of 15, categorizing the exposure as extreme, with a burn time of just 10 minutes. This high level of UV radiation is consistent through the early months of the year, as February continues with a similarly extreme index of 14. As the season transitions into March, the UV Index slightly decreases to 12, still maintaining that extreme exposure level. However, there is a notable decline in UV intensity as April approaches, with the index dropping to 9, shifting to a very high exposure category, and allowing for a marginally longer burn time of 15 minutes. Moving further into the year, the UV levels gradually stabilize, highlighting a trend of decreasing intensity as we enter the cooler months. Despite this gradual drop, it's essential to remain vigilant against UV exposure. For more detailed information, check out the Clanwilliam UV Index.
UV Risk Categories
In January, Clanwilliam basks in 339 hours of glorious sunshine, setting the tone for a vibrant summer. As the year unfolds, the days grow even brighter, peaking in December with a remarkable 420 hours of sun, making it the sunniest month of the year. The trend reveals a steady increase through the latter part of the year, with November close behind at 390 hours. As summer gives way to autumn, sunlight begins to wane, dipping to 298 hours in May and further to 279 hours in June. However, the gentle return of sunshine starts in July and peaks again in the warmer months, reminding residents and visitors alike of the region's capacity for plentiful light throughout the year.
January in Clanwilliam, South Africa, boasts a remarkable 91% chance of sunny weather, making it one of the sunniest months of the year. This trend of abundant sunshine begins to dip slightly into February with a still-impressive 90%, before significantly declining in the following months. By March, the likelihood of clear skies drops to 74%, and continues to wane through the autumn into winter, with April and May seeing 72% and 64%, respectively. As the seasons change, the chances of sunshine hover around the mid-60s through the cooler months of June to October. This pattern clearly illustrates Clanwilliam’s sunny disposition early in the year, inviting visitors to bask in the warmth of January’s lingering summer.
In Clanwilliam, South Africa, January stands out with an impressive 13 hours of daylight, a duration that seamlessly extends into February. As summer transitions to autumn, daylight gradually begins to wane; by March, it dips to 12 hours, and by April, it decreases further to 11 hours. The trend continues through the winter months of June to August, where days plateau at 10 hours. With the arrival of spring in September, daylight hours begin to rebound, reaching 11 hours, and further increase in October and November, reaching back to 13 hours. The year concludes with December offering the longest days at 14 hours, showcasing a vibrant cycle of light and dark throughout the seasons, perfectly reflecting the dynamic climate of this beautiful locale.
In January, the wind in Clanwilliam, South Africa, whispers gently at an average speed of 2.8 m/s (6 mph), setting a tranquil tone for the month. As the seasons change, February sees a slight decrease to 2.7 m/s, but the breeze remains mild. This pattern of decreasing wind speed continues through March and April, dipping to 2.3 m/s and 2.1 m/s respectively, before a subtle resurgence begins in May with speeds moderating at 2.2 m/s. From this point, the wind picks up slightly during the winter months, peaking again at 2.9 m/s in November. By December, the winds settle at 2.6 m/s, creating a serene backdrop for the festive season. The overall trend highlights a gentle ebb and flow of wind throughout the year, with sporadic bursts that keep the climate dynamic yet inviting.
Weather in Clanwilliam varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Clanwilliam, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of January and February, both months exhibit similar high temperatures, with February presenting an average temperature of 24°C (75°F), slightly higher than January's 23°C (74°F). The minimum temperatures also have a small increase, from 9°C (48°F) in January to 10°C (50°F) in February. Notably, February experiences significantly less precipitation, with only 4 mm (0.2 in) over one day compared to January's 12 mm (0.5 in) over two days. Humidity remains consistent at 62% for both months, contributing to the warm and dry conditions typical of this region. For more specific details, you can check Clanwilliam weather in February.
In January, the temperatures in Clanwilliam range from a minimum of 9°C (48°F) to a maximum of 39°C (102°F), with an average temperature of 23°C (74°F). The month sees relatively low precipitation, totaling 12 mm (0.5 in) over just two days, and humidity levels average around 62%. In contrast, March experiences slightly cooler weather, with temperatures that range from a minimum of 8°C (47°F) to a maximum of 38°C (101°F) and an average of 21°C (71°F). Additionally, March has a higher precipitation amount of 18 mm (0.7 in) for the same two days, along with increased humidity at 70%. For more details, you can check Clanwilliam weather in March.
In January, the weather is characterized by a warmer climate, with average temperatures reaching 23°C (74°F) and maximums soaring to 39°C (102°F). The humidity level is relatively moderate at 62%, and the month experiences minimal rainfall, totaling just 12 mm (0.5 in) over two days.
In contrast, April tends to be cooler, with an average temperature of 19°C (66°F) and maximums around 36°C (96°F). The humidity rises slightly to 72%, and there is a bit more precipitation, with 14 mm (0.5 in) falling over three days. For more detailed information on April weather, you can check Clanwilliam weather in April.
In January, temperatures soar with a minimum of 9°C (48°F) and a blistering maximum of 39°C (102°F), averaging around 23°C (74°F). The weather is relatively dry, with only 12 mm (0.5 in) of precipitation over just two days, and humidity sits at a manageable 62%. In contrast, May brings a cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 31°C (89°F), averaging only 15°C (60°F). Precipitation increases to 32 mm (1.2 in) over four days, and humidity rises to 77%, contributing to a noticeably more humid atmosphere. For more detailed weather insights, you can visit Clanwilliam weather in May.
When comparing the weather in January and June, there is a stark contrast in temperatures and conditions. January experiences much warmer temperatures, with a minimum of 9°C (48°F) and reaching a scorching maximum of 39°C (102°F), whereas June sees much cooler weather, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 29°C (84°F). Additionally, January has relatively low precipitation levels of 12 mm (0.5 in) over just 2 days, while June sees a significant increase in rainfall, totaling 66 mm (2.6 in) across 8 days. The humidity also rises in June to 82%, compared to January's 62%. For more detailed information on June weather specifics, you can visit Clanwilliam weather in June.
January weather is characterized by high temperatures, with a minimum of 9°C (48°F), an average of 23°C (74°F), and a maximum reaching up to 39°C (102°F). The month experiences minimal precipitation, averaging just 12 mm (0.5 in) over 2 days, and humidity levels are moderate at 62%. In contrast, July brings much cooler conditions, with temperatures dropping significantly; it has a minimum of -2°C (29°F), an average of 11°C (52°F), and a maximum of 27°C (81°F). Precipitation also increases in July, totaling 63 mm (2.5 in) over 6 days, and humidity rises to 82%. For a more detailed comparison, you can visit Clanwilliam weather in July.
January and August present starkly contrasting weather patterns. In January, temperatures soar with a minimum of 9°C (48°F) and an average peak of 39°C (102°F), accompanied by relatively low precipitation of only 12 mm (0.5 in) over just 2 days. In contrast, August sees a significant drop in temperature, with a minimum of -2°C (29°F) and an average of 11°C (51°F), along with increased rainfall of 37 mm (1.4 in) spread over 7 days. The humidity also rises noticeably in August to 78%, compared to January’s 62%. For more detailed insights on August conditions, you can visit Clanwilliam weather in August.
In January, the weather in Clanwilliam is characterized by high temperatures, with a minimum of 9°C (48°F) and averages reaching up to 23°C (74°F), peaking at a scorching 39°C (102°F). Precipitation is relatively low at 12 mm (0.5 in) over just 2 days, and humidity sits at a comfortable 62%. In contrast, September brings cooler conditions, with temperatures ranging from a chilly 0°C (33°F) to a maximum of 34°C (93°F) and an average of 14°C (57°F). The month sees slightly more precipitation at 19 mm (0.7 in) over 4 days, along with increased humidity at 74%. For more on September's weather specifics, you can visit Clanwilliam weather in September.
In January, the weather is characterized by warm temperatures, with a minimum of 9°C (48°F), an average of 23°C (74°F), and a maximum hitting 39°C (102°F). Rainfall is minimal, with only 12 mm (0.5 in) over just 2 days, and humidity sits at a comfortable 62%. Conversely, October experiences cooler conditions, featuring a minimum temperature of 2°C (36°F) and an average of 17°C (63°F), while still reaching a high of 38°C (101°F). However, October sees more precipitation at 21 mm (0.8 in) across 4 days, with humidity slightly higher at 67%. For more detailed insights into October weather, you can check Clanwilliam weather in October.
In January, the weather is significantly warmer with temperatures ranging from a minimum of 9°C (48°F) to a scorching maximum of 39°C (102°F). In contrast, November sees cooler conditions, with temperatures ranging from 4°C (39°F) to a maximum of 37°C (99°F). Precipitation is slightly higher in November at 23 mm (0.9 in) over three days, compared to January's 12 mm (0.5 in) over just two days. Both months exhibit similar humidity levels, with January at 62% and November at 61%. For a deeper look into November's climate specifics, check out Clanwilliam weather in November.
In comparing the weather between January and December, both months experience similar temperature ranges, with January seeing slightly higher average and minimum temperatures than December. January's minimum temperature is 9°C, while December's is a cooler 6°C; both months can reach a maximum of 39°C. Precipitation levels in December are marginally higher at 16 mm compared to January's 12 mm, although both months see rain for only two days. Humidity levels are also comparable, with January at 62% and December at 60%. For more detailed insights, you can refer to Clanwilliam weather in December.
As January unfolds in Clanwilliam, the weather stands out with its warm temperatures and lower precipitation, marking a stark contrast to other months. With maximums climbing to a scorching 39°C (102°F) and averages resting comfortably around 23°C (74°F), visitors can bask in the summer sun. The humidity level reaches 62%, adding to the heat, but with only two days of rainfall totaling 12 mm, the dry conditions make for plenty of outdoor activities. This blend of warmth and minimal rain highlights why January is a favorite for those looking to enjoy the vibrant summer atmosphere. For a deeper dive into the annual weather patterns, check out Clanwilliam Climate.