Last updated: August 31, 2025
Experience the vibrant summer weather of Knysna, South Africa in January, where maximum temperatures can soar to 31°C (89°F), while the average daily temperature rests comfortably at 20°C (69°F). Evenings cool down to a pleasant 12°C (55°F), creating an inviting atmosphere. Expect occasional rainfall with 49 mm (1.9 in) of precipitation over roughly 8 days, making the lush landscape even more enchanting. With humidity levels around 77%, the air is rich and fragrant, enhancing the allure of this coastal gem. Discover the ideal balance of warmth and refreshment that defines Knysna in January!
In January, Knysna, South Africa, basks in the warmth of summer, with temperatures ranging from a comfortable 12°C (55°F) at night to a delightful 31°C (89°F) during the day, averaging around 20°C (69°F). This month serves as a vibrant start to the year, showcasing a trend of gradually rising temperatures that peak in February when highs can soar to 35°C (94°F). As summer progresses into March, the heat begins to subside slightly, with another high of 31°C (88°F) juxtaposed against cooler nights. The months that follow witness a steady decline, leading into the crispness of winter by July and August, with minimum temperatures dipping to around 5°C (42°F). By October, however, a resurgence of warmer weather brings back highs of 33°C (91°F), reminding visitors of the vibrant summer heat as the year transitions toward the end. Overall, January offers a delightful taste of Knysna's seasonal warmth, setting the tone for a captivating summer experience.
January in Knysna, South Africa, experiences a modest precipitation total of 49 mm (1.9 in), with rain gracing the area on approximately 8 days. This sets the tone for the early year, as precipitation slightly decreases in February and March, yet remains consistent, showcasing a gentle transition to the drier months ahead. Notably, November stands out as the wettest month, with rainfall peaking at 65 mm (2.6 in) despite the summer season, hinting at the region's unique climate patterns. The overall trend reveals that while January brings refreshing rain, the rainfall diminishes as winter approaches, creating a balanced cycle that sustains the lush landscapes Knysna is renowned for.
In January, Knysna experiences a humidity level of 77%, setting the stage for a warm and lush summer. As the month transitions into February, humidity rises slightly to 79%, continuing a trend of increasing moisture that peaks in March at 82%. This pattern of heightened humidity carries into April with 81%, creating a moist environment ideal for the region's vibrant landscapes. However, as winter approaches, a gradual decline begins, with humidity dropping to 77% in May and further to 74% in June. The cycle continues into the colder months with July and August seeing 76% and 73%, respectively. By September, humidity stabilizes around 75%, maintaining this level through the remainder of the year. Overall, the humidity in Knysna showcases a notable seasonal pattern—peaking in the warm summer months and creating a refreshing respite during the cooler seasons.
In January, Knysna experiences an exceptionally high UV Index of 14, indicating an extreme exposure category and a swift burn time of just 10 minutes. This trend of intense UV radiation continues throughout February and March, with indices of 13 and 11, respectively, maintaining that critical burn time. As the months progress into April, the UV Index drops to 8, still in the very high range, allowing a slightly longer exposure of 15 minutes. By May, the risk reduces to a moderate level (UV Index of 5) with a safer burn time of 30 minutes. This pattern of fluctuating UV levels persists, showcasing a significant drop in intensity during the winter months of June and July, when the index settles at 4. However, it climbs back into the high range between August and September. Interestingly, as the year wraps up, the UV Index returns to extreme levels in October and November before hitting that peak 14 again in December. It's essential for residents and visitors alike to stay informed about these fluctuations to protect their skin effectively. For more details, visit Knysna UV Index.
UV Risk Categories
In January, Knysna basks in the radiant glow of 332 hours of sunshine, setting a vibrant tone for the year. As summer unfolds, February and March bask even more, boasting 350 and 358 hours respectively, inviting visitors to enjoy the outdoors. However, as autumn approaches, daylight hours gradually decline, with April providing 311 hours, and May dipping to 298. The winter months, particularly June with only 278 hours of sun, remind us of the region's shift in climate. As the year progresses, a gradual rebound begins with July's 296 hours and August's 314, leading up to a stunning peak in December, where the sun shines for an impressive 415 hours. This trend reflects a captivating ebb and flow of sunshine, drawing travelers to experience Knysna’s seasonal charm.
In January, Knysna enjoys a 65% chance of sunny weather, making it one of the brighter months in the year. This trend of favorable sunshine continues into February, with a slightly lower likelihood of 62% sunshine, but remains significantly higher compared to the cooler months that follow. As the seasons change, the chances of sunny days dwindle, reaching a low of 42% in September and even less in the late spring months. However, the winter months surprise with a rebound, featuring a 67% chance of sunshine in June and peaking at 69% in July. Overall, January stands out as a vibrant start to the year, setting a lively tone that lingers through the summer warming into autumn.
In Knysna, South Africa, January greets visitors with an inviting 14 hours of daylight, a perfect setting for outdoor adventures and exploration. As the summer month gives way to February, daylight slightly diminishes to 13 hours, yet still offers ample sunlight. March ushers in a more noticeable decline, with 12 hours of daylight, marking the gradual transition toward the cooler autumn months. Throughout April and May, the hours of daylight continue to shrink, ultimately reaching 10 hours by May. Interestingly, this reduction stabilizes in June and July, where daylight holds steady at 9 to 10 hours. With August and September, the daylight begins to lengthen again, returning to 11 hours by the start of spring in September. The cycle completes with October and November, which enjoy 12 to 13 hours of daylight, before conveniently returning to 14 hours in December, ensuring that Knysna remains a bright spot for sun-seekers throughout the year.
In January, Knysna greets the New Year with a gentle breeze, boasting an average wind speed of 4.4 m/s (10 mph) that sets the perfect backdrop for outdoor activities. As the month progresses into February and March, the wind eases slightly to 3.8 m/s, offering a tranquil ambiance ideal for leisurely strolls along the coast. This calm continues through the autumn months, with April seeing a drop to 2.9 m/s, the quietest of the year, before a slight uptick returns in May and June at 3.7 m/s. The winds pick up again in July at 4.1 m/s, hinting at an invigorating mid-winter atmosphere. As the year unfolds towards the summer months, average speeds rise and fall slightly, consistently hovering between 4.0 m/s and 4.3 m/s from October to December. This pattern creates a dynamic yet soothing maritime environment, perfect for both adventure seekers and those looking to unwind by the picturesque shores of Knysna.
Weather in Knysna varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Knysna, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in Knysna typically range from a minimum of 12°C (55°F) to a maximum of 31°C (89°F), with an average temperature of 20°C (69°F). The month sees about 49 mm (1.9 in) of precipitation over 8 days, accompanied by a humidity level of 77%. In contrast, February experiences slightly warmer conditions, with minimum temperatures rising to 13°C (55°F) and maximums reaching up to 35°C (94°F), while maintaining the same average temperature of 20°C (69°F). Precipitation decreases slightly to 43 mm (1.7 in) over 9 days, and humidity levels increase marginally to 79%. This comparison highlights February as a warmer and slightly wetter month than January. For more specific details, you can check Knysna weather in February.
In January, the weather features a temperature range from a minimum of 12°C (55°F) to a maximum of 31°C (89°F), with an average temp of 20°C (69°F). The month experiences about 49 mm (1.9 inches) of precipitation over 8 days, and the humidity levels hover around 77%.
In comparison, March sees slightly cooler temperatures, with a minimum of 11°C (52°F) and an average of 19°C (67°F), while still reaching a maximum of 31°C (88°F). This month has less precipitation, totaling 42 mm (1.6 inches) also over 8 days, but the humidity increases slightly to 82%.
For a more detailed look at the weather, you can check Knysna weather in March.
January and April present distinct weather patterns, reflecting the shift from the height of summer to the early hints of autumn. In January, the average temperature peaks at a warm 20°C (69°F), with maximum highs reaching 31°C (89°F). This month also experiences relatively high humidity at 77% and slightly more precipitation, with 49 mm (1.9 in) over 8 days. In contrast, April sees a slight drop in average temperature to 17°C (63°F) and minimum temperatures around 9°C (49°F), while the maximums remain similar at 31°C (88°F). Precipitation decreases to 26 mm (1.0 in) over 7 days, and humidity rises slightly to 81%. For more detailed insights, check out Knysna weather in April.
In January, the weather is generally warmer, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 31°C (89°F) and an average of 20°C (69°F). Precipitation occurs on about 8 days, totaling 49 mm (1.9 in), maintaining a consistent humidity level of 77%. In contrast, May experiences cooler conditions, with a minimum of 8°C (46°F), an average of 16°C (61°F), and a maximum of 28°C (82°F). Rainfall is slightly less frequent, occurring over 6 days with a total of 36 mm (1.4 in), while humidity remains steady at 77%. For more detailed insights into the weather, you can refer to Knysna weather in May.
In January, Knysna experiences warmer temperatures with a minimum of 12°C (55°F) and an average of 20°C (69°F), peaking at a maximum of 31°C (89°F). The month sees a relatively higher precipitation of 49 mm (1.9 in) over 8 days, coupled with a humidity level of 77%. In contrast, June is cooler with a minimum temperature of 6°C (43°F), an average of 15°C (59°F), and a maximum of 27°C (81°F). This month records less precipitation at 24 mm (1.0 in) over 6 days and a slightly lower humidity of 74%. For more detailed information about the weather in June, you can refer to Knysna weather in June.
The weather conditions in January and July show marked differences. January features warmer temperatures, with a minimum of 12°C (55°F) and an average of 20°C (69°F), peaking at a maximum of 31°C (89°F). This month also experiences higher humidity at 77% and more days of rain, totaling 49 mm (1.9 in) across 8 days. In contrast, July brings cooler temperatures, with a minimum of 6°C (43°F) and an average of 14°C (57°F), reaching a maximum of 26°C (79°F). Precipitation is slightly lower in July at 41 mm (1.6 in) over just 6 days, while humidity remains comparable at 76%. For more detailed information, check Knysna weather in July.
In January, the weather is generally warmer and more humid, with temperatures ranging from a comfortable minimum of 12°C (55°F) to a scorching maximum of 31°C (89°F) and an average of 20°C (69°F). The month experiences about 49 mm (1.9 in) of precipitation over 8 days, leading to a humidity level of 77%. In contrast, August brings cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 26°C (80°F), averaging around 13°C (56°F). Precipitation increases slightly to 61 mm (2.4 in) over 9 days, accompanied by a lower humidity of 73%. For more details on the weather in August, you can visit Knysna weather in August.
In January, the weather is warmer, with average temperatures ranging from a minimum of 12°C (55°F) to a maximum of 31°C (89°F). In contrast, September experiences cooler temperatures, with averages between 6°C (44°F) and 33°C (91°F). Both months see a relatively similar amount of precipitation, with January receiving 49 mm (1.9 in) over 8 days and September slightly higher at 59 mm (2.3 in) over 9 days. Humidity levels are comparable as well, with January at 77% and September at 75%. For a more detailed look at September weather, you can check out Knysna weather in September.
January and October present contrasting weather patterns. In January, temperatures range from a minimum of 12°C (55°F) to a maximum of 31°C (89°F), with an average temperature of 20°C (69°F) and overall humidity at 77%. This month experiences about 49 mm (1.9 in) of precipitation spread over 8 days. In contrast, October features slightly cooler temperatures, with a minimum of 9°C (48°F), an average of 16°C (61°F), and a maximum of 33°C (91°F). Precipitation in October is slightly higher at 53 mm (2.1 in), occurring over 9 days, but the humidity remains relatively close at 75%. For more detailed insights, check out Knysna weather in October.
In comparing the weather of January and November, we see some notable differences despite both months exhibiting maximum temperatures around 31°C (88°F). January is warmer on average, with temperatures ranging from a minimum of 12°C (55°F) to an average of 20°C (69°F), while November's temperatures are slightly cooler, ranging from a minimum of 8°C (47°F) to an average of 17°C (63°F). Additionally, November experiences a higher precipitation level at 65 mm (2.6 in) over 9 days, compared to January's 49 mm (1.9 in) over 8 days. Humidity levels are also quite similar, with January at 77% and November at 75%. For a more detailed look at the November weather, visit Knysna weather in November.
In comparing the weather between January and December, both months experience similar temperature ranges and humidity levels. January sees slightly warmer conditions, with an average temperature of 20°C (69°F) and maximums reaching 31°C (89°F), compared to December's average of 19°C (66°F) and maximums of 30°C (87°F). Precipitation is slightly higher in January, totaling 49 mm (1.9 in) over 8 days, while December has 45 mm (1.8 in) over 9 days. Despite these minor differences, the humidity remains consistent at 77% throughout both months. For more detailed information, you can explore Knysna weather in December.
In January, Knysna experiences a delightful blend of warmth and humidity, making it stand out from the cooler months. With average temperatures around 20°C (69°F) and a peak reaching 31°C (89°F), it's a great time to enjoy the outdoors. Though this month brings some rainfall, typically spread over just 8 days and totaling 49 mm (1.9 in), it doesn't dampen the vibrant atmosphere. The pleasant humidity, averaging 77%, adds to the lush beauty of the region, making January an inviting time to explore Knysna's stunning landscapes. For more insights on what to expect throughout the year, check out Knysna Climate.