Climate Overview
The climate in Humansdorp is temperate. The average annual temperature is 12°C and approximately 182mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Humansdorp is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: February, June, May. The coldest months are October, September, December, when temperatures can drop to 1°C. Light snow can occur between April and April.
Temperature
Temperatures in Humansdorp vary considerably across the year, with a 23°C difference between the coldest and warmest months. February is the warmest month, though highs remain moderate at 24°C with a mean of 18°C. October is the coolest month, with minimum temperatures around 1°C and an average of 7°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 9°C shift in average temperatures.
Precipitation
Humansdorp is a quite dry location, receiving approximately 182mm of precipitation annually, which averages out to around 15mm per month. The wettest month is January, averaging 33mm of rainfall. April and November also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 33mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between April and April, totalling around 33cm annually. April is the snowiest month with approximately 33cm.
Wind
Humansdorp is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 5km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
16 days until Spring
It is currently winter in Humansdorp, which began on June 21, 2026. Humansdorp is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 24°C, while the coldest stretch bottoms out in October near 1°C. Spring is next, beginning on September 23, 2026 — 16 days from now.
Spring
Temperatures range from 1 to 16°C. Precipitation is minimal, with only around 45mm for the entire season. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 2 to 24°C. Rainfall is relatively light, with around 67mm over the season and a monthly average of 22mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 5 to 22°C. Rainfall is relatively light, with around 68mm over the season and a monthly average of 23mm. Expect around 33cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 3 to 24°C. Precipitation is minimal, with only around 2mm for the entire season. Winds are generally light, averaging 5km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Humansdorp is during February, March, May and June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 9mm per month. By contrast, October can be quite cold with temperatures dropping to 1°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Humansdorp based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.