Climate Overview
The climate in Rietkuil is temperate. The average annual temperature is 16°C and approximately 642mm of precipitation falls per year. December is the wettest month, receiving around 137mm of rainfall. Rietkuil 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: October, December, November. The coldest months are July, June, August, when temperatures can drop to 3°C.
Temperature
Temperatures in Rietkuil vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is October, when average highs reach 26°C and the mean temperature sits around 18°C. July is the coolest month, with minimum temperatures around 3°C and an average of 10°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.
Precipitation
Rietkuil is a relatively dry area, receiving approximately 642mm of precipitation annually, which averages out to around 53mm per month. The wettest month is December, averaging 137mm of rainfall. January and February also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 136mm less than December, 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.
Wind
Rietkuil is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months.
Seasons
3 days until Autumn
It is currently winter in Rietkuil, which began on June 21, 2026. Rietkuil 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 October at around 26°C, while the coldest stretch bottoms out in July near 3°C. Autumn is next, beginning on March 20, 2026 — 3 days from now.
Spring
Temperatures range from 10 to 26°C. Precipitation is moderate at around 158mm for the season, averaging 53mm per month. Winds are moderate at around 20km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 14 to 25°C. Rainfall is heavy, totalling around 349mm across the season with a monthly average of 116mm. Winds are moderate at around 18km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 7 to 25°C. Rainfall is relatively light, with around 125mm over the season and a monthly average of 42mm. Winds are moderate at around 16km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 3 to 22°C. Precipitation is minimal, with only around 9mm for the entire season. Winds are moderate at around 18km/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 Rietkuil is during March, April, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 53mm per month. By contrast, July can be quite cold with temperatures dropping to 3°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Rietkuil 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. 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.