Climate Insights for Roodepoort

City of Johannesburg Metropolitan Municipality, Gauteng, South Africa

Hottest
November
27°C peak
Coldest
July
4°C low
Wettest
January
110mm rain
Best to Visit
February, March, April
Mild temps & low rain

Climate Overview

The climate in Roodepoort is temperate. The average annual temperature is 18°C and approximately 598mm of precipitation falls per year. January is the wettest month, receiving around 110mm of rainfall. Roodepoort 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: November, December, October. The coldest months are July, June, August, when temperatures can drop to 4°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 21° Min: 16° Feb Max: 27° Average: 21° Min: 16° Mar Max: 26° Average: 20° Min: 15° Apr Max: 23° Average: 17° Min: 11° May Max: 22° Average: 14° Min: 8° Jun Max: 19° Average: 11° Min: 4° Jul Max: 19° Average: 11° Min: 4° Aug Max: 23° Average: 15° Min: 7° Sep Max: 26° Average: 18° Min: 11° Oct Max: 27° Average: 20° Min: 13° Nov Max: 27° Average: 21° Min: 15° Dec Max: 27° Average: 22° Min: 16°
Max
Average
Min

Temperatures in Roodepoort vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is November, when average highs reach 27°C and the mean temperature sits around 21°C. July is the coolest month, with minimum temperatures around 4°C and an average of 11°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 4°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 110mm Feb Precipitation: 99mm Mar Precipitation: 64mm Apr Precipitation: 59mm May Precipitation: 17mm Jun Precipitation: 5mm Jul Precipitation: 4mm Aug Precipitation: 1mm Sep Precipitation: 12mm Oct Precipitation: 47mm Nov Precipitation: 72mm Dec Precipitation: 109mm
Precipitation

Roodepoort is a relatively dry area, receiving approximately 598mm of precipitation annually, which averages out to around 50mm per month. The wettest month is January, averaging 110mm of rainfall. December and February also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 108mm 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.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 16km/h Feb Wind Speed: 15km/h Mar Wind Speed: 14km/h Apr Wind Speed: 14km/h May Wind Speed: 13km/h Jun Wind Speed: 15km/h Jul Wind Speed: 15km/h Aug Wind Speed: 18km/h Sep Wind Speed: 19km/h Oct Wind Speed: 19km/h Nov Wind Speed: 19km/h Dec Wind Speed: 17km/h
Wind Speed

Roodepoort is mildly breezy, with an average annual wind speed of 16km/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 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

3 days until Autumn

It is currently winter in Roodepoort, which began on June 21, 2026. Roodepoort 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 November at around 27°C, while the coldest stretch bottoms out in July near 4°C. Autumn is next, beginning on March 20, 2026 — 3 days from now.

Spring

Temperatures range from 11 to 27°C. Rainfall is relatively light, with around 131mm over the season and a monthly average of 44mm. Winds are moderate at around 19km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 16 to 27°C. Rainfall is heavy, totalling around 317mm across the season with a monthly average of 106mm. Winds are moderate at around 16km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 8 to 26°C. Rainfall is relatively light, with around 139mm over the season and a monthly average of 46mm. Winds are generally light, averaging 14km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 4 to 23°C. Precipitation is minimal, with only around 10mm for the entire season. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 21°
Feb 21°
Mar 20°
Apr 17°
May 14°
Jun 11°
Jul 11°
Aug 15°
Sep 18°
Oct 20°
Nov 21°
Dec 22°

The best time to visit Roodepoort is during February, March, April, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 59mm per month. By contrast, July can be quite cold with temperatures dropping to 4°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 Roodepoort 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.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
16 °C
27 °C
16 km/h
110 mm
0 cm
Feb
16 °C
27 °C
15 km/h
99 mm
0 cm
Mar Current
15 °C
26 °C
14 km/h
64 mm
0 cm
Apr
11 °C
23 °C
14 km/h
59 mm
0 cm
May
8 °C
22 °C
13 km/h
17 mm
0 cm
Jun
4 °C
19 °C
15 km/h
5 mm
0 cm
Jul
4 °C
19 °C
15 km/h
4 mm
0 cm
Aug
7 °C
23 °C
18 km/h
1 mm
0 cm
Sep
11 °C
26 °C
19 km/h
12 mm
0 cm
Oct
13 °C
27 °C
19 km/h
47 mm
0 cm
Nov
15 °C
27 °C
19 km/h
72 mm
0 cm
Dec
16 °C
27 °C
17 km/h
109 mm
0 cm
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Metric (°C, km/h)