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South Africa weather

Weather in Gauteng for December 2025

Your guide to Gauteng weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Gauteng is slightly cooler than the historical average by -1.9 °C.

  • Expect cooler weather in the next days in Gauteng with the forecast suggesting a temperature of 28.2 °C, lower than the historical average.

  • In general, the average temperature in Gauteng at the beginning of December is 31.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.6 °C by the end of December.

    • Rain 🌧️

  • Gauteng experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 149.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
1
Dry days
Average rainy days
30
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/18°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
55 %
Avg humidity

Gauteng Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
30°
2
Patchy rain possible
32°
3
Sunny
33°
4
Patchy rain possible
32°
5
Moderate or heavy rain shower
30°
6
Moderate or heavy rain shower
31°
7
Patchy rain possible
31°
8
Patchy rain possible
30°
9
Patchy rain possible
30°
10
Patchy rain possible
29°
11
Patchy rain possible
29°
12
Partly cloudy
29°
13
Moderate or heavy rain shower
28°
14
Patchy rain possible
28°
15
Patchy rain possible
29°
16
Patchy rain possible
29°
17
Patchy rain possible
29°
18
Patchy rain possible
27°
19
Light rain shower
26°
20
Sunny
28°
21
Patchy rain possible
28°
22
Moderate rain at times
26°
23
Moderate or heavy rain shower
30°
24
Moderate rain
30°
25
Moderate rain
26°
26
Patchy rain possible
30°
27
Patchy rain possible
30°
28
Patchy rain possible
30°
29
Patchy rain possible
29°
30
Patchy rain possible
25°
31
Patchy rain possible
30°

What’s the Weather Like in Gauteng This December?

Discover the average temperatures and weather trends across Gauteng’s cities this December.
Patchy rain possiblePretoria29 °C / 18 °CPatchy rain possibleJohannesburg27 °C / 17 °CPatchy rain possibleSoweto28 °C / 17 °CPatchy rain possibleBenoni28 °C / 16 °CPatchy rain possibleCenturion29 °C / 18 °CPatchy rain possibleSoshanguve32 °C / 20 °CPatchy rain possibleVereeniging30 °C / 16 °CPatchy rain possibleBoksburg28 °C / 18 °CPatchy rain possibleRandburg28 °C / 17 °CPatchy rain possibleRoodepoort29 °C / 17 °CPatchy rain possibleJohannesburg South28 °C / 17 °CPatchy rain possibleTembisa28 °C / 17 °CMore Locations

Temperatures trend during December in Gauteng

See the weather trend as well as the moving average line

December weather in Gauteng day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Partly cloudy
Partly cloudy
 30° /15° 2.4 mm 10
2 Dec. Patchy rain possible
Patchy rain possible
 32° /16° 1.7 mm 9
3 Dec. Sunny
Sunny
 33° /18° 2.3 mm 10
4 Dec. Patchy rain possible
Patchy rain possible
 32° /18° 6.8 mm 10
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /18° 12.1 mm 9
6 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /18° 6 mm 9
7 Dec. Patchy rain possible
Patchy rain possible
 31° /18° 2.8 mm 9
8 Dec. Patchy rain possible
Patchy rain possible
 30° /17° 3.9 mm 9
9 Dec. Patchy rain possible
Patchy rain possible
 30° /18° 2.7 mm 9
10 Dec. Patchy rain possible
Patchy rain possible
 29° /16° 4.9 mm 9
11 Dec. Patchy rain possible
Patchy rain possible
 29° /18° 4.3 mm 9
12 Dec. Partly cloudy
Partly cloudy
 29° /18° 3.3 mm 9
13 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /18° 10.6 mm 9
14 Dec. Patchy rain possible
Patchy rain possible
 28° /17° 3.1 mm 9
15 Dec. Patchy rain possible
Patchy rain possible
 29° /17° 2.4 mm 9
16 Dec. Patchy rain possible
Patchy rain possible
 29° /17° 5.6 mm 9
17 Dec. Patchy rain possible
Patchy rain possible
 29° /17° 5 mm 9
18 Dec. Patchy rain possible
Patchy rain possible
 27° /17° 3.3 mm 9
19 Dec. Light rain shower
Light rain shower
 26° /16° 3.8 mm 8
20 Dec. Sunny
Sunny
 28° /16° 2.3 mm 9
21 Dec. Patchy rain possible
Patchy rain possible
 28° /17° 2.9 mm 9
22 Dec. Moderate rain at times
Moderate rain at times
 26° /17° 5.3 mm 8
23 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /17° 3.1 mm 9
24 Dec. Moderate rain
Moderate rain
 30° /18° 8 mm 2.5
25 Dec. Moderate rain
Moderate rain
 26° /17° 7.9 mm 2.5
26 Dec. Patchy rain possible
Patchy rain possible
 30° /18° 4.9 mm 3.5
27 Dec. Patchy rain possible
Patchy rain possible
 30° /17° 2.9 mm 3.6
28 Dec. Patchy rain possible
Patchy rain possible
 30° /17° 1.1 mm 5
29 Dec. Patchy rain possible
Patchy rain possible
 29° /17° 0.1 mm 8
30 Dec. Patchy rain possible
Patchy rain possible
 25° /17° 0.1 mm 8
31 Dec. Patchy rain possible
Patchy rain possible
 30° /17° 4.7 mm 8
Next
Important Notice
Our weather forecast for Gauteng in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Gauteng forecast closer to your planned date for the most up-to-date weather information.
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Gauteng in December - FAQ

What are the expected maximum and minimum temperatures in Gauteng during December?
During December, expect a variety of temperatures with highs around 29° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Gauteng during December?
Significant rainfall exceeding 149.3 mm is expected in Gauteng during December, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gauteng during December?
The average wind speed in Gauteng during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Gauteng

Explore the daily rainfall trends and prepare for Gautengs December weather 💧
Typically, Gauteng has 30 rainy days in December with a total of 149.3 mm of rainfall.

UV exposure in Gauteng during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Provinces in Gauteng
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City of Johannesburg Metropolitan MunicipalityCity of Tshwane Metropolitan MunicipalityEkurhuleni Metropolitan MunicipalitySedibeng District MunicipalityWest Rand District Municipality
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BenoniBoksburgCenturionJohannesburgPretoriaRandburgRoodepoortSoshanguveSowetoVereeniging
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