City of Johannesburg Metropolitan Municipality
May
Weather in City of Johannesburg Metropolitan Municipality for May 2025
Your guide to City of Johannesburg Metropolitan Municipality weather in May - trends and predictions
In general, the average temperature in City of Johannesburg Metropolitan Municipality at the beginning of May is 25.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.9 °C by the end of May.
With an average of 4 rainy days, City of Johannesburg Metropolitan Municipality experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
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27
Dry days
4
Rainy days
0
Snow days
24°/10°
Temperatures
14 km/h
Avg max wind
41 %
Avg humidity
City of Johannesburg Metropolitan Municipality in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  26° | 3  26° | 4 24° | |||
| 5 26° | 6 26° | 7 24° | 8 21° | 9  22° | 10  23° | 11 25° |
| 12 24° | 13 23° | 14 21° | 15 20° | 16  20° | 17 23° | 18 23° |
| 19 21° | 20 21° | 21 22° | 22 21° | 23 20° | 24 23° | 25 22° |
| 26 21° | 27 22° | 28 21° | 29 21° | 30 20° | 31 19° |
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Temperatures trend during May in City of Johannesburg Metropolitan Municipality
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Cloudy | 25° /15° | 0 mm | 7 | |
| 2 May | Moderate or heavy rain shower | 26° /15° | 3.1 mm | 7 | |
| 3 May | Patchy rain possible | 26° /15° | 0.9 mm | 7 | |
| 4 May | Moderate or heavy rain shower | 24° /14° | 8.2 mm | 6 | |
| 5 May | Moderate or heavy rain shower | 26° /14° | 1.3 mm | 7 | |
| 6 May | Patchy rain possible | 26° /14° | 0.1 mm | 7 | |
| 7 May | Moderate or heavy rain shower | 24° /14° | 6.3 mm | 7 | |
| 8 May | Moderate or heavy rain shower | 21° /13° | 15.3 mm | 6 | |
| 9 May | Partly cloudy | 22° /12° | 0 mm | 7 | |
| 10 May | Sunny | 23° /13° | 0 mm | 7 | |
| 11 May | Sunny | 25° /13° | 0 mm | 7 | |
| 12 May | Partly cloudy | 24° /14° | 0 mm | 7 | |
| 13 May | Moderate rain at times | 23° /12° | 0.5 mm | 6 | |
| 14 May | Moderate or heavy rain shower | 21° /12° | 7.3 mm | 5 | |
| 15 May | Moderate or heavy rain shower | 20° /12° | 11.5 mm | 6 | |
| 16 May | Heavy rain at times | 20° /12° | 3.7 mm | 6 | |
| 17 May | Sunny | 23° /11° | 0 mm | 7 | |
| 18 May | Moderate or heavy rain shower | 23° /12° | 3 mm | 7 | |
| 19 May | Sunny | 21° /11° | 0 mm | 6 | |
| 20 May | Sunny | 21° /9° | 0 mm | 6 | |
| 21 May | Sunny | 22° /11° | 0 mm | 7 | |
| 22 May | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 23 May | Sunny | 20° /10° | 0 mm | 6 | |
| 24 May | Sunny | 23° /11° | 0 mm | 7 | |
| 25 May | Sunny | 22° /11° | 0 mm | 7 | |
| 26 May | Sunny | 21° /11° | 0 mm | 7 | |
| 27 May | Sunny | 22° /11° | 0 mm | 7 | |
| 28 May | Sunny | 21° /11° | 0 mm | 7 | |
| 29 May | Sunny | 21° /10° | 0 mm | 7 | |
| 30 May | Moderate rain at times | 20° /11° | 0.6 mm | 6 | |
| 31 May | Moderate rain at times | 19° /10° | 1.5 mm | 6 | |
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Important Notice
Our weather forecast for City of Johannesburg Metropolitan Municipality in May 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 City of Johannesburg Metropolitan Municipality forecast closer to your planned date for the most up-to-date weather information.
City of Johannesburg Metropolitan Municipality in May - FAQ
What are the expected maximum and minimum temperatures in City of Johannesburg Metropolitan Municipality during May?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City of Johannesburg Metropolitan Municipality during May?
Significant rainfall exceeding 126.6 mm is expected in City of Johannesburg Metropolitan Municipality during May, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in City of Johannesburg Metropolitan Municipality during May?
The average wind speed in City of Johannesburg Metropolitan Municipality during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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