City of Johannesburg Metropolitan Municipality (Johannesburg)
May
Weather in City of Johannesburg Metropolitan Municipality for May 2026
Your guide to City of Johannesburg Metropolitan Municipality weather in May - trends and predictions
The forecast for the first days of May 2026 in City of Johannesburg Metropolitan Municipality predicts a temperature of 18.1 °C, which is cooler than the historical average.
In general, the average temperature in City of Johannesburg Metropolitan Municipality at the beginning of May is 22 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 20.3 °C by the end of May.
City of Johannesburg Metropolitan Municipality experiences moderate rainfall in May, with an average of 10 rainy days and a total precipitation of 35.1 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
21°/11°
Temperatures
13 km/h
Avg max wind
38 %
Avg humidity
City of Johannesburg Metropolitan Municipality Weather May
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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 in City of Johannesburg Metropolitan Municipality day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Sunny | 20° /10° | 0 mm | 5 | |
| 2 May |  Patchy rain possible | 21° /14° | 0.3 mm | 5 | |
| 3 May | Sunny | 22° /14° | 0 mm | 6 | |
| 4 May | Sunny | 21° /13° | 0 mm | 6 | |
| 5 May | Sunny | 23° /12° | 0.5 mm | 7 | |
| 6 May | Sunny | 24° /12° | 0 mm | 7 | |
| 7 May | Sunny | 23° /13° | 2.5 mm | 7 | |
| 8 May |  Moderate or heavy rain shower | 21° /12° | 8.3 mm | 6 | |
| 9 May | Sunny | 21° /11° | 0 mm | 6 | |
| 10 May | Sunny | 23° /11° | 0 mm | 7 | |
| 11 May | Sunny | 23° /12° | 0 mm | 7 | |
| 12 May | Sunny | 23° /11° | 0 mm | 7 | |
| 13 May | Sunny | 23° /11° | 0.2 mm | 6 | |
| 14 May | Sunny | 22° /12° | 2.9 mm | 6 | |
| 15 May | Sunny | 22° /11° | 6 mm | 6 | |
| 16 May | Sunny | 21° /12° | 1.5 mm | 6 | |
| 17 May | Sunny | 21° /11° | 0.4 mm | 7 | |
| 18 May | Sunny | 22° /11° | 1.2 mm | 6 | |
| 19 May | Sunny | 21° /11° | 0 mm | 6 | |
| 20 May | Sunny | 21° /10° | 1.5 mm | 6 | |
| 21 May | Sunny | 18° /9° | 3.1 mm | 6 | |
| 22 May |  Partly cloudy | 19° /8° | 0.2 mm | 6 | |
| 23 May | Sunny | 19° /8° | 0 mm | 6 | |
| 24 May | Sunny | 21° /9° | 0 mm | 7 | |
| 25 May | Sunny | 21° /9° | 0 mm | 7 | |
| 26 May | Sunny | 21° /9° | 0 mm | 7 | |
| 27 May | Sunny | 21° /10° | 0 mm | 7 | |
| 28 May | Sunny | 20° /10° | 0 mm | 6 | |
| 29 May | Sunny | 21° /10° | 0 mm | 7 | |
| 30 May | Sunny | 20° /9° | 0.2 mm | 6 | |
| 31 May | Sunny | 18° /9° | 0.7 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.
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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 21° and cooler nights around 11°. 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?
In May, City of Johannesburg Metropolitan Municipality can expect light to moderate rainfall, totaling 35.1 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
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 13 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in City of Johannesburg Metropolitan Municipality
Explore the daily rainfall trends and prepare for City of Johannesburg Metropolitan Municipalitys May weather 💧
Typically, City of Johannesburg Metropolitan Municipality has 10 rainy days in May with a total of 35.1 mm of rainfall.
UV exposure in City of Johannesburg Metropolitan Municipality during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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