Weather in May in South Africa

Many people wonder what the weather conditions are in May in South Africa. Is this month a good time to go to South Africa? To answer that question we created this page with all the information you need.

What is the weather like in South Africa in May?

The weather in South Africa in May is generally perfect.

During May in South Africa, the temperature ranges from pleasant in Middelburg with 18°C (64°F) to high temperatures in Phalaborwa with 29°C (84°F). Minimum nighttime temperatures generally drop to 12°C (54°F) in Phalaborwa and 3°C (37°F) in Middelburg.

Precipitation in May ranges from low in Port Nolloth with an average of 8mm (0.3inch) rainfall to moderate in Cape Town with 68mm (2.7inch). It is also generally a sunny month with an average of 205 hours of sunshine in Cape Town during the whole month.

We invite you to have a look at the map below to find out more about the different weather conditions per location in South Africa.

Where to go in South Africa in May

Find the average weather conditions in May for the most popular destinations in South Africa on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in South Africa

What is the weather like in May for the 5 most popular destinations in South Africa?

Average weather in Cape Town

In May Cape Town generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 9°C (49°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Cape Town
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
23°C / 73°F 
12°C / 53°F 
234 hours 
41mm / 1.6inch 
8 days 
20°C / 68°F 
9°C / 49°F 
205 hours 
68mm / 2.7inch 
11 days 
June   >> June
>>  
18°C / 64°F 
8°C / 46°F 
175 hours 
93mm / 3.7inch 
13 days 
Climate in Cape Town

Average weather in Johannesburg

In May Johannesburg generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 7°C (45°F) and low monthly rainfall. So on average the conditions are perfect that month.

Johannesburg
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
21°C / 70°F 
10°C / 50°F 
237 hours 
54mm / 2.1inch 
10 days 
19°C / 66°F 
7°C / 45°F 
276 hours 
13mm / 0.5inch 
5 days 
June   >> June
>>  
16°C / 61°F 
4°C / 39°F 
267 hours 
9mm / 0.4inch 
2 days 
Climate in Johannesburg

Average weather in Durban

In May Durban generally has high temperatures with maximum daytime temperatures around 25°C (76°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Durban
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
26°C / 79°F 
17°C / 63°F 
206 hours 
73mm / 2.9inch 
9 days 
25°C / 76°F 
14°C / 57°F 
223 hours 
61mm / 2.4inch 
7 days 
June   >> June
>>  
23°C / 73°F 
11°C / 51°F 
224 hours 
38mm / 1.5inch 
5 days 
Climate in Durban

Average weather in Knysna

In May Knysna generally has pleasant temperatures with maximum daytime temperatures around 20°C (67°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Knysna
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
21°C / 70°F 
14°C / 58°F 
262 hours 
61mm / 2.4inch 
12 days 
20°C / 67°F 
13°C / 55°F 
261 hours 
37mm / 1.5inch 
9 days 
June   >> June
>>  
18°C / 64°F 
11°C / 51°F 
239 hours 
30mm / 1.2inch 
10 days 
Climate in Knysna

Average weather in Stellenbosch

In May Stellenbosch generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 9°C (49°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Stellenbosch
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
23°C / 73°F 
12°C / 53°F 
234 hours 
41mm / 1.6inch 
8 days 
20°C / 68°F 
9°C / 49°F 
205 hours 
68mm / 2.7inch 
11 days 
June   >> June
>>  
18°C / 64°F 
8°C / 46°F 
175 hours 
93mm / 3.7inch 
13 days 
Climate in Stellenbosch

Is your destination not in the list? Have a look at other destinations in South Africa.

Is May the best time to go to South Africa?

In our opinion May is one of the best times to visit South Africa with commonly perfect weather in Cape Town.

On average the best time to visit South Africa is in January, February, March, April, May, October, November and December with generally perfect weather in Cape Town. The worst month is July that can have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in South Africa. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to South Africa? Get detailed historical weather averages for many cities in South Africa.

    Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.