Cape Town in May usually sees fair weather conditions, with an average daily high temperature of +66°F and roughly 11 sunny days. However, you should prepare for about 6 rainy days with an average precipitation of 63 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
May is usually the wettest month of the year in Cape Town;
Average weather
☀️
+66°F
Avg. max. temperature
+43°F
Min.
+91°F
Max.
63 mm
Total precipitation
79%
Avg. humidity
3 m/s
Avg. wind
11 ☀️
Sunny Days
14 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Cape Town has OK weather in May.
Average temperature in Cape Town in May
Here are the expected maximum, average and minimum temperatures in Cape Town for May based on the historical data.
Last Year
Historical Data
The temperature in May is +68°F on average, with a range between a maximum of +91°F during the day and a minimum of +46°F at night.
The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +70°F to +64°F.
Is Cape Town warm or cold in May?
Cape Town is typically mild in May.
Maximum temperatures go up compared to the previous month from +70°F to +66°F. The minimum temperature also goes up from +59°F to +55°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Cape Town:
Climate in Cape Town in May
Cape Town weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+70°F
+66°F
+63°F
Min. temperature
+43°F
+43°F
+30°F
Max. temperature
+91°F
+91°F
+86°F
Rainfall
37 mm
63 mm
94 mm
Wind
4 m/s
3 m/s
3 m/s
Humidity
77%
79%
77%
Air pressure
1015 HPa
1016 HPa
1018 HPa
Sunny days
14
11
10
Cloudy days
13
14
12
Rainy days
3
6
8
Snowy days
0
0
0
May typically has worse weather conditions compared to April.It’s getting colder in May. From +70°F in the day, the average maximum temperature lowers to +66°F.Prepare for more rain. Average rainfall goes from 37 mm to 63 mm.Humidity rises from 77% to 79%.Winds are calmer in comparison to April, going down from 4 m/s to 3 m/s on average.The days becoming less sunny, going from 14 sunny days in April to 11 in May.
Wind speed in Cape Town in May based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Cape Town is gradually increasing during May, going from 4 m/s to 4 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Cape Town based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in May stands at 45%, leading to total precipitation of around 79 mm. The maximum amount of rainfall per day is around 13 mm, which is considered light rain.May is a pretty wet month with over 14 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Cape Town wettest month is June, where a typical day has a 27% chance of precipitation and 94 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 12 mm of rainfall per day.
How was the weather last May in Cape Town?
This is the weather in Cape Town in May 2023:
1 May
☀️
+70°F
2 May
☀️
+82°F
3 May
☀️
+73°F
4 May
☀️
+75°F
5 May
☀️
+70°F
6 May
🌧️
+61°F
7 May
☀️
+66°F
8 May
☀️
+69°F
9 May
☀️
+66°F
10 May
☀️
+65°F
11 May
☁️
+66°F
12 May
☁️
+66°F
13 May
☁️
+64°F
14 May
☀️
+67°F
15 May
☀️
+73°F
16 May
☀️
+91°F
17 May
☀️
+83°F
18 May
☀️
+71°F
19 May
☀️
+62°F
20 May
☀️
+62°F
21 May
☀️
+65°F
22 May
☀️
+67°F
23 May
☀️
+67°F
24 May
☁️
+63°F
25 May
☁️
+66°F
26 May
☀️
+66°F
27 May
☀️
+72°F
28 May
🌧️
+64°F
29 May
🌧️
+62°F
30 May
☀️
+64°F
31 May
☀️
+64°F
In May 2023 Cape Town had 23 sunny days, 5 cloudy days, and 3 rainy days. The average maximum temperature was +68°F, with an absolute maximum of +91°F and a minimum of +61°F. The average humidity was 77%, with a maximum of 100% and a minimum of 11%. The average wind speed was 3 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Cape Town climate has changed over the last 43 years.
The climate in Cape Town in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1993 (+66°F) and the highest in 2016 (+74°F). The driest year was 2004 with only 2 mm of rainfall, and the wettest year was 2021 with 176 mm.
FAQ
Frequently asked questions about the weather in Cape Town in May:
Is May a good time to visit Cape Town?
It’s always a good time to visit Cape Town, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Cape Town in May?
May has mild temperatures in Cape Town. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Cape Town rainy in May?
Cape Town is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Cape Town in May?
The amount of sunny days in Cape Town during May varies; prepare for a mix of clouds and sun.
Other cities in South Africa
Check out the weather for other cities in South Africa.
For this page, we’ve looked at the typical weather in Cape Town, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.