May weather - Autumn 2024 - Pretoria, South Africa

Weather in May
Frequently asked questions
Average temperature in May
Average pressure in May
Average wind speed in May
Average humidity in May
Average rainfall in May
Average rainfall days in May
Average daylight in May
Average sunshine in May
Average sunshine days in May
Average UV index in May
Average cloud cover in May
Average visibility in May

The Union Buildings in Pretoria, South Africa

Weather in May

May is the point of departure from the warmth of summer, as weather conditions take a dip in Pretoria. The gradual descent of temperature that started in April continues, leading to cool evenings. A decrease in humidity becomes evident with dryer air, as the last month of autumn draws near its end. Despite the decrease in daylight hours, the amount of sunshine remains fairly consistent. May's weather transitions seamlessly into the much cooler June.

Temperature

May's beginning signals an average high-temperature of a pleasant 22.3°C (72.1°F), barely different from April's 24°C (75.2°F). May in Pretoria is noted for a mean low-temperature of 10.8°C (51.4°F).

Humidity

In Pretoria, South Africa, the average relative humidity in May is 48%.

Rainfall

In May, in Pretoria, the rain falls for 2.8 days. Throughout May, 4mm (0.16") of precipitation is accumulated. In Pretoria, during the entire year, the rain falls for 120.8 days and collects up to 421mm (16.57") of precipitation.

Daylight

In Pretoria, the average length of the day in May is 10h and 52min.
On the first day of the month, sunrise is at 06:30 and sunset at 17:37. On the last day of May, sunrise is at 06:45 and sunset at 17:24 SAST.

Sunshine

The average sunshine in May in Pretoria is 7.7h.

UV index

May through July, with an average maximum UV index of 4, are months with the lowest UV index in Pretoria. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In May, the maximum UV index of 4 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Boost your sun resistance with garments that are densely woven yet spacious.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Pretoria?

The average high-temperature and low-temperature in Pretoria during May are 22.3°C (72.1°F) and 10.8°C (51.4°F) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in March is computed to be 28°C (82.4°F).

What is the average humidity in May in Pretoria?

In May, the average relative humidity is 48%.

How much does it rain in Pretoria in May?

In May, in Pretoria, the rain falls for 2.8 days. Throughout May, 4mm (0.16") of precipitation is accumulated.

What is the average length of the day in May in Pretoria?

In May, the average day length in Pretoria, South Africa, is 10h and 52min.

What time are sunrise and sunset in May in Pretoria?

In May, on the first day of the month, sunrise is at 06:30 and sunset at 17:37. On the last day of the month, in Pretoria, South Africa, sunrise is at 06:45 and sunset at 17:24 SAST.

How many hours of sunshine does Pretoria have in May?

The average sunshine duration in May is 7.7h.

What is the month with the lowest UV index in Pretoria?

The months with the lowest UV index are May through July, with an average maximum UV index of 4.

What is the UV index intensity in May in Pretoria?

In Pretoria, South Africa, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

24°C 75.2°F

22.3°C 72.1°F

19.1°C 66.4°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.8km/h 5.5mph

8km/h 5mph

9km/h 5.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

26.8

28.3

Average UV index

Average cloud cover

20%

Average visibility

10km 6.2mi

Average temperature in May
Pretoria, South Africa

Average high temperature in May: 22.3°C

The warmest month (with the highest average high temperature) is January (28.7°C).
The month with the lowest average high temperature is June (19.1°C).

Average low temperature in May: 10.8°C

The months with the highest average low temperature are January and December (17.5°C).
The coldest month (with the lowest average low temperature) is July (6.9°C).

Average pressure in May
Pretoria, South Africa

Average pressure in May: 1021mbar

The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1013mbar).

Average wind speed in May
Pretoria, South Africa

Average wind speed in May: 7.3km/h

The windiest month (with the highest average wind speed) is November (11.1km/h).
The calmest month (with the lowest average wind speed) is May (7.3km/h).

Average humidity in May
Pretoria, South Africa

Average humidity in May: 48%

The months with the highest relative humidity are January and February (62%).
The month with the lowest relative humidity is September (35%).

Average rainfall in May
Pretoria, South Africa

Average rainfall in May: 4mm

The wettest month (with the highest rainfall) is January (92mm).
The driest month (with the least rainfall) is July (0mm).

Average rainfall days in May
Pretoria, South Africa

Average rainfall days in May: 2.8 days

The month with the highest number of rainy days is January (21.5 days).
The month with the least rainy days is July (1.1 days).

Average daylight in May /
Average sunshine in May
Pretoria, South Africa

Average daylight in May: 10h and 5min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

Average sunshine in May: 7h and 4min

The month with the most sunshine is October (Average sunshine: 11h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).

Average sunshine days in May
Pretoria, South Africa

Average sunshine days in May: 26.8 days

The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is December (6.5 days).

Average UV index in May
Pretoria, South Africa

Average UV index in May: 4

The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover in May
Pretoria, South Africa

Average cloud cover in May: 8

The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in May
Pretoria, South Africa

Average visibility in May: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

May weather forecast
Pretoria, South Africa

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