Contents
- 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
May
Weather in May
Temperature
May's weather records an average high-temperature of a pleasant 22.4°C (72.3°F), showing little deviation from April. In Rustenburg, a significant divergence from daytime highs is recorded, with average lows of 10.3°C (50.5°F) during May nights.Humidity
The average relative humidity in May is 48%.Rainfall
In Rustenburg, during May, the rain falls for 3.3 days and regularly aggregates up to 5mm (0.2") of precipitation. Throughout the year, there are 118.3 rainfall days, and 411mm (16.18") of precipitation is accumulated.Daylight
In Rustenburg, South Africa, the average length of the day in May is 10h and 52min.On the first day of May in Rustenburg, sunrise is at 06:34 and sunset at 17:41. On the last day of the month, sunrise is at 06:49 and sunset at 17:28 SAST.
Sunshine
In Rustenburg, the average sunshine in May is 7.6h.UV index
May through July, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during May translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Rustenburg?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Rustenburg have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Rustenburg have in May?
What is the month with the lowest UV index?
What is the UV index reading in May?
Average temperature in May
Rustenburg, South Africa
- Average high temperature in May: 22.4°C
The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is July (18.9°C).
- Average low temperature in May: 10.3°C
The months with the highest average low temperature are January and December (18°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).
Average pressure in May
Rustenburg, South Africa
- Average pressure in May: 1020.7mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in May
Rustenburg, South Africa
- Average wind speed in May: 7km/h
The windiest month (with the highest average wind speed) is October (10.6km/h).
The calmest months (with the lowest average wind speed) are March and May (7km/h).
Average humidity in May
Rustenburg, South Africa
- Average humidity in May: 48%
The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is September (32%).
Average rainfall in May
Rustenburg, South Africa
- Average rainfall in May: 5mm
The wettest month (with the highest rainfall) is December (95mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in May
Rustenburg, South Africa
- Average rainfall days in May: 3.3 days
The month with the highest number of rainy days is January (20.7 days).
The month with the least rainy days is August (1 days).
Average daylight in May /
Average sunshine in May
Rustenburg, 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 months with the least sunshine are June and August (Average sunshine: 7h and 30min).
Average sunshine days in May
Rustenburg, South Africa
- Average sunshine days in May: 27 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is January (6.6 days).
Average UV index in May
Rustenburg, 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
Rustenburg, South Africa
- Average cloud cover in May: 8
The months with the most cloud cover are January and December (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in May
Rustenburg, South Africa
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
