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
Upon the onset of May, Groenvlei witnesses an average high-temperature of a still agreeable 21.3°C (70.3°F), showing a close resemblance to the prior month. In May, Groenvlei experiences a significant drop from daily zeniths to an average nighttime temperature of 8.3°C (46.9°F).Humidity
In May, the average relative humidity in Groenvlei, South Africa, is 57%.Rainfall
In May, the rain falls for 4.7 days. Throughout May, 8mm (0.31") of precipitation is accumulated. In Groenvlei, during the entire year, the rain falls for 148.2 days and collects up to 490mm (19.29") of precipitation.Daylight
In Groenvlei, the average length of the day in May is 10h and 46min.On the first day of May, sunrise is at 06:24 and sunset at 17:27. On the last day of the month, sunrise is at 06:41 and sunset at 17:12 SAST.
Sunshine
In May, the average sunshine is 7.5h.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 health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Groenvlei?
What is the average humidity in May in Groenvlei?
How many days does it rain in May in Groenvlei?
What is the average length of the day in May in Groenvlei?
When is the sunrise / sunset in May in Groenvlei?
How many hours of sunshine does Groenvlei have in May?
When is the lowest UV index in Groenvlei?
What is the UV index reading in May in Groenvlei?
Average temperature in May
Groenvlei, South Africa
- Average high temperature in May: 21.3°C
The warmest month (with the highest average high temperature) is December (27.2°C).
The month with the lowest average high temperature is June (18.5°C).
- Average low temperature in May: 8.3°C
The month with the highest average low temperature is December (14.9°C).
The coldest month (with the lowest average low temperature) is July (5.3°C).
Average pressure in May
Groenvlei, South Africa
- Average pressure in May: 1021.2mbar
The month with the highest atmospheric pressure is July (1024.5mbar).
The month with the lowest atmospheric pressure is December (1014.8mbar).
Average wind speed in May
Groenvlei, South Africa
- Average wind speed in May: 7.9km/h
The windiest month (with the highest average wind speed) is September (10.3km/h).
The calmest month (with the lowest average wind speed) is March (7.1km/h).
Average humidity in May
Groenvlei, South Africa
- Average humidity in May: 57%
The month with the highest relative humidity is February (75%).
The month with the lowest relative humidity is August (44%).
Average rainfall in May
Groenvlei, South Africa
- Average rainfall in May: 8mm
The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in May
Groenvlei, South Africa
- Average rainfall days in May: 4.7 days
The month with the highest number of rainy days is December (23.7 days).
The month with the least rainy days is July (2.3 days).
Average daylight in May /
Average sunshine in May
Groenvlei, South Africa
- Average daylight in May: 10h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in May: 7h and 3min
The months with the most sunshine are October and November (Average sunshine: 11h and 12min).
The month with the least sunshine is April (Average sunshine: 7h and 6min).
Average sunshine days in May
Groenvlei, South Africa
- Average sunshine days in May: 23.8 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is December (3.4 days).
Average UV index in May
Groenvlei, South Africa
- Average UV index in May: 4
The months with the highest UV index are January, 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
Groenvlei, South Africa
- Average cloud cover in May: 13
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 9).
Average visibility in May
Groenvlei, South Africa
- Average visibility in May: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February and March (8km).
