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 advent presents an average high-temperature of a still pleasant 21.8°C (71.2°F), indicating a slight variation from the conditions of the previous month. The significant decline in Piet Retief's temperature, from day to night, averages of 8.3°C (46.9°F) in May.Humidity
In May, the average relative humidity in Piet Retief is 66%.Rainfall
In Piet Retief, in May, it is raining for 4.9 days, with typically 7mm (0.28") of accumulated precipitation. In Piet Retief, during the entire year, the rain falls for 145.6 days and collects up to 538mm (21.18") of precipitation.Daylight
The average length of the day in May in Piet Retief, South Africa, is 10h and 47min.On the first day of the month, sunrise is at 06:21 and sunset at 17:25. On the last day of May, in Piet Retief, South Africa, sunrise is at 06:38 and sunset at 17:11 SAST.
Sunshine
The average sunshine in May in Piet Retief is 7.4h.UV index
The months with the lowest UV index in Piet Retief are April through July, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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 temperature in May in Piet Retief?
What is the average humidity in May in Piet Retief?
How much does it rain in Piet Retief in May?
How many hours of daylight does Piet Retief have in May?
When are sunrise and sunset in May in Piet Retief?
How long on average sun shines in May in Piet Retief?
What is the month with the lowest UV index in Piet Retief?
How high is the UV index in May in Piet Retief?
Average temperature in May
Piet Retief, South Africa
- Average high temperature in May: 21.8°C
The warmest month (with the highest average high temperature) is December (26.3°C).
The month with the lowest average high temperature is July (19.4°C).
- Average low temperature in May: 8.3°C
The months with the highest average low temperature are January and December (15.2°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).
Average pressure in May
Piet Retief, South Africa
- Average pressure in May: 1020.7mbar
The month with the highest atmospheric pressure is July (1024.3mbar).
The months with the lowest atmospheric pressure are January and December (1014.4mbar).
Average wind speed in May
Piet Retief, South Africa
- Average wind speed in May: 7.5km/h
The windiest months (with the highest average wind speed) are June and September (9.4km/h).
The calmest month (with the lowest average wind speed) is March (6.7km/h).
Average humidity in May
Piet Retief, South Africa
- Average humidity in May: 66%
The months with the highest relative humidity are January, February and March (82%).
The month with the lowest relative humidity is August (54%).
Average rainfall in May
Piet Retief, South Africa
- Average rainfall in May: 7mm
The wettest month (with the highest rainfall) is January (105mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in May
Piet Retief, South Africa
- Average rainfall days in May: 4.9 days
The month with the highest number of rainy days is January (23 days).
The month with the least rainy days is June (2.6 days).
Average daylight in May /
Average sunshine in May
Piet Retief, 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 30min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is October (Average sunshine: 9h and 30min).
The month with the least sunshine is April (Average sunshine: 6h and 36min).
Average sunshine days in May
Piet Retief, South Africa
- Average sunshine days in May: 24.4 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is January (5 days).
Average UV index in May
Piet Retief, South Africa
- Average UV index in May: 4
The month with the highest UV index is November (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 4).
Average cloud cover in May
Piet Retief, South Africa
- Average cloud cover in May: 19
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and July (Cloud cover 14).
Average visibility in May
Piet Retief, South Africa
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (7km).
