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
The transition from April to May sees an average high-temperature of a still moderately hot 25.3°C (77.5°F), indicating a minor variance from the prior month. An average nighttime temperature of 13.8°C (56.8°F) is observed in Casteel, South Africa, during May.Humidity
The average relative humidity in May in Casteel is 63%.Rainfall
In May, the rain falls for 5.8 days. Throughout May, 9mm (0.35") of precipitation is accumulated. Throughout the year, there are 145.7 rainfall days, and 558mm (21.97") of precipitation is accumulated.Daylight
The average length of the day in May is 10h and 55min.On the first day of the month, sunrise is at 06:18 and sunset at 17:27. On the last day of May, in Casteel, sunrise is at 06:32 and sunset at 17:14 SAST.
Sunshine
The average sunshine in May is 7.3h.UV index
The months with the lowest UV index in Casteel are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Casteel?
What is the average humidity in May in Casteel?
How much does it rain in Casteel in May?
How many hours of daylight does Casteel have in May?
When are sunrise and sunset in May in Casteel?
How long on average sun shines in May in Casteel?
When is the lowest UV index in Casteel?
How high is the UV index in May in Casteel?
Average temperature in May
Casteel, South Africa
- Average high temperature in May: 25.3°C
The warmest months (with the highest average high temperature) are February and December (29.2°C).
The month with the lowest average high temperature is July (22.8°C).
- Average low temperature in May: 13.8°C
The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (11.2°C).
Average pressure in May
Casteel, South Africa
- Average pressure in May: 1020.3mbar
The month with the highest atmospheric pressure is July (1024mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).
Average wind speed in May
Casteel, South Africa
- Average wind speed in May: 7.4km/h
The windiest month (with the highest average wind speed) is October (10.4km/h).
The calmest month (with the lowest average wind speed) is May (7.4km/h).
Average humidity in May
Casteel, South Africa
- Average humidity in May: 63%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall in May
Casteel, South Africa
- Average rainfall in May: 9mm
The wettest month (with the highest rainfall) is December (116mm).
The driest months (with the least rainfall) are June and July (3mm).
Average rainfall days in May
Casteel, South Africa
- Average rainfall days in May: 5.8 days
The month with the highest number of rainy days is January (20.9 days).
The month with the least rainy days is June (2.3 days).
Average daylight in May /
Average sunshine in May
Casteel, South Africa
- Average daylight in May: 10h and 5min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).
Average sunshine days in May
Casteel, South Africa
- Average sunshine days in May: 22.3 days
The month with the most sunshine days is June (26.3 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in May
Casteel, South Africa
- Average UV index in May: 5
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in May
Casteel, South Africa
- Average cloud cover in May: 18
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in May
Casteel, South Africa
- Average visibility in May: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
