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 snowfall in May
- Average snowfall 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
Weather in May
Temperature
May's beginning signals an average high-temperature of a still refreshing 17.5°C (63.5°F), barely different from April's 15.3°C (59.5°F). An average low-temperature of 8.3°C (46.9°F) is recorded during the nights in May in Rotselaar.Humidity
The average relative humidity in May is 78%.Rainfall
In May, the rain falls for 13.8 days. Throughout May, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 162 rainfall days, and 393mm (15.47") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Rotselaar.Daylight
The average length of the day in May is 15h and 34min.On the first day of the month, sunrise is at 06:13 and sunset at 21:03. On the last day of May, sunrise is at 05:32 and sunset at 21:45 CEST.
Sunshine
The average sunshine in May in Rotselaar is 8.4h.UV index
In Rotselaar, Belgium, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 during May translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are the temperatures in Rotselaar in May?
What is the average humidity in May in Rotselaar?
How much does it rain in Rotselaar in May?
When it does not snow in Rotselaar?
What is the average length of the day in May in Rotselaar?
When is the sunrise / sunset in May in Rotselaar?
How long on average sun shines in May in Rotselaar?
What is the UV index reading in May in Rotselaar?
Average temperature in May
Rotselaar, Belgium
- Average high temperature in May: 17.5°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in May: 8.3°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in May
Rotselaar, Belgium
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in May
Rotselaar, Belgium
- Average wind speed in May: 12.4km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in May
Rotselaar, Belgium
- Average humidity in May: 78%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Rotselaar, Belgium
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in May
Rotselaar, Belgium
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in May
Rotselaar, Belgium
- Average snowfall in May: 0mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Rotselaar, Belgium
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Rotselaar, Belgium
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
Rotselaar, Belgium
- Average sunshine days in May: 15.5 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in May
Rotselaar, Belgium
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Rotselaar, Belgium
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in May
Rotselaar, Belgium
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Rotselaar, Belgium
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