May weather forecastOlen, Belgium
May weather for Olen, Belgium: On the first day of May in Olen, Belgium, sunrise is at 06:12 and sunset at 21:03. In Olen, Belgium, during May, the rain falls for 17.5 days and regularly aggregates up to 41mm (1.61") of precipitation.
May
Weather in May
May, the last month of the spring in Olen, is a comfortable month, with an average temperature varying between 8.7°C (47.7°F) and 17.8°C (64°F).Temperature
On the advent of May, Olen's average high-temperature exhibits a minor adjustment to a still refreshing 17.8°C (64°F) from April's 15.5°C (59.9°F). The nighttime temperature in Olen dips to a chilly 8.7°C (47.7°F) on average during May.Humidity
In Olen, the average relative humidity in May is 77%.Rainfall
In Olen, in May, it is raining for 17.5 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 179.1 rainfall days, and 451mm (17.76") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 15h and 35min.On the first day of May, sunrise is at 06:12 and sunset at 21:03. On the last day of the month, sunrise is at 05:31 and sunset at 21:45 CEST.
Sunshine
The average sunshine in May is 8.4h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in May translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Olen, Belgium
- Average high temperature in May: 17.8°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in May: 8.7°C
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.4°C).
Average pressure in May
Olen, Belgium
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in May
Olen, Belgium
- Average wind speed in May: 12.4km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in May
Olen, Belgium
- Average humidity in May: 77%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April and August (74%).
Average rainfall in May
Olen, Belgium
- Average rainfall in May: 41mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in May
Olen, Belgium
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is July (17.6 days).
The months with the least rainy days are February and September (12.5 days).
Average snowfall in May
Olen, Belgium
- Average snowfall in May: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Olen, Belgium
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.4 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
Olen, Belgium
- Average daylight in May: 15h and 36min
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 24min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
Olen, Belgium
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in May
Olen, 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
Olen, Belgium
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in May
Olen, Belgium
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
