May weather forecastAlle, Belgium
May weather for Alle, Belgium: May, the last month of the spring in Alle, is a comfortable month, with an average temperature fluctuating between 6.9°C (44.4°F) and 16.7°C (62.1°F). On the last day of May, in Alle, sunrise is at 05:36 and sunset at 21:38 CEST.
May
Weather in May
May, the last month of the spring in Alle, is a comfortable month, with an average temperature fluctuating between 6.9°C (44.4°F) and 16.7°C (62.1°F).Temperature
With May's arrival, Alle's weather records an average high-temperature of a still refreshing 16.7°C (62.1°F), marking little difference from April's 14.2°C (57.6°F). May nights in Alle observe an average temperature dip to a chilly 6.9°C (44.4°F).Humidity
In Alle, Belgium, the average relative humidity in May is 83%.Rainfall
In Alle, in May, it is raining for 18 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, there are 190.4 rainfall days, and 641mm (25.24") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Alle, the average length of the day in May is 15h and 25min.On the first day of the month, sunrise is at 06:15 and sunset at 20:58. On the last day of May, in Alle, sunrise is at 05:36 and sunset at 21:38 CEST.
Sunshine
In Alle, the average sunshine in May is 8.2h.UV index
The average daily maximum UV index in May in Alle is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 in May translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Alle, Belgium
- Average high temperature in May: 16.7°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in May: 6.9°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in May
Alle, Belgium
- Average pressure in May: 1016.3mbar
The months with the highest atmospheric pressure are September and December (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in May
Alle, Belgium
- Average wind speed in May: 11.4km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in May
Alle, Belgium
- Average humidity in May: 83%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is August (78%).
Average rainfall in May
Alle, Belgium
- Average rainfall in May: 51mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in May
Alle, Belgium
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is December (18.4 days).
The month with the least rainy days is February (13 days).
Average snowfall in May
Alle, Belgium
- Average snowfall in May: 0mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Alle, Belgium
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Alle, Belgium
- Average daylight in May: 15h and 24min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in May
Alle, Belgium
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in May
Alle, Belgium
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Alle, Belgium
- Average cloud cover in May: 47
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in May
Alle, Belgium
- Average visibility in May: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
