May weather forecastHeppen, Belgium
May
Weather in May
The last month of the spring, May, is an enjoyable month in Heppen, Belgium, with an average temperature ranging between max 17.8°C (64°F) and min 8.5°C (47.3°F).Temperature
The average high-temperature in May, at a still refreshing 17.8°C (64°F), reveals a modest deviation from April's 15.4°C (59.7°F). Heppen's nighttime temperature during May is consistently averaged at a frosty 8.5°C (47.3°F).Humidity
In Heppen, the average relative humidity in May is 77%.Rainfall
In Heppen, in May, during 16.3 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Heppen, during the entire year, the rain falls for 172.9 days and collects up to 469mm (18.46") of precipitation.Snowfall
In Heppen, snow does not fall in April through October.Daylight
In Heppen, the average length of the day in May is 15h and 35min.On the first day of the month, sunrise is at 06:10 and sunset at 21:01. On the last day of May, in Heppen, sunrise is at 05:29 and sunset at 21:44 CEST.
Sunshine
In May, the average sunshine in Heppen is 8.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 in May translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Heppen, Belgium
- Average high temperature in May: 17.8°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in May: 8.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in May
Heppen, 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 (1012.6mbar).
Average wind speed in May
Heppen, Belgium
- Average wind speed in May: 12.1km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in May
Heppen, Belgium
- Average humidity in May: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Heppen, Belgium
- Average rainfall in May: 41mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in May
Heppen, Belgium
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in May
Heppen, Belgium
- Average snowfall in May: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Heppen, Belgium
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.7 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
Heppen, 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 12min
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 42min).
Average sunshine days in May
Heppen, Belgium
- Average sunshine days in May: 12 days
The months with the most sunshine days are March and April (16.6 days).
The months with the least sunshine days are June and July (9.8 days).
Average UV index in May
Heppen, 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
Heppen, Belgium
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in May
Heppen, 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).
