May weather forecastHeron, Belgium
May
Weather in May
The last month of the spring, May, is a comfortable month in Heron, Belgium, with an average temperature varying between 16.8°C (62.2°F) and 6.9°C (44.4°F).Temperature
The advent of May denotes an average high-temperature of an enjoyable 16.8°C (62.2°F), subtly different from April's 14.3°C (57.7°F). Heron's temperature in May lowers to a consistent average of 6.9°C (44.4°F) during the nights.Humidity
The average relative humidity in May in Heron is 81%.Rainfall
In Heron, during May, the rain falls for 16.8 days and regularly aggregates up to 47mm (1.85") of precipitation. In Heron, during the entire year, the rain falls for 179.6 days and collects up to 508mm (20") of precipitation.Snowfall
April through October are months without snowfall in Heron.Daylight
In May, the average length of the day in Heron is 15h and 31min.On the first day of the month, sunrise is at 06:13 and sunset at 21:00. On the last day of May, in Heron, sunrise is at 05:32 and sunset at 21:41 CEST.
Sunshine
In Heron, the average sunshine in May is 8h.UV index
The average daily maximum UV index in May in Heron is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Heron, Belgium
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in May: 6.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in May
Heron, Belgium
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in May
Heron, Belgium
- Average wind speed in May: 12.1km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in May
Heron, Belgium
- Average humidity in May: 81%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Heron, Belgium
- Average rainfall in May: 47mm
The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in May
Heron, Belgium
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (12 days).
Average snowfall in May
Heron, Belgium
- Average snowfall in May: 0mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Heron, Belgium
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.5 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
Heron, Belgium
- Average daylight in May: 15h and 30min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in May
Heron, Belgium
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in May
Heron, 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
Heron, Belgium
- Average cloud cover in May: 48
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in May
Heron, Belgium
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August and October (9km).
The months with the lowest visibility are January, September, November and December (8km).
