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
Hei's shift into May sets the average high-temperature at a comfortable 17.6°C (63.7°F), a figure that deviates only slightly from April's 15°C (59°F). During May nights, Hei witnesses a consistent average temperature of 8.8°C (47.8°F).Humidity
The average relative humidity in May in Hei is 77%.Rainfall
In Hei, in May, it is raining for 13.3 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 140.7 rainfall days, and 236mm (9.29") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May in Hei is 15h and 36min.On the first day of May, sunrise is at 06:07 and sunset at 20:58. On the last day of the month, sunrise is at 05:25 and sunset at 21:41 CEST.
Sunshine
The average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are May temperatures in Hei?
What is the average humidity in May in Hei?
How much does it rain in Hei in May?
When it does not snow in Hei?
What is the average length of the day in May in Hei?
When is the sunrise / sunset in May in Hei?
How many hours of sunshine does Hei have in May?
How high is the UV index in May in Hei?
Average temperature in May
Hei, Netherlands
- Average high temperature in May: 17.6°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 (4.8°C).
- Average low temperature in May: 8.8°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in May
Hei, Netherlands
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in May
Hei, Netherlands
- Average wind speed in May: 12.3km/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 (11.3km/h).
Average humidity in May
Hei, Netherlands
- Average humidity in May: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Hei, Netherlands
- Average rainfall in May: 22mm
The wettest month (with the highest rainfall) is December (25mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in May
Hei, Netherlands
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in May
Hei, Netherlands
- Average snowfall in May: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Hei, Netherlands
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.2 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
Hei, Netherlands
- 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 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in May
Hei, Netherlands
- Average sunshine days in May: 14 days
The month with the most sunshine days is April (17.2 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in May
Hei, Netherlands
- 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
Hei, Netherlands
- Average cloud cover in May: 44
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Hei, Netherlands
- 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).
Hei, Netherlands
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