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
May
Weather in May
Temperature
The onset of May brings with it an average high-temperature of a moderate 13.9°C (57°F), showing a negligible variation from the month before. Heemskerk records a slight downturn to an average a cool 10°C (50°F) during the nights of May.Humidity
In Heemskerk, the average relative humidity in May is 78%.Rainfall
In Heemskerk, in May, it is raining for 11.9 days, with typically 19mm (0.75") of accumulated precipitation. In Heemskerk, during the entire year, the rain falls for 169.2 days and collects up to 339mm (13.35") of precipitation.Snowfall
In Heemskerk, snow does not fall in April through November.Daylight
The average length of the day in May in Heemskerk is 15h and 47min.On the first day of May, sunrise is at 06:08 and sunset at 21:08. On the last day of the month, sunrise is at 05:24 and sunset at 21:53 CEST.
Sunshine
In Heemskerk, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Heemskerk is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, an average UV index of 4 transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. 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
What are the temperatures in Heemskerk in May?
What is the average humidity in May in Heemskerk?
How much does it rain in Heemskerk in May?
When it does not snow in Heemskerk?
What is the average length of the day in May in Heemskerk?
When are sunrise and sunset in May in Heemskerk?
How many hours of sunshine does Heemskerk have in May?
What is the UV index reading in May in Heemskerk?
Average temperature in May
Heemskerk, Netherlands
- Average high temperature in May: 13.9°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The months with the lowest average high temperature are January and February (5.8°C).
- Average low temperature in May: 10°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in May
Heemskerk, Netherlands
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in May
Heemskerk, Netherlands
- Average wind speed in May: 18.7km/h
The windiest month (with the highest average wind speed) is December (28.4km/h).
The calmest month (with the lowest average wind speed) is July (18km/h).
Average humidity in May
Heemskerk, Netherlands
- Average humidity in May: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in May
Heemskerk, Netherlands
- Average rainfall in May: 19mm
The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in May
Heemskerk, Netherlands
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is April (10.6 days).
Average snowfall in May
Heemskerk, Netherlands
- Average snowfall in May: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Heemskerk, Netherlands
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Heemskerk, Netherlands
- Average daylight in May: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in May
Heemskerk, Netherlands
- Average sunshine days in May: 16.2 days
The month with the most sunshine days is April (17.7 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in May
Heemskerk, 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
Heemskerk, Netherlands
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Heemskerk, Netherlands
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (10km).
The month with the lowest visibility is December (9km).
