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 transition from April to May brings an average high-temperature of a moderate 15.2°C (59.4°F), barely different from April's 12.7°C (54.9°F). An average nighttime temperature of 10°C (50°F) is recorded in Heenvliet, Netherlands, during May.Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 12.3 days. Throughout May, 20mm (0.79") of precipitation is accumulated. In Heenvliet, Netherlands, during the entire year, the rain falls for 167.9 days and collects up to 321mm (12.64") of precipitation.Snowfall
In Heenvliet, snow does not fall in April through October.Daylight
In May, the average length of the day is 15h and 41min.On the first day of the month, sunrise is at 06:12 and sunset at 21:07. On the last day of May, in Heenvliet, sunrise is at 05:29 and sunset at 21:51 CEST.
Sunshine
In May, the average sunshine in Heenvliet, Netherlands, is 9h.UV index
The average daily maximum UV index in May in Heenvliet is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a daily UV index of 4 turns into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Heenvliet in May?
What is the average humidity in May in Heenvliet?
How much does it rain in Heenvliet in May?
When it does not snow in Heenvliet?
How many hours of daylight does Heenvliet have in May?
What time are sunrise and sunset in May in Heenvliet?
How many hours of sunshine does Heenvliet have in May?
How high is the UV index in May in Heenvliet?
Average temperature in May
Heenvliet, Netherlands
- Average high temperature in May: 15.2°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in May: 10°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).
Average pressure in May
Heenvliet, Netherlands
- Average pressure in May: 1016.6mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in May
Heenvliet, Netherlands
- Average wind speed in May: 16.8km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in May
Heenvliet, Netherlands
- Average humidity in May: 77%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Heenvliet, Netherlands
- Average rainfall in May: 20mm
The wettest month (with the highest rainfall) is August (43mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in May
Heenvliet, Netherlands
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is October (17 days).
The month with the least rainy days is April (9.6 days).
Average snowfall in May
Heenvliet, Netherlands
- Average snowfall in May: 0mm
The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Heenvliet, Netherlands
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.9 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
Heenvliet, Netherlands
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in May
Heenvliet, Netherlands
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is April (17.8 days).
The months with the least sunshine days are November and December (9.7 days).
Average UV index in May
Heenvliet, 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
Heenvliet, Netherlands
- Average cloud cover in May: 41
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Heenvliet, Netherlands
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
