May weather forecastSumar, Netherlands
May
Weather in May
May, the last month of the spring in Sumar, is another mild month, with temperature in the range of an average high of 15.8°C (60.4°F) and an average low of 8.2°C (46.8°F).Temperature
The arrival of May marks a slight shift to an average high-temperature of a still moderate 15.8°C (60.4°F) from April's 13.3°C (55.9°F). An average minimum temperature of 8.2°C (46.8°F) is recorded in Sumar during the month of May.Humidity
In May, the average relative humidity in Sumar is 79%.Rainfall
In Sumar, Netherlands, during May, the rain falls for 16.3 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 193.8 rainfall days, and 494mm (19.45") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Sumar, the average length of the day in May is 15h and 53min.On the first day of the month, sunrise is at 06:00 and sunset at 21:05. On the last day of May, sunrise is at 05:15 and sunset at 21:51 CEST.
Sunshine
In May, the average sunshine is 8.4h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sumar, Netherlands
- Average high temperature in May: 15.8°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in May: 8.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in May
Sumar, Netherlands
- Average pressure in May: 1016.4mbar
The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in May
Sumar, Netherlands
- Average wind speed in May: 15.6km/h
The windiest month (with the highest average wind speed) is December (21.7km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).
Average humidity in May
Sumar, Netherlands
- Average humidity in May: 79%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (78%).
Average rainfall in May
Sumar, Netherlands
- Average rainfall in May: 35mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in May
Sumar, Netherlands
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is April (13.8 days).
Average snowfall in May
Sumar, Netherlands
- Average snowfall in May: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Sumar, Netherlands
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.8 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
Sumar, Netherlands
- Average daylight in May: 15h and 54min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in May
Sumar, Netherlands
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in May
Sumar, Netherlands
- Average UV index in May: 4
The month with the highest UV index is 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
Sumar, Netherlands
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in May
Sumar, 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).





