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
The weather in Rotterdam during May records an average high-temperature of a comfortable 16.8°C, closely mirroring the preceding month. Rotterdam, during May, witnesses an average low-temperature of 9.5°C.Humidity
The average relative humidity in May is 75%.Rainfall
In May, the rain falls for 11.9 days. Throughout May, 13mm of precipitation is accumulated. In Rotterdam, during the entire year, the rain falls for 130.3 days and collects up to 205mm of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 15h and 41min.On the first day of May in Rotterdam, sunrise is at 06:12 and sunset at 21:05. On the last day of the month, sunrise is at 05:29 and sunset at 21:50 CEST.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index in Rotterdam is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 4 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
FAQ
What are the temperatures in Rotterdam in May?
What is the average humidity in May in Rotterdam?
How much does it rain in Rotterdam in May?
When it does not snow in Rotterdam?
How many hours of daylight does Rotterdam have in May?
When is the sunrise / sunset in May in Rotterdam?
How long on average sun shines in May in Rotterdam?
What is the UV index reading in May in Rotterdam?
Average temperature in May
Rotterdam, Netherlands
- Average high temperature in May: 16.8°C
The warmest months (with the highest average high temperature) are July and August (22°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in May: 9.5°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in May
Rotterdam, 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
Rotterdam, Netherlands
- Average wind speed in May: 14.5km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).
Average humidity in May
Rotterdam, Netherlands
- Average humidity in May: 75%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Rotterdam, Netherlands
- Average rainfall in May: 13mm
The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in May
Rotterdam, Netherlands
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in May
Rotterdam, 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
Rotterdam, Netherlands
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.2 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
Rotterdam, 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: 8h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in May
Rotterdam, Netherlands
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in May
Rotterdam, 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
Rotterdam, Netherlands
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in May
Rotterdam, Netherlands
- Average visibility in May: 10km
The months with the highest visibility are April, May, June and August (10km).
The months with the lowest visibility are January, February, March, July, September, October, November and December (9km).
Rotterdam, Netherlands
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