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
As April transitions into May, the average high-temperature rests at a refreshing 13.9°C (57°F), maintaining a close resemblance to the previous month. During the May nights, Haarlem's temperature maintains an average close to the daytime highs, settling at a cool 10°C (50°F).Humidity
The average relative humidity in May in Haarlem is 78%.Rainfall
In May, the rain falls for 11.9 days. Throughout May, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 169.2 rainfall days, and 339mm (13.35") of precipitation is accumulated.Snowfall
In Haarlem, snow does not fall in April through November.Daylight
The average length of the day in May is 15h and 46min.On the first day of the month, sunrise is at 06:09 and sunset at 21:07. On the last day of May, sunrise is at 05:25 and sunset at 21:52 CEST.
Sunshine
The average sunshine in May is 8.6h.UV index
In Haarlem, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Haarlem in May?
What is the average humidity in May in Haarlem?
How many days does it rain in May in Haarlem?
When it does not snow in Haarlem?
How many hours of daylight does Haarlem have in May?
What time are sunrise and sunset in May in Haarlem?
How long on average sun shines in May in Haarlem?
How high is the UV index in May in Haarlem?
Average temperature in May
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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
Haarlem, 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).
Haarlem, Netherlands
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