May weather forecastKatwijk, Netherlands

May

Weather in May

May, the last month of the spring in Katwijk, is a refreshing month, with an average temperature fluctuating between 17.4°C (63.3°F) and 8.6°C (47.5°F).

Temperature

The shift into May uncovers an average high-temperature of a comfortable 17.4°C (63.3°F), subtly different from the previous month. Katwijk experiences a mean temperature of 8.6°C (47.5°F) during May nights.

Humidity

The average relative humidity in May in Katwijk, Netherlands, is 77%.

Rainfall

In Katwijk, Netherlands, in May, during 15.8 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Katwijk, during the entire year, the rain falls for 174.3 days and collects up to 415mm (16.34") of precipitation.

Snowfall

April through October are months without snowfall in Katwijk, Netherlands.

Daylight

In May, the average length of the day in Katwijk is 15h and 40min.
On the first day of the month, sunrise is at 06:06 and sunset at 21:00. On the last day of May, in Katwijk, Netherlands, sunrise is at 05:23 and sunset at 21:44 CEST.

Sunshine

The average sunshine in May in Katwijk is 8.3h.

UV index

In Katwijk, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

In May, the average high-temperature and low-temperature are 17.4°C (63.3°F) and 8.6°C (47.5°F) respectively.

The average relative humidity in May in Katwijk, Netherlands, is 77%.

In Katwijk, Netherlands, in May, it is raining for 15.8 days, with typically 29mm (1.14") of accumulated precipitation.

April through October are months without snowfall.

In Katwijk, Netherlands, the average day length in May is 15h and 40min.

On the first day of May in Katwijk, sunrise is at 06:06 and sunset at 21:00. On the last day of the month, sunrise is at 05:23 and sunset at 21:44 CEST.

The average sunshine duration in May is 8.3h.

The average daily maximum UV index in May in Katwijk is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Katwijk, Netherlands

  • Average high temperature in May: 17.4°C

The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (4.7°C).

  • Average low temperature in May: 8.6°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1°C).

Average pressure in May
Katwijk, Netherlands

  • Average pressure in May: 1016.4mbar

The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).

Average wind speed in May
Katwijk, Netherlands

  • Average wind speed in May: 12.8km/h

The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

Average humidity in May
Katwijk, Netherlands

  • Average humidity in May: 77%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).

Average rainfall in May
Katwijk, Netherlands

  • Average rainfall in May: 29mm

The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in May
Katwijk, Netherlands

  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (11.6 days).

Average snowfall in May
Katwijk, Netherlands

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in May
Katwijk, Netherlands

  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (3.3 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
Katwijk, Netherlands

  • Average daylight in May: 15h and 42min

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 18min

The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

Average sunshine days in May
Katwijk, Netherlands

  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in May
Katwijk, 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
Katwijk, Netherlands

  • Average cloud cover in May: 44

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in May
Katwijk, Netherlands

  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).