April weather forecastKatwijk, Netherlands

April

Weather in April

April in Katwijk, Netherlands, is a mild spring month, with an average temperature varying between 14.8°C (58.6°F) and 6°C (42.8°F).

Temperature

With the onset of April, Katwijk observes a minor temperature ascent, with the average high-temperature adjusting from March's cool 10°C (50°F) to a moderate 14.8°C (58.6°F). Throughout April, Katwijk anticipates an average low-temperature of 6°C (42.8°F).

Humidity

April is the least humid month, with an average relative humidity of 74%.

Rainfall

April is the month with the least rainfall in Katwijk. Rain falls for 11.7 days and accumulates 19mm (0.75") of precipitation.

Snowfall

In Katwijk, snow does not fall in April through October.

Daylight

In Katwijk, the average length of the day in April is 13h and 55min.
On the first day of the month, sunrise is at 07:10 and sunset at 20:10. On the last day of April, in Katwijk, Netherlands, sunrise is at 06:08 and sunset at 20:59 CEST.

Sunshine

In April, the average sunshine in Katwijk, Netherlands, is 8.3h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In April, a daily UV index of 3 turns into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

The high-temperature, in April, in Katwijk, is 14.8°C (58.6°F), while the low-temperature averages to 6°C (42.8°F).

April is the least humid month, with an average relative humidity of 74%.

In Katwijk, Netherlands, the average relative humidity in April is 74%.

April is the month with the least rainfall in Katwijk, Netherlands. Rain falls for 11.7 days and accumulates 19mm (0.75") of precipitation.

In Katwijk, in April, it is raining for 11.7 days, with typically 19mm (0.75") of accumulated precipitation.

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

In April, it doesn't snow. March is the latest month when it typically snows.

In Katwijk, the average day length in April is 13h and 55min.

In April, on the first day of the month, sunrise is at 07:10 and sunset at 20:10. On the last day of the month, in Katwijk, Netherlands, sunrise is at 06:08 and sunset at 20:59 CEST.

The average sunshine duration in April in Katwijk is 8.3h.

The average daily maximum UV index in April in Katwijk is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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 April
Katwijk, Netherlands

  • Average high temperature in April: 14.8°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 April: 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 April
Katwijk, Netherlands

  • Average pressure in April: 1015.9mbar

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 April
Katwijk, Netherlands

  • Average wind speed in April: 12.9km/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 April
Katwijk, Netherlands

  • Average humidity in April: 74%

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

Average rainfall in April
Katwijk, Netherlands

  • Average rainfall in April: 19mm

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

Average rainfall days in April
Katwijk, Netherlands

  • Average rainfall days in April: 11.7 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 April
Katwijk, Netherlands

  • Average snowfall in April: 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 April
Katwijk, Netherlands

  • Average snowfall days in April: 0.1 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 April /
Average sunshine in April
Katwijk, Netherlands

  • Average daylight in April: 13h and 54min

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 April: 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 April
Katwijk, Netherlands

  • Average sunshine days in April: 16.3 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 April
Katwijk, Netherlands

  • Average UV index in April: 3

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 April
Katwijk, Netherlands

  • Average cloud cover in April: 42

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 April
Katwijk, Netherlands

  • Average visibility in April: 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).