May weather forecast
Alphen aan den Rijn, Netherlands

englishespañol中文
Share

Weather in May

As we move into May, Alphen aan den Rijn's weather embodies the heart of spring featuring temperatures from 9.9°C (49.8°F) to 15.2°C (59.4°F). Despite a rise in rainfall registering 21mm (0.83") across 13.2 days, the increase in temperature, daylight and sunshine hours are indicative of a warmer season preparing to take center stage. A palpable shift occurs - mornings feel warmer, the sun appears more frequently, and the days elongate, solidifying May as a pivotal point in Alphen aan den Rijn's sunny season. The increased cloud coverage could be a telltale sign of the forthcoming summer rains.

Temperature

Alphen aan den Rijn's May reports an average high-temperature of a refreshing 15.2°C (59.4°F), exhibiting a minor difference from April. Alphen aan den Rijn experiences an average low-temperature of 9.9°C (49.8°F) in month of May.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Alphen aan den Rijn, during May, the rain falls for 13.2 days and regularly aggregates up to 21mm (0.83") of precipitation. In Alphen aan den Rijn, during the entire year, the rain falls for 183.4 days and collects up to 400mm (15.75") of precipitation.

Snowfall

In Alphen aan den Rijn, snow does not fall in April through October.

Daylight

In May, the average length of the day is 15h and 43min.
On the first day of May, sunrise is at 06:09 and sunset at 21:06. On the last day of the month, sunrise is at 05:26 and sunset at 21:51 CEST.

Sunshine

The average sunshine in May is 9h.

UV index

In Alphen aan den Rijn, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
[Resources]

Frequently asked questions

What are May temperatures in Alphen aan den Rijn?

The average high-temperature, in May, in Alphen aan den Rijn, is 15.2°C (59.4°F), while the average low-temperature is 9.9°C (49.8°F).

What is the average humidity in May in Alphen aan den Rijn?

In May, the average relative humidity in Alphen aan den Rijn is 76%.

How many days does it rain in May in Alphen aan den Rijn?

In Alphen aan den Rijn, in May, during 13.2 rainfall days, 21mm (0.83") of precipitation is typically accumulated.

When it does not snow in Alphen aan den Rijn?

In Alphen aan den Rijn, snow does not fall in April through October.

What is the average length of the day in May in Alphen aan den Rijn?

In Alphen aan den Rijn, Netherlands, the average day length in May is 15h and 43min.

When is the sunrise / sunset in May in Alphen aan den Rijn?

On the first day of May, sunrise is at 06:09 and sunset at 21:06. On the last day of the month, sunrise is at 05:26 and sunset at 21:51 CEST.

How long on average sun shines in May in Alphen aan den Rijn?

In Alphen aan den Rijn, the average sunshine duration in May is 9h.

How high is the UV index in May in Alphen aan den Rijn?

The average daily maximum UV index in May in Alphen aan den Rijn, Netherlands, is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Alphen aan den Rijn, Netherlands

Average temperature in May - Alphen aan den Rijn, Netherlands
  • Average high temperature in May: 15.2°C

The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in May: 9.9°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

[Resources]

Average pressure in May
Alphen aan den Rijn, Netherlands

Average pressure in May - Alphen aan den Rijn, Netherlands
  • Average pressure in May: 1016.6mbar

The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

[Resources]

Average wind speed in May
Alphen aan den Rijn, Netherlands

Average wind speed in May - Alphen aan den Rijn, Netherlands
  • Average wind speed in May: 16.8km/h

The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (16.1km/h).

[Resources]

Average humidity in May
Alphen aan den Rijn, Netherlands

Average humidity in May - Alphen aan den Rijn, Netherlands
  • Average humidity in May: 76%

The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and August (75%).

[Resources]

Average rainfall in May
Alphen aan den Rijn, Netherlands

Average rainfall in May - Alphen aan den Rijn, Netherlands
  • Average rainfall in May: 21mm

The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (14mm).

[Resources]

Average rainfall days in May
Alphen aan den Rijn, Netherlands

Average rainfall days in May - Alphen aan den Rijn, Netherlands
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is April (11.3 days).

[Resources]

Average snowfall in May
Alphen aan den Rijn, Netherlands

Average snowfall in May - Alphen aan den Rijn, Netherlands
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

[Resources]

Average snowfall days in May
Alphen aan den Rijn, Netherlands

Average snowfall days in May - Alphen aan den Rijn, Netherlands
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Alphen aan den Rijn, Netherlands

Average daylight in May / Average sunshine in May - Alphen aan den Rijn, Netherlands
  • Average daylight in May: 15h and 4min

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: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

[Resources]

Average sunshine days in May
Alphen aan den Rijn, Netherlands

Average sunshine days in May - Alphen aan den Rijn, Netherlands
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (8.1 days).

[Resources]

Average UV index in May
Alphen aan den Rijn, Netherlands

Average UV index in May - Alphen aan den Rijn, 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).

[Resources]

Average cloud cover in May
Alphen aan den Rijn, Netherlands

Average cloud cover in May - Alphen aan den Rijn, Netherlands
  • Average cloud cover in May: 41

The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 38).

[Resources]

Average visibility in May
Alphen aan den Rijn, Netherlands

Average visibility in May - Alphen aan den Rijn, Netherlands
  • Average visibility in May: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).

[Resources]

Alphen aan den Rijn, Netherlands

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location