Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Observing a minor shift, the average high-temperature during April adjusts from March's frosty 8.7°C (47.7°F) to a moderate 13.2°C (55.8°F). Altena experiences an average low-temperature of 5.7°C (42.3°F) in the month of April.Humidity
April is the least humid month in Altena, with an average relative humidity of 77%.Rainfall
April is the month with the least rainfall in Altena, Netherlands. Rain falls for 11.9 days and accumulates 17mm (0.67") of precipitation.Snowfall
April through October are months without snowfall in Altena.Daylight
In Altena, Netherlands, the average length of the day in April is 14h and 1min.On the first day of the month, sunrise is at 07:06 and sunset at 20:09. On the last day of April, sunrise is at 06:01 and sunset at 21:01 CEST.
Sunshine
In April, the average sunshine is 8.4h.UV index
In April, the average daily maximum UV index in Altena is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 3 during April translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the temperature in April in Altena?
What is the least humid month in Altena?
What is the average humidity in April in Altena?
What is the driest month in Altena?
How many days does it rain in April in Altena?
When it does not snow in Altena?
Does it snow in Altena in April?
What is the average length of the day in April in Altena?
What time are sunrise and sunset in April in Altena?
How long on average sun shines in April in Altena?
How high is the UV index in April in Altena?
Average temperature in April
Altena, Netherlands
- Average high temperature in April: 13.2°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in April: 5.7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure in April
Altena, Netherlands
- Average pressure in April: 1016mbar
The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in April
Altena, Netherlands
- Average wind speed in April: 15.6km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in April
Altena, Netherlands
- Average humidity in April: 77%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in April
Altena, Netherlands
- Average rainfall in April: 17mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in April
Altena, Netherlands
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in April
Altena, Netherlands
- Average snowfall in April: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Altena, Netherlands
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (4.8 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
Altena, Netherlands
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in April
Altena, Netherlands
- Average sunshine days in April: 14.8 days
The months with the most sunshine days are March and April (14.8 days).
The month with the least sunshine days is December (9 days).
Average UV index in April
Altena, Netherlands
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Altena, Netherlands
- Average cloud cover in April: 41
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in April
Altena, Netherlands
- Average visibility in April: 10km
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January, February, March, May, June, July, September, October, November and December (9km).
Altena, Netherlands
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