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
As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a cold 2.2°C (36°F) to a chilly 6.1°C (43°F). Grisslehamn maintains a consistent average nighttime low-temperature of 2.4°C (36.3°F) throughout April.Humidity
In April, the average relative humidity is 77%.Rainfall
April is the month with the least rainfall. Rain falls for 9.1 days and accumulates 15mm (0.59") of precipitation.Snowfall
January through May, October through December are months with snowfall in Grisslehamn. In Grisslehamn, in April, snow falls for 2.3 days, with typically accumulated 12mm (0.47") of snow. Throughout the year, there are 46.3 snowfall days, and 244mm (9.61") of snow is accumulated.Daylight
The average length of the day in April in Grisslehamn is 14h and 38min.On the first day of the month, sunrise is at 06:07 and sunset at 19:29. On the last day of April, in Grisslehamn, sunrise is at 04:42 and sunset at 20:41 CEST.
Sunshine
In April, the average sunshine is 8.5h.UV index
The average daily maximum UV index in April in Grisslehamn is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in April suggests the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
Is it cold in Grisslehamn during April?
What is the average humidity in April in Grisslehamn?
What is the driest month in Grisslehamn?
How much does it rain in Grisslehamn in April?
How much does it snow in Grisslehamn in April?
What is the average length of the day in April in Grisslehamn?
When is the sunrise / sunset in April in Grisslehamn?
How long on average sun shines in April in Grisslehamn?
What is the UV index reading in April in Grisslehamn?
Average temperature in April
Grisslehamn, Sweden
- Average high temperature in April: 6.1°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (0.1°C).
- Average low temperature in April: 2.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-2.5°C).
Average pressure in April
Grisslehamn, Sweden
- Average pressure in April: 1013.9mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.1mbar).
Average wind speed in April
Grisslehamn, Sweden
- Average wind speed in April: 18.2km/h
The windiest month (with the highest average wind speed) is December (24.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in April
Grisslehamn, Sweden
- Average humidity in April: 77%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in April
Grisslehamn, Sweden
- Average rainfall in April: 15mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in April
Grisslehamn, Sweden
- Average rainfall days in April: 9.1 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in April
Grisslehamn, Sweden
- Average snowfall in April: 12mm
The month with the highest snowfall is March (65mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Grisslehamn, Sweden
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grisslehamn, Sweden
- Average daylight in April: 14h and 4min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in April: 8h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in April
Grisslehamn, Sweden
- Average sunshine days in April: 16.3 days
The months with the most sunshine days are April and May (16.3 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in April
Grisslehamn, Sweden
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in April
Grisslehamn, Sweden
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Grisslehamn, Sweden
- Average visibility in April: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
Grisslehamn, Sweden
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