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
With the onset of April, Selfoss's average high-temperature clocks in at a still wintry 5.5°C (41.9°F), showing a minor fluctuation from the previous month. An average temperature of 1.8°C (35.2°F) is logged during the nights of April, a small step down from daytime highs.Humidity
In Selfoss, the average relative humidity in April is 77%.Rainfall
In Selfoss, in April, it is raining for 19.9 days, with typically 100mm (3.94") of accumulated precipitation. Throughout the year, there are 208.7 rainfall days, and 1105mm (43.5") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Selfoss, during April, snow falls for 5.1 days and regularly aggregates up to 47mm (1.85") of snow. In Selfoss, during the entire year, snow falls for 61.9 days and aggregates up to 825mm (32.48") of snow.Daylight
In Selfoss, the average length of the day in April is 15h and 7min.On the first day of the month, sunrise is at 06:39 and sunset at 20:15. On the last day of April, in Selfoss, sunrise is at 04:58 and sunset at 21:44 GMT.
Sunshine
In Selfoss, the average sunshine in April is 5.3h.UV index
The average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during April leads to these advisories:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during April?
What is the average humidity in April in Selfoss?
How many days does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April in Selfoss?
What is the UV index intensity in April?
Average temperature in April
Selfoss, Iceland
- Average high temperature in April: 5.5°C
The warmest month (with the highest average high temperature) is July (13.8°C).
The month with the lowest average high temperature is December (1.5°C).
- Average low temperature in April: 1.8°C
The month with the highest average low temperature is July (8.9°C).
The coldest month (with the lowest average low temperature) is December (-1.9°C).
Average pressure in April
Selfoss, Iceland
- Average pressure in April: 1009mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.8mbar).
Average wind speed in April
Selfoss, Iceland
- Average wind speed in April: 22.5km/h
The windiest month (with the highest average wind speed) is February (24.8km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).
Average humidity in April
Selfoss, Iceland
- Average humidity in April: 77%
The months with the highest relative humidity are January and September (82%).
The month with the lowest relative humidity is May (74%).
Average rainfall in April
Selfoss, Iceland
- Average rainfall in April: 100mm
The wettest month (with the highest rainfall) is January (142mm).
The driest month (with the least rainfall) is June (45mm).
Average rainfall days in April
Selfoss, Iceland
- Average rainfall days in April: 19.9 days
The month with the highest number of rainy days is April (19.9 days).
The month with the least rainy days is December (14.3 days).
Average snowfall in April
Selfoss, Iceland
- Average snowfall in April: 47mm
The month with the highest snowfall is March (220mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Selfoss, Iceland
- Average snowfall days in April: 5.1 days
The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Selfoss, Iceland
- Average daylight in April: 15h and 1min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in April: 5h and 2min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in April
Selfoss, Iceland
- Average sunshine days in April: 6.9 days
The month with the most sunshine days is June (12.3 days).
The month with the least sunshine days is January (5.5 days).
Average UV index in April
Selfoss, Iceland
- Average UV index in April: 2
The month with the highest UV index is July (UV index 4).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Selfoss, Iceland
- Average cloud cover in April: 66
The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are May and August (Cloud cover 59).
Average visibility in April
Selfoss, Iceland
- Average visibility in April: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (8km).
Selfoss, Iceland
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