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
April
Weather in April
Temperature
Hellissandur, Iceland, records an average high-temperature of a still icy 4.5°C (40.1°F) as April arrives, nearly mirroring the previous month's climate. The nighttime temperature demonstrates a marginal decline, averaging at a still icy 2.3°C (36.1°F) during April.Humidity
In Hellissandur, the average relative humidity in April is 78%.Rainfall
In Hellissandur, during April, the rain falls for 16.6 days and regularly aggregates up to 65mm (2.56") of precipitation. Throughout the year, there are 184.8 rainfall days, and 827mm (32.56") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Hellissandur, during April, snow falls for 5.5 days and regularly aggregates up to 44mm (1.73") of snow. In Hellissandur, during the entire year, snow falls for 46.9 days and aggregates up to 421mm (16.57") of snow.Daylight
In Hellissandur, the average length of the day in April is 15h and 16min.On the first day of the month, sunrise is at 06:49 and sunset at 20:29. On the last day of April, sunrise is at 05:02 and sunset at 22:02 GMT.
Sunshine
In April, the average sunshine in Hellissandur is 5.3h.UV index
In April, the average daily maximum UV index in Hellissandur is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 2 in April leads to these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Hellissandur in April?
What is the average humidity in April in Hellissandur?
How much does it rain in Hellissandur in April?
How much does it snow in Hellissandur in April?
What is the average length of the day in April in Hellissandur?
When is the sunrise / sunset in April in Hellissandur?
How long on average sun shines in April in Hellissandur?
What is the UV index intensity in April in Hellissandur?
Average temperature in April
Hellissandur, Iceland
- Average high temperature in April: 4.5°C
The warmest month (with the highest average high temperature) is August (11.3°C).
The month with the lowest average high temperature is March (3.3°C).
- Average low temperature in April: 2.3°C
The months with the highest average low temperature are July and August (9.3°C).
The coldest month (with the lowest average low temperature) is March (0.8°C).
Average pressure in April
Hellissandur, Iceland
- Average pressure in April: 1008.6mbar
The month with the highest atmospheric pressure is June (1014.1mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in April
Hellissandur, Iceland
- Average wind speed in April: 29.3km/h
The windiest month (with the highest average wind speed) is February (36.4km/h).
The calmest month (with the lowest average wind speed) is June (19.4km/h).
Average humidity in April
Hellissandur, Iceland
- Average humidity in April: 78%
The months with the highest relative humidity are June and July (82%).
The months with the lowest relative humidity are March and December (75%).
Average rainfall in April
Hellissandur, Iceland
- Average rainfall in April: 65mm
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is June (37mm).
Average rainfall days in April
Hellissandur, Iceland
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is February (12.2 days).
Average snowfall in April
Hellissandur, Iceland
- Average snowfall in April: 44mm
The month with the highest snowfall is March (99mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in April
Hellissandur, Iceland
- Average snowfall days in April: 5.5 days
The month with the highest number of snowfall days is March (9.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Hellissandur, Iceland
- Average daylight in April: 15h and 2min
The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- 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 June (Average sunshine: 0h and 54min).
Average sunshine days in April
Hellissandur, Iceland
- Average sunshine days in April: 7.6 days
The month with the most sunshine days is July (14.2 days).
The month with the least sunshine days is January (4.7 days).
Average UV index in April
Hellissandur, Iceland
- Average UV index in April: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in April
Hellissandur, Iceland
- Average cloud cover in April: 70
The month with the most cloud cover is March (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 56).
Average visibility in April
Hellissandur, Iceland
- Average visibility in April: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (8km).
