April weather forecastHafnir, Iceland
April
Weather in April
April, like March, in Hafnir, Iceland, is a wintry spring month, with an average temperature ranging between max 5.7°C (42.3°F) and min 3°C (37.4°F).Temperature
April welcomes an average high-temperature of a still cold 5.7°C (42.3°F), not much different from the preceding month. April nights in Hafnir witness a mild cool down to an average low of 3°C (37.4°F).Humidity
The average relative humidity in April in Hafnir is 77%.Rainfall
In Hafnir, during April, the rain falls for 19.3 days and regularly aggregates up to 70mm (2.76") of precipitation. In Hafnir, during the entire year, the rain falls for 193.9 days and collects up to 833mm (32.8") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Hafnir, in April, during 3.8 snowfall days, 36mm (1.42") of snow is typically accumulated. In Hafnir, during the entire year, snow falls for 33.4 days and aggregates up to 297mm (11.69") of snow.Daylight
In Hafnir, the average length of the day in April is 15h and 7min.On the first day of the month, sunrise is at 06:46 and sunset at 20:22. On the last day of April, in Hafnir, Iceland, sunrise is at 05:05 and sunset at 21:50 GMT.
Sunshine
In April, the average sunshine is 5.4h.UV index
The months with the lowest UV index in Hafnir are January through May, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in April leads to these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hafnir, Iceland
- Average high temperature in April: 5.7°C
The warmest months (with the highest average high temperature) are July and August (12.2°C).
The months with the lowest average high temperature are February, March and December (4.2°C).
- Average low temperature in April: 3°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are March and December (1.3°C).
Average pressure in April
Hafnir, Iceland
- Average pressure in April: 1008.5mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in April
Hafnir, Iceland
- Average wind speed in April: 29.7km/h
The windiest month (with the highest average wind speed) is February (35km/h).
The calmest month (with the lowest average wind speed) is June (20.1km/h).
Average humidity in April
Hafnir, Iceland
- Average humidity in April: 77%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is December (74%).
Average rainfall in April
Hafnir, Iceland
- Average rainfall in April: 70mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is June (35mm).
Average rainfall days in April
Hafnir, Iceland
- Average rainfall days in April: 19.3 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is June (12.5 days).
Average snowfall in April
Hafnir, Iceland
- Average snowfall in April: 36mm
The month with the highest snowfall is March (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Hafnir, Iceland
- Average snowfall days in April: 3.8 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hafnir, Iceland
- Average daylight in April: 15h and 6min
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 24min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in April
Hafnir, Iceland
- Average sunshine days in April: 7.1 days
The month with the most sunshine days is June (15 days).
The months with the least sunshine days are March and April (7.1 days).
Average UV index in April
Hafnir, 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, March, April, May, October, November and December (UV index 2).
Average cloud cover in April
Hafnir, Iceland
- Average cloud cover in April: 68
The month with the most cloud cover is March (Cloud cover 69).
The months with the least cloud cover are May, July and August (Cloud cover 60).
Average visibility in April
Hafnir, Iceland
- Average visibility in April: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
