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 sea temperature 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
Úlfsá's shift into April is marked by a subtle change to an icy 1.3°C (34.3°F) from March's -1°C (30.2°F) in temperature. In Úlfsá, the April nights are characterized by an average low-temperature of -2.1°C (28.2°F), a minor dip from daytime readings.Humidity
The average relative humidity in April in Úlfsá is 86%.Rainfall
In April, the rain falls for 10.7 days. Throughout April, 58mm (2.28") of precipitation is accumulated. Throughout the year, there are 124.6 rainfall days, and 664mm (26.14") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, August through December. In Úlfsá, Iceland, in April, during 14.3 snowfall days, 157mm (6.18") of snow is typically accumulated. In Úlfsá, Iceland, during the entire year, snow falls for 96.2 days and aggregates up to 1214mm (47.8") of snow.Sea temperature
January through April, with an average sea temperature of 3°C (37.4°F), are months with the coldest seawater.Note: In swimming, this scenario poses immediate life-threatening danger. Breathing control is totally lost and logical thinking nearly impossible. Wearing a specialized swimsuit is critical to limit thermal loss.
Daylight
In Úlfsá, the average length of the day in April is 15h and 28min.On the first day of the month, sunrise is at 06:43 and sunset at 20:29. On the last day of April, sunrise is at 04:49 and sunset at 22:09 GMT.
Sunshine
In Úlfsá, the average sunshine in April is 4.4h.UV index
January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Úlfsá. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during April translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April?
What is the average humidity in April?
How much does it rain in Úlfsá in April?
How many days does it snow in April?
What months are the sea coldest?
What is the sea temperature in April in Úlfsá?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Úlfsá have in April?
When is the lowest UV index?
What is the UV index reading in April?
Average temperature in April
Úlfsá, Iceland
- Average high temperature in April: 1.3°C
The warmest month (with the highest average high temperature) is July (9.5°C).
The month with the lowest average high temperature is March (-1°C).
- Average low temperature in April: -2.1°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is December (-4.3°C).
Average pressure in April
Úlfsá, Iceland
- Average pressure in April: 1009.7mbar
The month with the highest atmospheric pressure is June (1014.7mbar).
The month with the lowest atmospheric pressure is January (997.3mbar).
Average wind speed in April
Úlfsá, Iceland
- Average wind speed in April: 20.2km/h
The windiest months (with the highest average wind speed) are February and December (25.2km/h).
The calmest month (with the lowest average wind speed) is June (13.4km/h).
Average humidity in April
Úlfsá, Iceland
- Average humidity in April: 86%
The months with the highest relative humidity are January, February, October and December (88%).
The month with the lowest relative humidity is June (81%).
Average rainfall in April
Úlfsá, Iceland
- Average rainfall in April: 58mm
The wettest month (with the highest rainfall) is January (88mm).
The driest month (with the least rainfall) is June (20mm).
Average rainfall days in April
Úlfsá, Iceland
- Average rainfall days in April: 10.7 days
The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in April
Úlfsá, Iceland
- Average snowfall in April: 157mm
The month with the highest snowfall is March (249mm).
The month with the least snowfall is July (0mm).
Average snowfall days in April
Úlfsá, Iceland
- Average snowfall days in April: 14.3 days
The month with the highest number of snowfall days is March (17.5 days).
The month with the least snowfall days is July (0 days).
Average sea temperature in April
Úlfsá, Iceland
- Average sea temperature in April: 3°C
The best months for swimming (with the highest average sea temperature) are July and August (7°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (3°C).
Average daylight in April /
Average sunshine in April
Úlfsá, Iceland
- Average daylight in April: 15h and 3min
The month with the longest days is July (Average daylight: 21h and 0min).
The month with the shortest days is December (Average daylight: 3h and 6min).
- Average sunshine in April: 4h and 2min
The month with the most sunshine is August (Average sunshine: 5h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).
Average sunshine days in April
Úlfsá, Iceland
- Average sunshine days in April: 7 days
The month with the most sunshine days is June (18 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in April
Úlfsá, Iceland
- Average UV index in April: 1
The month with the highest UV index is July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in April
Úlfsá, Iceland
- Average cloud cover in April: 74
The month with the most cloud cover is March (Cloud cover 81).
The month with the least cloud cover is June (Cloud cover 65).
Average visibility in April
Úlfsá, Iceland
- Average visibility in April: 8km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, November and December (8km).
