April weather forecastBorgarnes, Iceland
April
Weather in April
April signals the advent of spring in Borgarnes, with weather conditions improving slightly from the icy winter months. The icy grip of winter loosens and is replaced by occasional rain showers. As snowfall decreases considerably to about 22mm (0.87") during this month, the landscape starts to lose some of its winter whiteness. The lengthened daylight hours, extending up to 15.2 hours, provide ample brightness to enjoy the spring awakening. This month also witnesses a transition from a snowy to a more rainy period, a typical spring weather pattern.Temperature
The advent of April presents an average high-temperature of a still wintry 4.9°C (40.8°F), maintaining a close correlation with the preceding month. Borgarnes's nighttime temperatures in April display a slight drop from daytime highs, averaging to a still wintry 1.2°C (34.2°F).Humidity
In April, the average relative humidity in Borgarnes is 78%.Rainfall
In Borgarnes, Iceland, in April, it is raining for 15 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Borgarnes, there are 166.2 rainfall days, and 416mm (16.38") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 5.5 days. Throughout April, 22mm (0.87") of snow is accumulated. Throughout the year, in Borgarnes, there are 41.1 snowfall days, and 309mm (12.17") of snow is accumulated.Sea temperature
In Borgarnes, Iceland, the average seawater temperature in April is 5°C (41°F).Note: Immersing oneself in 5°C (41°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.
Daylight
In Borgarnes, the average length of the day in April is 15h and 13min.On the first day of the month, sunrise is at 06:41 and sunset at 20:20. On the last day of April, in Borgarnes, sunrise is at 04:57 and sunset at 21:52 GMT.
Sunshine
In April, the average sunshine is 5.2h.UV index
In April, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 2 suggests these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Borgarnes, Iceland
- Average high temperature in April: 4.9°C
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is December (1.3°C).
- Average low temperature in April: 1.2°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).
Average pressure in April
Borgarnes, Iceland
- Average pressure in April: 1008.9mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.6mbar).
Average wind speed in April
Borgarnes, Iceland
- Average wind speed in April: 22.1km/h
The windiest month (with the highest average wind speed) is February (24.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in April
Borgarnes, Iceland
- Average humidity in April: 78%
The months with the highest relative humidity are January, February and September (82%).
The month with the lowest relative humidity is May (75%).
Average rainfall in April
Borgarnes, Iceland
- Average rainfall in April: 36mm
The wettest month (with the highest rainfall) is January (47mm).
The driest months (with the least rainfall) are June and July (25mm).
Average rainfall days in April
Borgarnes, Iceland
- Average rainfall days in April: 15 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is December (9.7 days).
Average snowfall in April
Borgarnes, Iceland
- Average snowfall in April: 22mm
The month with the highest snowfall is March (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Borgarnes, Iceland
- Average snowfall days in April: 5.5 days
The month with the highest number of snowfall days is March (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Borgarnes, Iceland
- Average sea temperature in April: 5°C
The best month for swimming (with the highest average sea temperature) is August (10.8°C).
The coldest month (with the lowest average sea temperature) is March (4.1°C).
Average daylight in April /
Average sunshine in April
Borgarnes, Iceland
- Average daylight in April: 15h and 12min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in April: 5h and 12min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in April
Borgarnes, Iceland
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is December (14.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in April
Borgarnes, 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 November (UV index 1).
Average cloud cover in April
Borgarnes, Iceland
- Average cloud cover in April: 68
The months with the most cloud cover are March and April (Cloud cover 68).
The months with the least cloud cover are August and December (Cloud cover 60).
Average visibility in April
Borgarnes, 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, April, May, July, August, September, October, November and December (9km).





