April weather forecastÁlafoss, Iceland

April

Weather in April

April, the same as March, is an icy spring month in Álafoss, Iceland, with an average temperature ranging between max 4.9°C (40.8°F) and min 1.2°C (34.2°F).

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. The month of April shows a minor drop from daytime temperatures, generally recording a low average of 1.2°C (34.2°F).

Humidity

In April, the average relative humidity is 78%.

Rainfall

In April, in Álafoss, the rain falls for 15 days. Throughout April, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Álafoss, Iceland, there are 166.2 rainfall days, and 416mm (16.38") of precipitation is accumulated.

Snowfall

Months with snowfall in Álafoss are January through May, October through December. In Álafoss, in April, during 5.5 snowfall days, 22mm (0.87") of snow is typically accumulated. In Álafoss, Iceland, during the entire year, snow falls for 41.1 days and aggregates up to 309mm (12.17") of snow.

Daylight

In April, the average length of the day is 15h and 10min.
On the first day of the month, sunrise is at 06:41 and sunset at 20:18. On the last day of April, in Álafoss, sunrise is at 04:59 and sunset at 21:48 GMT.

Sunshine

In April, the average sunshine is 5.2h.

UV index

The average daily maximum UV index in April in Álafoss is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 in April interprets into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

The high-temperature, in April, in Álafoss, records 4.9°C (40.8°F), while the low-temperature is 1.2°C (34.2°F).

In April, the average relative humidity in Álafoss, Iceland, is 78%.

In April, in Álafoss, the rain falls for 15 days. Throughout April, 36mm (1.42") of precipitation is accumulated.

In April, in Álafoss, Iceland, it is snowing for 5.5 days. Throughout April, 22mm (0.87") of snow is accumulated.

In Álafoss, the average day length in April is 15h and 10min.

On the first day of April in Álafoss, sunrise is at 06:41 and sunset at 20:18. On the last day of the month, sunrise is at 04:59 and sunset at 21:48 GMT.

The average sunshine duration in April in Álafoss is 5.2h.

The average daily maximum UV index in April in Álafoss is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Álafoss, 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
Álafoss, 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
Álafoss, 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
Álafoss, 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
Álafoss, 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
Álafoss, 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
Álafoss, 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
Álafoss, 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 daylight in April /
Average sunshine in April
Álafoss, Iceland

  • Average daylight in April: 15h and 12min

The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).

  • 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
Álafoss, 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
Álafoss, 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
Álafoss, 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
Álafoss, 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).