Reykjavík
Iceland
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Reykjavík, Iceland

The city buildings of Reykjavík, the capital city of Iceland, with a view of the sea, and a mountain with a snowy peak in the far distance
The city buildings of Reykjavík, the capital city of Iceland, with a view of the sea, and a mountain with a snowy peak in the far distance
April, like March, in Reykjavík, Iceland, is a wintry spring month, with temperature in the range of an average high of 5.7°C (42.3°F) and an average low of 0.4°C (32.7°F).

Temperature

In Reykjavík, the average high-temperature in April is essentially the same as in March - a still cold 5.7°C (42.3°F). In April, in Reykjavík, the average low-temperature is 0.4°C (32.7°F).

Rainfall

In Reykjavík, Iceland, during April, the rain falls for 12.2 days and regularly aggregates up to 58.3mm (2.3") of precipitation. Throughout the year, in Reykjavík, there are 147.9 rainfall days, and 798.2mm (31.4") of precipitation is accumulated.

Sea temperature

In April, the average sea temperature is 5.9°C (42.6°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

The average length of the day in Reykjavík is 15.2h.

Sunshine

In Reykjavík, the average sunshine is 4.7h.

UV index

In April, the average daily maximum UV index in Reykjavík is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in April interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in April in Reykjavík?

In Reykjavík, in April, the average high-temperature is 5.7°C (42.3°F), and the average low-temperature is 0.4°C (32.7°F).

How much does it rain in Reykjavík in April?

In Reykjavík, in April, during 12.2 rainfall days, 58.3mm (2.3") of precipitation is typically accumulated.

How cold is the water in April in Reykjavík?

In Reykjavík, Iceland, the average seawater temperature in April is 5.9°C (42.6°F). Swimming in 5.9°C (42.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Reykjavík have in April?

The average length of the day in April in Reykjavík is 15.2h.

How long on average sun shines in April in Reykjavík?

In Reykjavík, the average sunshine in April is 4.7h.

What is the UV index intensity in April in Reykjavík?

The average daily maximum UV index in April in Reykjavík, Iceland, is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.
Average temperature in April - Reykjavík, Iceland
  • Average high temperature in April: 5.7°C

The warmest month (with the highest average high temperature) is July (13.3°C).
The month with the lowest average high temperature is January (1.9°C).

  • Average low temperature in April: 0.4°C

The month with the highest average low temperature is July (8.3°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average rainfall in April - Reykjavík, Iceland
  • Average rainfall in April: 58.3mm

The wettest month (with the highest rainfall) is October (85.6mm).
The driest month (with the lowest rainfall) is May (43.8mm).

Average rainfall days in April - Reykjavík, Iceland
  • Average rainfall days in April: 12.2 days

The month with the highest number of rainy days is October (14.5 days).
The month with the lowest number of rainy days is May (9.8 days).

Average sea temperature in April - Reykjavík, Iceland
  • Average sea temperature in April: 5.9°C

The best month for swimming (with the highest average sea temperature) is July (11.4°C).
The coldest month (with the lowest average sea temperature) is March (5.1°C).

Average daylight in April / Average sunshine in April - Reykjavík, Iceland
  • Average daylight in April: 15.2h

The month with the longest days is June (Average daylight: 20.9h).
The month with shortest days is December (Average daylight: 4.4h).

  • Average sunshine in April: 4.7h

The month with most sunshine is May (Average sunshine: 6.2h).
The month with least sunshine is December (Average sunshine: 0.4h).

Average UV index in April - Reykjavík, Iceland
  • Average UV index in April: 2

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 0).