Ísafjörður
Iceland
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Ísafjörður, Iceland

April, the same as March, is a wintry spring month in Ísafjörður, Iceland, with average temperature ranging between min -1.1°C (30°F) and max 4.7°C (40.5°F).

Temperature

In Ísafjörður, Iceland, the average high-temperature is relatively the same as in March - a still cold 4.7°C (40.5°F). The average low-temperature, in April, is -1.1°C (30°F).

Rainfall

In Ísafjörður, Iceland, 67mm (2.6") of precipitation is typically accumulated. During the entire year, Ísafjörður aggregates up to 997mm (39.3") of precipitation.

Sea temperature

In Ísafjörður, the average seawater temperature in April is 4.2°C (39.6°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The average length of the day in April in Ísafjörður is 15.5h.

What is the temperature in April in Ísafjörður?

In Ísafjörður, in April, the average high-temperature is 4.7°C (40.5°F), and the average low-temperature is -1.1°C (30°F).

How much does it rain in Ísafjörður in April?

Throughout April, in Ísafjörður, Iceland, 67mm (2.6") of precipitation is accumulated.

How cold is the water in April in Ísafjörður?

In Ísafjörður, the average seawater temperature in April is 4.2°C (39.6°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the average length of the day in April in Ísafjörður?

In April, the average length of the day in Ísafjörður, Iceland, is 15.5h.
Average temperature in April - Ísafjörður, Iceland
  • Average high temperature in April: 4.7°C

The warmest month (with the highest average high temperature) is July (12.3°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in April: -1.1°C

The month with the highest average low temperature is July (7.1°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average rainfall in April - Ísafjörður, Iceland
  • Average rainfall in April: 67mm

The wettest month (with the highest rainfall) is October (122mm).
The driest month (with the lowest rainfall) is July (55mm).

Average sea temperature in April - Ísafjörður, Iceland
  • Average sea temperature in April: 4.2°C

The best month for swimming (with the highest average sea temperature) is July (8.7°C).
The coldest month (with the lowest average sea temperature) is March (2.7°C).

Average daylight in April - Ísafjörður, Iceland
  • Average daylight in April: 15.5h

The month with the longest days is June (Average daylight: 23.5h).
The month with shortest days is December (Average daylight: 3.1h).