Weather in April
April is when spring begins to make its presence felt in Ísafjörður, though the temperatures remain on the cold side. Compared to March, a significantly warmer average high temperature of 4.7°C (40.5°F) can be expected in April. The rainfall average also decreases to 67mm (2.64"), the lowest up to this time in the year. The longer daylight hours, now 15.5 hours on average, and less rainfall compared to previous months mark a turn in the weather pattern.
Note: During swimming, this scenario is excessively cold, hazardous, and can lead to fatality. Hypothermia ensues swiftly without suitable insulated waterproof wear.
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.
Temperature
The advent of April in Ísafjörður presents an average high-temperature of a still wintry 4.7°C (40.5°F), maintaining a close correlation with the preceding month. Ísafjörður reports an average nighttime low-temperature of -1.1°C (30°F) in April.Rainfall
In Ísafjörður, in April, 67mm (2.64") of precipitation is typically accumulated. During the entire year, Ísafjörður aggregates up to 997mm (39.25") of precipitation.Sea temperature
In Ísafjörður, in April, the average water temperature is 4.2°C (39.6°F).Note: During swimming, this scenario is excessively cold, hazardous, and can lead to fatality. Hypothermia ensues swiftly without suitable insulated waterproof wear.
Daylight
In Ísafjörður, 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.
Updated: Feb 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Ísafjörður in April?
The high-temperature in Ísafjörður during April is 4.7°C (40.5°F) and the low-temperature is -1.1°C (30°F).
How much does it rain in Ísafjörður in April?
During April, Ísafjörður regularly aggregates up to 67mm (2.64") of precipitation.
How cold is the water in April in Ísafjörður?
In Ísafjörður, Iceland, 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 day length in Ísafjörður is 15h and 28min.
What time are sunrise and sunset in April in Ísafjörður?
On the first day of April, sunrise is at 06:43 and sunset at 20:29. On the last day of the month, sunrise is at 04:49 and sunset at 22:09 GMT.
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 least 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: 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).
Ísafjörður, Iceland
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