April
Weather in April
April presents a significant shift in the atmospheric temperament of Kópavogur. Both daylight hours and sea temperature show substantial increases, with the sea warming up to 5.9°C (42.6°F) from the cooler 5.1°C (41.2°F) of March. This period marks the emergence of more spring-like conditions, featuring extended daylight hours that supplement the slightly warming sea. When May comes around, residents can anticipate an even greater leap in sea temperatures.
Note: It is advised against swimming in 5.9°C (42.6°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.
On the first day of April in Kópavogur, Iceland, sunrise is at 06:42 and sunset at 20:19. On the last day of the month, sunrise is at 05:00 and sunset at 21:48 GMT.
Sea temperature
In Kópavogur, in April, the average water temperature is 5.9°C (42.6°F).Note: It is advised against swimming in 5.9°C (42.6°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
In Kópavogur, the average length of the day in April is 15h and 9min.On the first day of April in Kópavogur, Iceland, sunrise is at 06:42 and sunset at 20:19. On the last day of the month, sunrise is at 05:00 and sunset at 21:48 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
What is the sea water temperature in April in Kópavogur?
In Kópavogur, in April, the average water temperature is 5.9°C (42.6°F). Swimming in 5.9°C (42.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
What is the average length of the day in April in Kópavogur?
In April, the average day length is 15h and 9min.
When are sunrise and sunset in April in Kópavogur?
On the first day of April in Kópavogur, sunrise is at 06:42 and sunset at 20:19. On the last day of the month, sunrise is at 05:00 and sunset at 21:48 GMT.
Average sea temperature in April
Kópavogur, 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
Kópavogur, Iceland
- Average daylight in April: 15h and 1min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
