April
Weather in April
April's arrival changes the weather dynamics in Sandefjord, with a significant rise in temperature and longer days. The sea temperature starts to warm up significantly, reaching a refreshing 6.4°C (43.5°F). With spring in full bloom, the city’s landscape transforms into a colourful canvas. The increase in temperature is accompanied by a perceptible change in atmosphere, bringing sunshine and mild breezes. This month marks a significant contrast from the heavy coat weather of winter, initiating the lighter attire season.
Note: It is life-risking to swim in 6.4°C (43.5°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
On the first day of April in Sandefjord, sunrise is at 06:43 and sunset at 20:02. On the last day of the month, sunrise is at 05:22 and sunset at 21:10 CEST.
Sea temperature
In April, the average sea temperature in Sandefjord is 6.4°C (43.5°F).Note: It is life-risking to swim in 6.4°C (43.5°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
In April, the average length of the day in Sandefjord is 14h and 32min.On the first day of April in Sandefjord, sunrise is at 06:43 and sunset at 20:02. On the last day of the month, sunrise is at 05:22 and sunset at 21:10 CEST.
Updated: Jan 26, 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 Sandefjord?
In April, the average sea temperature in Sandefjord, Norway, is 6.4°C (43.5°F). Swimming in 6.4°C (43.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
How many hours of daylight does Sandefjord have in April?
In Sandefjord, the average day length in April is 14h and 32min.
What time are sunrise and sunset in April in Sandefjord?
In April, on the first day of the month, sunrise is at 06:43 and sunset at 20:02. On the last day of the month, in Sandefjord, Norway, sunrise is at 05:22 and sunset at 21:10 CEST.
Average sea temperature in April
Sandefjord, Norway
- Average sea temperature in April: 6.4°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight in April
Sandefjord, Norway
- Average daylight in April: 14h and 3min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
