April weather forecastGrzybowo, Poland
April
Weather in April
Sea temperature
In Grzybowo, Poland, the average seawater temperature in April is 5.3°C (41.5°F).Note: Swimming in 5.3°C (41.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
In April, the average length of the day is 14h and 5min.On the first day of the month, sunrise is at 06:29 and sunset at 19:34. On the last day of April, sunrise is at 05:21 and sunset at 20:28 CEST.
Updated: Feb 2, 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
In Grzybowo, Poland, in April, the average water temperature is 5.3°C (41.5°F). Swimming in 5.3°C (41.5°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.
The average day length in April is 14h and 5min.
In April, on the first day of the month, sunrise is at 06:29 and sunset at 19:34. On the last day of the month, in Grzybowo, sunrise is at 05:21 and sunset at 20:28 CEST.
Average sea temperature in April
Grzybowo, Poland
- Average sea temperature in April: 5.3°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest months (with the lowest average sea temperature) are January, February and March (2.4°C).
Average daylight in April
Grzybowo, Poland
- Average daylight in April: 14h and 6min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).





