Sun, sea & sand

Wilhelmshaven weather in April

Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.

21

Holiday weather in April

Poor

Best time to visit: July – August

What is the weather like in Wilhelmshaven in April?

In April, Wilhelmshaven is cool: daytime highs average 13 °C, and nights cool down to about 5 °C. The sea averages 8.1 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 51 mm in total. All in all, April is not an ideal month for a holiday in Wilhelmshaven.

April compared

How the weather changes from March to May. Tap a month to open it.

MarchMarAprilAprMayMay
Score142123
Day9°13°17°
Night2°5°9°
Sea5°8°12°
Sun4 h6 h7 h
Rain days111112

More details for April

Daylight
13 h 56 min06:30 – 20:26
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
60 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Berlin

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %57 %
  • Few rainy daysweight 20 %51 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in April

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Wilhelmshaven in April: quick answers

Is Wilhelmshaven hot in April?

No. In April, Wilhelmshaven is cool: daytime highs average 13 °C and nights drop to about 5 °C.

Can you swim in Wilhelmshaven in April?

Only if you don't mind cold water: in April the sea averages just 8.1 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Wilhelmshaven in April?

Rain is frequent, with about 11 rainy days and 51 mm in total.

Wilhelmshaven month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences