Climate averages 1991–2020
Wilhelmshaven weather
in August.
A mild, moderately wet month: the 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Wilhelmshaven: daytime highs average 21.3°C and nights cool to about 14.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 82 mm of rain on roughly 14 days, which makes August a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 49 min on an average August day.
The nearest other city in this atlas is Bremerhaven (31 km away). In August its highs average 20.9°C, about as warm as Wilhelmshaven, with 84 mm of rain.
Among the 120 cities listed in Germany, Wilhelmshaven ranks joint 111th of 120 for the warmest August highs and joint 91st of 120 for the driest August (rainfall, lowest first). The mean August high of those 120 cities is 22.9°C; Wilhelmshaven is 1.6°C cooler than that mean.
From August to September, average highs fall by 3.4°C to 17.9°C, and monthly rainfall falls from 82 mm to 67 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Wilhelmshaven climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.5°C0.5°C | 0.5°C | 64 | 13.4 | 8.18 h |
| February | 5.3°C0.5°C | 0.5°C | 50 | 10.0 | 9.810 h |
| March | 8.4°C2.0°C | 2.0°C | 51 | 11.2 | 11.812 h |
| April | 12.8°C4.9°C | 4.9°C | 50 | 11.0 | 14.014 h |
| May | 16.5°C8.7°C | 8.7°C | 57 | 11.5 | 15.916 h |
| June | 19.2°C11.8°C | 11.8°C | 76 | 12.6 | 16.917 h |
| July | 21.4°C14.2°C | 14.2°C | 87 | 14.4 | 16.516 h |
| August, selected | 21.3°C14.3°C | 14.3°C | 82 | 14.2 | 14.815 h |
| September | 17.9°C11.7°C | 11.7°C | 67 | 11.3 | 12.813 h |
| October | 13.3°C8.0°C | 8.0°C | 62 | 12.4 | 10.611 h |
| November | 8.3°C4.2°C | 4.2°C | 55 | 11.9 | 8.79 h |
| December | 5.2°C1.4°C | 1.4°C | 63 | 12.9 | 7.68 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Bremerhaven in AugustGermany · 31 kmHigh 20.9°C · Low 15.1°C · 84 mm rain
- Oldenburg in AugustGermany · 46 kmHigh 21.8°C · Low 14.2°C · 82 mm rain
- Delmenhorst in AugustGermany · 65 kmHigh 21.9°C · Low 14.3°C · 73 mm rain
- Bremen in AugustGermany · 70 kmHigh 22.0°C · Low 14.2°C · 73 mm rain
- Groningen in AugustThe Netherlands · 108 kmHigh 20.9°C · Low 14.1°C · 83 mm rain
- Hamburg in AugustGermany · 125 kmHigh 22.2°C · Low 14.1°C · 76 mm rain
- Norderstedt in AugustGermany · 126 kmHigh 21.8°C · Low 14.1°C · 75 mm rain
- Neumünster in AugustGermany · 137 kmHigh 21.4°C · Low 14.0°C · 75 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Wilhelmshaven) is explained once on the Wilhelmshaven year overview and on the Sources, method and limits page.