Climate averages 1991–2020
Wilhelmshaven weather
in January.
A cold, moderately wet month: the coolest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Wilhelmshaven: daytime highs average 4.5°C and nights cool to about 0.5°C. By daytime temperature it is the coolest month of the year.
Expect about 64 mm of rain on roughly 13 days, which makes January a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 05 min on an average January day.
The nearest other city in this atlas is Bremerhaven (31 km away). In January its highs average 4.2°C, about as warm as Wilhelmshaven, with 67 mm of rain.
Among the 120 cities listed in Germany, Wilhelmshaven ranks joint 49th of 120 for the warmest January highs and joint 46th of 120 for the driest January (rainfall, lowest first). The mean January high of those 120 cities is 4.2°C; Wilhelmshaven is 0.3°C warmer than that mean.
From January to February, average highs rise by 0.8°C to 5.3°C, and monthly rainfall falls from 64 mm to 50 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Bremerhaven in JanuaryGermany · 31 kmHigh 4.2°C · Low 0.8°C · 67 mm rain
- Oldenburg in JanuaryGermany · 46 kmHigh 4.5°C · Low 0.3°C · 66 mm rain
- Delmenhorst in JanuaryGermany · 65 kmHigh 4.3°C · Low 0.3°C · 64 mm rain
- Bremen in JanuaryGermany · 70 kmHigh 4.2°C · Low 0.1°C · 64 mm rain
- Groningen in JanuaryThe Netherlands · 108 kmHigh 4.9°C · Low 0.8°C · 63 mm rain
- Hamburg in JanuaryGermany · 125 kmHigh 3.8°C · Low -0.4°C · 61 mm rain
- Norderstedt in JanuaryGermany · 126 kmHigh 3.6°C · Low -0.3°C · 64 mm rain
- Neumünster in JanuaryGermany · 137 kmHigh 3.7°C · Low -0.3°C · 64 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.