Click on a day for an hourly weather forecast
The weather in Wilhelmshaven in January is very cold with temperatures between 1°C and 4°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Wilhelmshaven. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Wilhelmshaven is going to experience quite a number of days of snow during January. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Wilhelmshaven in January 2026.
If you’re planning to visit Wilhelmshaven in the near future, we highly recommend that you review the 14 day weather forecast for Wilhelmshaven before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 1° | 9 | 14 | 8 | 90 mm | Awful | Wilhelmshaven in January |
| February | 5° / 1° | 7 | 14 | 7 | 72 mm | Awful | Wilhelmshaven in February |
| March | 8° / 2° | 7 | 21 | 3 | 70 mm | Awful | Wilhelmshaven in March |
| April | 12° / 5° | 5 | 24 | 1 | 55 mm | Ok | Wilhelmshaven in April |
| May | 15° / 8° | 6 | 25 | 0 | 87 mm | Good | Wilhelmshaven in May |
| June | 19° / 11° | 7 | 23 | 0 | 121 mm | Ok | Wilhelmshaven in June |
| July | 21° / 14° | 7 | 24 | 0 | 114 mm | Ok | Wilhelmshaven in July |
| August | 21° / 14° | 7 | 24 | 0 | 110 mm | Ok | Wilhelmshaven in August |
| September | 18° / 12° | 5 | 25 | 0 | 74 mm | Good | Wilhelmshaven in September |
| October | 14° / 8° | 7 | 24 | 0 | 83 mm | Ok | Wilhelmshaven in October |
| November | 9° / 5° | 6 | 22 | 1 | 76 mm | Ok | Wilhelmshaven in November |
| December | 6° / 2° | 10 | 16 | 5 | 91 mm | Awful | Wilhelmshaven in December |