Click on a day for an hourly weather forecast
The temperatures in Jessheim in May are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Jessheim. 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.
Please note that Jessheim can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Jessheim in May 2026.
If you’re planning to visit Jessheim in the near future, we highly recommend that you review the 14 day weather forecast for Jessheim before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -8° | 3 | 11 | 17 | 67 mm | Awful | Jessheim in January |
| February | -2° / -8° | 2 | 10 | 16 | 65 mm | Awful | Jessheim in February |
| March | 2° / -5° | 4 | 13 | 14 | 65 mm | Awful | Jessheim in March |
| April | 8° / 1° | 6 | 17 | 8 | 60 mm | Bad | Jessheim in April |
| May | 14° / 5° | 9 | 19 | 2 | 136 mm | Bad | Jessheim in May |
| June | 18° / 9° | 8 | 21 | 0 | 138 mm | Ok | Jessheim in June |
| July | 20° / 11° | 10 | 21 | 0 | 164 mm | Ok | Jessheim in July |
| August | 18° / 11° | 10 | 21 | 0 | 161 mm | Ok | Jessheim in August |
| September | 15° / 7° | 7 | 23 | 0 | 128 mm | Ok | Jessheim in September |
| October | 8° / 3° | 10 | 17 | 4 | 132 mm | Awful | Jessheim in October |
| November | 2° / -1° | 8 | 13 | 9 | 126 mm | Awful | Jessheim in November |
| December | -2° / -5° | 6 | 9 | 17 | 91 mm | Awful | Jessheim in December |