Click on a day for an hourly weather forecast
The temperatures in Hamar in August are quite cold with temperatures between 7°C and 19°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Hamar during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Hamar in August 2025.
If you’re planning to visit Hamar in the near future, we highly recommend that you review the 14 day weather forecast for Hamar before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -6° / -12° | 4 | 9 | 18 | 46 mm | Awful | Hamar in January |
| February | -3° / -11° | 4 | 6 | 18 | 39 mm | Awful | Hamar in February |
| March | 2° / -7° | 6 | 10 | 15 | 39 mm | Awful | Hamar in March |
| April | 8° / -2° | 5 | 19 | 6 | 34 mm | Bad | Hamar in April |
| May | 14° / 3° | 7 | 22 | 2 | 69 mm | Bad | Hamar in May |
| June | 19° / 6° | 6 | 24 | 0 | 64 mm | Good | Hamar in June |
| July | 21° / 8° | 6 | 25 | 0 | 82 mm | Good | Hamar in July |
| August | 19° / 7° | 7 | 24 | 0 | 77 mm | Ok | Hamar in August |
| September | 15° / 4° | 5 | 25 | 0 | 58 mm | Good | Hamar in September |
| October | 8° / 0° | 7 | 22 | 2 | 53 mm | Awful | Hamar in October |
| November | 1° / -4° | 6 | 16 | 8 | 54 mm | Awful | Hamar in November |
| December | -5° / -9° | 6 | 8 | 17 | 46 mm | Awful | Hamar in December |