Click on a day for an hourly weather forecast
The temperatures in Uddevalla in May are quite cold with temperatures between 6°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Uddevalla during the month of May. 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 Uddevalla in May 2026.
If you’re planning to visit Uddevalla in the near future, we highly recommend that you review the 14 day weather forecast for Uddevalla before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -3° | 8 | 10 | 13 | 78 mm | Awful | Uddevalla in January |
| February | 1° / -3° | 8 | 7 | 14 | 75 mm | Awful | Uddevalla in February |
| March | 5° / -1° | 6 | 18 | 7 | 62 mm | Awful | Uddevalla in March |
| April | 11° / 3° | 5 | 23 | 2 | 52 mm | Bad | Uddevalla in April |
| May | 15° / 6° | 6 | 24 | 0 | 82 mm | Good | Uddevalla in May |
| June | 19° / 10° | 6 | 24 | 0 | 93 mm | Good | Uddevalla in June |
| July | 21° / 12° | 7 | 24 | 0 | 109 mm | Ok | Uddevalla in July |
| August | 20° / 12° | 8 | 23 | 0 | 131 mm | Ok | Uddevalla in August |
| September | 16° / 10° | 6 | 24 | 0 | 101 mm | Good | Uddevalla in September |
| October | 11° / 6° | 9 | 22 | 0 | 114 mm | Bad | Uddevalla in October |
| November | 6° / 3° | 8 | 18 | 4 | 96 mm | Awful | Uddevalla in November |
| December | 2° / -1° | 10 | 12 | 9 | 94 mm | Awful | Uddevalla in December |