Click on a day for an hourly weather forecast
The temperatures in Trosa in August are comfortable with low of 13°C and and high up to 21°C.
You can expect rain for roughly half of the month of August in Trosa. 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.
Our weather forecast can give you a great sense of what weather to expect in Trosa in August 2026.
If you’re planning to visit Trosa in the near future, we highly recommend that you review the 14 day weather forecast for Trosa before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -4° | 9 | 19 | 4 | 42 mm | Awful | Trosa in January |
| February | 1° / -4° | 7 | 18 | 3 | 32 mm | Awful | Trosa in February |
| March | 4° / -2° | 6 | 22 | 3 | 40 mm | Awful | Trosa in March |
| April | 10° / 2° | 5 | 24 | 1 | 30 mm | Ok | Trosa in April |
| May | 16° / 6° | 7 | 23 | 0 | 54 mm | Ok | Trosa in May |
| June | 20° / 11° | 8 | 22 | 0 | 66 mm | Ok | Trosa in June |
| July | 22° / 14° | 9 | 22 | 0 | 71 mm | Ok | Trosa in July |
| August | 21° / 13° | 9 | 22 | 0 | 76 mm | Ok | Trosa in August |
| September | 17° / 10° | 6 | 24 | 0 | 55 mm | Good | Trosa in September |
| October | 10° / 5° | 7 | 24 | 0 | 57 mm | Bad | Trosa in October |
| November | 6° / 2° | 6 | 23 | 0 | 50 mm | Bad | Trosa in November |
| December | 2° / -2° | 8 | 20 | 3 | 46 mm | Awful | Trosa in December |