Click on a day for an hourly weather forecast
The temperatures in Porvoo in July are comfortable with low of 14°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Porvoo during the month of July. 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 Porvoo in July 2025.
If you’re planning to visit Porvoo in the near future, we highly recommend that you review the 14 day weather forecast for Porvoo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -6° | 5 | 6 | 21 | 51 mm | Awful | Porvoo in January |
| February | -2° / -6° | 4 | 6 | 19 | 44 mm | Awful | Porvoo in February |
| March | 1° / -4° | 6 | 8 | 18 | 47 mm | Awful | Porvoo in March |
| April | 7° / 1° | 5 | 17 | 8 | 39 mm | Bad | Porvoo in April |
| May | 14° / 7° | 4 | 26 | 1 | 39 mm | Good | Porvoo in May |
| June | 18° / 11° | 5 | 25 | 0 | 64 mm | Good | Porvoo in June |
| July | 22° / 14° | 5 | 26 | 0 | 82 mm | Good | Porvoo in July |
| August | 20° / 14° | 5 | 26 | 0 | 100 mm | Good | Porvoo in August |
| September | 15° / 10° | 6 | 24 | 0 | 86 mm | Good | Porvoo in September |
| October | 8° / 5° | 9 | 19 | 3 | 96 mm | Awful | Porvoo in October |
| November | 4° / 1° | 8 | 14 | 8 | 80 mm | Awful | Porvoo in November |
| December | 0° / -3° | 6 | 8 | 17 | 60 mm | Awful | Porvoo in December |