Click on a day for an hourly weather forecast
The temperatures in Truro in August are comfortable with low of 15°C and and high up to 18°C.
You can expect about 3 to 8 days of rain in Truro 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 Truro in August 2025.
If you’re planning to visit Truro in the near future, we highly recommend that you review the 14 day weather forecast for Truro before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 7° | 10 | 21 | 1 | 145 mm | Bad | Truro in January |
| February | 9° / 7° | 9 | 18 | 1 | 119 mm | Bad | Truro in February |
| March | 10° / 7° | 7 | 24 | 0 | 92 mm | Bad | Truro in March |
| April | 11° / 8° | 5 | 25 | 0 | 70 mm | Ok | Truro in April |
| May | 14° / 10° | 5 | 26 | 0 | 72 mm | Good | Truro in May |
| June | 16° / 13° | 6 | 24 | 0 | 89 mm | Good | Truro in June |
| July | 18° / 15° | 6 | 25 | 0 | 96 mm | Good | Truro in July |
| August | 18° / 15° | 7 | 24 | 0 | 119 mm | Ok | Truro in August |
| September | 17° / 14° | 5 | 25 | 0 | 79 mm | Good | Truro in September |
| October | 15° / 12° | 8 | 23 | 0 | 145 mm | Ok | Truro in October |
| November | 12° / 10° | 9 | 21 | 0 | 166 mm | Bad | Truro in November |
| December | 10° / 8° | 10 | 20 | 0 | 155 mm | Bad | Truro in December |