The temperatures in Penzance in August are comfortable with low of 15°C and and high up to 17°C.
You can expect about 3 to 8 days of rain in Penzance 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 Penzance in August 2025.
If you’re planning to visit Penzance in the near future, we highly recommend that you review the 14 day weather forecast for Penzance before you arrive.
Temperatures
17° / 15°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
116
mm
Sun Hours
8.9
Hrs