Falmouth weather
UK towns · Cornwall, England · 50.16°N 5.07°W
Falmouth, in Cornwall, England, has its warmest weather in August, when daytime temperatures average 19.9°C, while January nights are the coldest at around 4.9°C. The town sees roughly 1174mm of rain a year; October is normally the wettest month and April the driest. Figures are averaged from 2020–2024 observations.
Climate averages
| Month | Avg high | Avg low | Rain | Rain days |
|---|---|---|---|---|
| Jan | 9.4° | 4.9° | 98mm | 14 |
| Feb | 10.5° | 6.3° | 112mm | 16 |
| Mar | 11.1° | 6.2° | 112mm | 15 |
| Apr | 12.6° | 6.8° | 63mm | 11 |
| May | 15.4° | 9.4° | 75mm | 14 |
| Jun | 18° | 12.1° | 84mm | 14 |
| Jul | 19.4° | 13.7° | 87mm | 14 |
| Aug | 19.9° | 14.4° | 78mm | 13 |
| Sep | 18.4° | 12.9° | 90mm | 14 |
| Oct | 15.4° | 11.1° | 140mm | 19 |
| Nov | 12.5° | 8.6° | 107mm | 16 |
| Dec | 10.5° | 6.9° | 128mm | 17 |
Falmouth weather FAQs
What is the warmest month in Falmouth?
August is typically the warmest month in Falmouth, with average daytime highs of 19.9°C. Summer afternoons (June–August) average around 19.1°C.
What is the wettest month in Falmouth?
October is usually the wettest month, with around 140mm of rain over roughly 19 rainy days. April is typically the driest (63mm).
How much does it rain in Falmouth per year?
Falmouth receives roughly 1174mm of precipitation per year, spread over about 177 days with at least 1mm of rain (based on 2020–2024 observations).
How cold are winters in Falmouth?
Winter nights (December–February) in Falmouth average around 6.0°C, with January typically the coldest month (average low 4.9°C).