Falmouth Climate by Month
Falmouth, England, United Kingdom
Mild summers and cool winters, with rain spread through the year.
Falmouth has mild summers and cool winters, with rain spread through the year. August is the warmest month, with highs around 67°F (19°C); January is the coolest at 50°F (10°C), and nights dip to 41°F (5°C). About 41 in (1037 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 85% relative humidity.
- Warmest month
- 67°F(19°C)
- Average high, August
- Coldest nights
- 41°F(5°C)
- Average low, February
- Rain per year
- 41 in(1037 mm)
- No clear rainy season
- Humidity
- 85%
- Sunniest: June
Best and worst months in Falmouth
Best for weatherJuly and August are the best time for weather in Falmouth: highs near 67°F (19°C) and about 2.9 in (73 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 50°F (10°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Falmouth weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 50°F(10°C) | 41°F(5°C) | 4.4 in(111 mm) | 87% | 0.8 |
| FebFebruary | 50°F(10°C) | 41°F(5°C) | 3.4 in(87 mm) | 88% | 1.6 |
| MarMarch | 52°F(11°C) | 42°F(6°C) | 3.0 in(76 mm) | 83% | 2.6 |
| AprApril | 55°F(13°C) | 44°F(7°C) | 2.7 in(68 mm) | 83% | 4.2 |
| MayMay | 60°F(15°C) | 48°F(9°C) | 2.2 in(55 mm) | 85% | 5.1 |
| JunJune | 64°F(18°C) | 53°F(12°C) | 2.4 in(61 mm) | 84% | 5.5 |
| JulJulyBest | 67°F(19°C) | 56°F(13°C) | 2.7 in(69 mm) | 81% | 4.9 |
| AugAugustBest | 67°F(19°C) | 56°F(14°C) | 3.0 in(77 mm) | 86% | 4.3 |
| SepSeptember | 64°F(18°C) | 53°F(12°C) | 3.0 in(76 mm) | 83% | 3.3 |
| OctOctober | 59°F(15°C) | 50°F(10°C) | 4.5 in(115 mm) | 83% | 1.9 |
| NovNovember | 54°F(12°C) | 46°F(8°C) | 4.8 in(122 mm) | 90% | 1.1 |
| DecDecember | 51°F(10°C) | 43°F(6°C) | 4.7 in(120 mm) | 83% | 0.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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