Annual mean 11°C · wettest around December · prevailing wind SW
Warmest
25.8 °C
Coldest
2.1 °C
Wettest
20%
Windiest
4.3 m/s
Prevailing
SW
3.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Falmouth over the whole year is 11°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -0°C. Falmouth has no sharply defined rainy season: the chance of rain on a given day runs from 10% in July, the driest month, to 18% in December, the wettest. Winds in Falmouth are highest in March, averaging 3.5 m/s (13 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Falmouth come in August, when the sky is typically 40% covered; January is the cloudiest month, at 51%.
Month by month Falmouth climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
3°C
-0°C
-2°C
15%
51%
3.2 m/s
0
0
9
February
4°C
0°C
-1°C
16%
49%
3.1 m/s
1
0
13
March
6°C
2°C
1°C
15%
48%
3.5 m/s
1
0
21
April
11°C
7°C
7°C
17%
50%
3.3 m/s
8
0
47
May
16°C
12°C
14°C
15%
49%
2.9 m/s
41
4
75
June
21°C
17°C
22°C
12%
43%
2.6 m/s
76
26
58
July
25°C
21°C
27°C
10%
44%
2.4 m/s
51
60
21
August
25°C
20°C
27°C
12%
40%
2.3 m/s
57
54
25
September
22°C
17°C
22°C
14%
45%
2.5 m/s
71
27
56
October
17°C
12°C
15°C
16%
48%
2.7 m/s
51
5
74
November
11°C
6°C
7°C
14%
42%
3.1 m/s
13
0
45
December
5°C
2°C
1°C
18%
47%
3.1 m/s
1
0
19
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Falmouth weather by season
Year round, Falmouth has days of about 3°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -0°C to 21°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Falmouth weather in winterDecember to February
High 4°CLow 1°CRain 17%
Winter in Falmouth has typical daily highs of about 4°C and lows of about 1°C, with a 17% chance of rain on a given day.
Falmouth weather in springMarch to May
High 11°CLow 7°CRain 15%
Spring in Falmouth has typical daily highs of about 11°C and lows of about 7°C, with a 15% chance of rain on a given day.
Falmouth weather in summerJune to August
High 24°CLow 19°CRain 11%
Summer in Falmouth has typical daily highs of about 24°C and lows of about 19°C, with a 11% chance of rain on a given day.
Falmouth weather in autumnSeptember to November
High 16°CLow 12°CRain 15%
Autumn in Falmouth has typical daily highs of about 16°C and lows of about 12°C, with a 15% chance of rain on a given day.
When is the rainy season in Falmouth?
Falmouth has no sharply defined rainy season: the chance of rain on a given day runs from 10% in July, the driest month, to 18% in December, the wettest.
What time of year is Falmouth windiest?
Winds in Falmouth are highest in March, averaging 3.5 m/s (13 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Falmouth year round?
The average temperature in Falmouth over the whole year is 11°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -0°C.