Annual mean 11°C · wettest around March · prevailing wind SW
Warmest
20.6 °C
Coldest
7.1 °C
Wettest
40%
Windiest
6.2 m/s
Prevailing
SW
5.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
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 Sidmouth over the whole year is 11°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about 4°C. Sidmouth has no sharply defined rainy season: the chance of rain on a given day runs from 17% in July, the driest month, to 33% in March, the wettest. Winds in Sidmouth are highest in February, averaging 5.0 m/s (18 km/h), and lightest in July, at 3.7 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Sidmouth come in July, when the sky is typically 57% covered; December is the cloudiest month, at 70%.
Month by month Sidmouth 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
7°C
4°C
2°C
32%
66%
4.4 m/s
0
0
16
February
9°C
6°C
3°C
32%
65%
5.0 m/s
0
0
27
March
10°C
6°C
4°C
33%
66%
5.0 m/s
1
0
34
April
12°C
7°C
7°C
24%
58%
4.4 m/s
7
0
50
May
15°C
10°C
12°C
25%
58%
4.0 m/s
27
0
78
June
18°C
13°C
15°C
18%
62%
4.0 m/s
53
3
81
July
20°C
15°C
18°C
17%
57%
3.7 m/s
72
10
73
August
20°C
14°C
17°C
18%
59%
3.8 m/s
72
4
80
September
17°C
12°C
15°C
21%
62%
3.8 m/s
51
2
81
October
14°C
10°C
11°C
23%
63%
4.0 m/s
19
0
74
November
10°C
8°C
6°C
28%
67%
4.6 m/s
1
0
45
December
9°C
7°C
4°C
32%
70%
4.8 m/s
0
0
27
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 Sidmouth weather by season
Year round, Sidmouth has days of about 7°C at their warmest in January, its coolest month, and 20°C in July, its warmest; the coolest hours of the day run from 4°C to 15°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around March 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.
Sidmouth weather in winterDecember to February
High 8°CLow 5°CRain 32%
Winter in Sidmouth has typical daily highs of about 8°C and lows of about 5°C, with a 32% chance of rain on a given day.
Sidmouth weather in springMarch to May
High 12°CLow 8°CRain 27%
Spring in Sidmouth has typical daily highs of about 12°C and lows of about 8°C, with a 27% chance of rain on a given day.
Sidmouth weather in summerJune to August
High 19°CLow 14°CRain 18%
Summer in Sidmouth has typical daily highs of about 19°C and lows of about 14°C, with a 18% chance of rain on a given day.
Sidmouth weather in autumnSeptember to November
High 14°CLow 10°CRain 24%
Autumn in Sidmouth has typical daily highs of about 14°C and lows of about 10°C, with a 24% chance of rain on a given day.
When is the rainy season in Sidmouth?
Sidmouth has no sharply defined rainy season: the chance of rain on a given day runs from 17% in July, the driest month, to 33% in March, the wettest.
What time of year is Sidmouth windiest?
Winds in Sidmouth are highest in February, averaging 5.0 m/s (18 km/h), and lightest in July, at 3.7 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Sidmouth year round?
The average temperature in Sidmouth over the whole year is 11°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about 4°C.