Annual mean 12°C · wettest around February · prevailing wind W
Warmest
25.7 °C
Coldest
1.8 °C
Wettest
21%
Windiest
4.2 m/s
Prevailing
W
3.5 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 Stonington over the whole year is 12°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -1°C. Stonington has no sharply defined rainy season: the chance of rain on a given day runs from 9% in June, the driest month, to 19% in February, the wettest. Winds in Stonington are highest in March, averaging 3.2 m/s (12 km/h), and lightest in July, at 2.2 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Stonington come in November, when the sky is typically 38% covered; May is the cloudiest month, at 51%.
Month by month Stonington 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
2°C
-1°C
-3°C
16%
49%
3.0 m/s
0
0
6
February
4°C
0°C
-2°C
19%
46%
2.8 m/s
0
0
10
March
7°C
2°C
1°C
14%
45%
3.2 m/s
1
0
19
April
11°C
7°C
6°C
16%
50%
3.1 m/s
8
0
45
May
16°C
12°C
13°C
15%
51%
2.7 m/s
39
3
77
June
22°C
17°C
21°C
9%
42%
2.3 m/s
78
23
64
July
25°C
21°C
26°C
9%
41%
2.2 m/s
59
59
25
August
25°C
20°C
26°C
10%
38%
2.2 m/s
65
53
31
September
22°C
17°C
21°C
11%
45%
2.4 m/s
77
21
63
October
17°C
12°C
14°C
14%
46%
2.7 m/s
48
3
76
November
10°C
5°C
5°C
13%
38%
2.8 m/s
10
0
41
December
5°C
2°C
-1°C
18%
46%
2.8 m/s
0
0
14
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 Stonington weather by season
Year round, Stonington has days of about 2°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -1°C to 21°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around February and least likely around June. 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.
Stonington weather in winterDecember to February
High 4°CLow 0°CRain 18%
Winter in Stonington has typical daily highs of about 4°C and lows of about 0°C, with a 18% chance of rain on a given day.
Stonington weather in springMarch to May
High 11°CLow 7°CRain 15%
Spring in Stonington has typical daily highs of about 11°C and lows of about 7°C, with a 15% chance of rain on a given day.
Stonington weather in summerJune to August
High 24°CLow 19°CRain 10%
Summer in Stonington has typical daily highs of about 24°C and lows of about 19°C, with a 10% chance of rain on a given day.
Stonington weather in autumnSeptember to November
High 16°CLow 11°CRain 12%
Autumn in Stonington has typical daily highs of about 16°C and lows of about 11°C, with a 12% chance of rain on a given day.
When is the rainy season in Stonington?
Stonington has no sharply defined rainy season: the chance of rain on a given day runs from 9% in June, the driest month, to 19% in February, the wettest.
What time of year is Stonington windiest?
Winds in Stonington are highest in March, averaging 3.2 m/s (12 km/h), and lightest in July, at 2.2 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Stonington year round?
The average temperature in Stonington over the whole year is 12°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -1°C.