Annual mean 12°C · wettest around February · prevailing wind W
Warmest
27.2 °C
Coldest
1.7 °C
Wettest
48%
Windiest
4.8 m/s
Prevailing
W
4.0 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 East Haddam over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -2°C. The rainy (wet) season in East Haddam runs from January to February, peaking in February with a 45% chance of rain on a given day. The dry season is March to December; June is the driest month, at 6%. Winds in East Haddam are highest in March, averaging 3.6 m/s (13 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in East Haddam come in November, when the sky is typically 36% covered; May is the cloudiest month, at 49%.
Month by month East Haddam 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
-2°C
-3°C
41%
47%
3.3 m/s
1
0
7
February
4°C
-1°C
-2°C
45%
44%
3.2 m/s
1
0
11
March
7°C
2°C
2°C
19%
44%
3.6 m/s
3
0
25
April
12°C
7°C
7°C
12%
49%
3.5 m/s
14
1
51
May
18°C
12°C
15°C
10%
49%
3.0 m/s
49
8
74
June
23°C
17°C
22°C
6%
40%
2.6 m/s
72
32
53
July
27°C
21°C
28°C
7%
39%
2.4 m/s
47
62
18
August
26°C
20°C
27°C
6%
37%
2.3 m/s
57
54
25
September
22°C
16°C
21°C
8%
42%
2.5 m/s
74
25
58
October
17°C
11°C
14°C
10%
45%
2.7 m/s
48
5
74
November
10°C
4°C
5°C
9%
36%
3.1 m/s
11
0
40
December
5°C
1°C
-1°C
12%
44%
3.0 m/s
1
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 East Haddam weather by season
Year round, East Haddam has days of about 2°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -2°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.
East Haddam weather in winterDecember to February
High 3°CLow -1°CRain 33%
Winter in East Haddam has typical daily highs of about 3°C and lows of about -1°C, with a 33% chance of rain on a given day.
East Haddam weather in springMarch to May
High 13°CLow 7°CRain 14%
Spring in East Haddam has typical daily highs of about 13°C and lows of about 7°C, with a 14% chance of rain on a given day.
East Haddam weather in summerJune to August
High 25°CLow 19°CRain 6%
Summer in East Haddam has typical daily highs of about 25°C and lows of about 19°C, with a 6% chance of rain on a given day.
East Haddam weather in autumnSeptember to November
High 16°CLow 10°CRain 9%
Autumn in East Haddam has typical daily highs of about 16°C and lows of about 10°C, with a 9% chance of rain on a given day.
When is the rainy season in East Haddam?
The rainy (wet) season in East Haddam runs from January to February, peaking in February with a 45% chance of rain on a given day. The dry season is March to December; June is the driest month, at 6%.
What time of year is East Haddam windiest?
Winds in East Haddam are highest in March, averaging 3.6 m/s (13 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in East Haddam year round?
The average temperature in East Haddam over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -2°C.