Annual mean 9°C · wettest around April · prevailing wind W
Warmest
26.9 °C
Coldest
-1.5 °C
Wettest
24%
Windiest
4.4 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 Brattleboro over the whole year is 9°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -6°C. Brattleboro has no sharply defined rainy season: the chance of rain on a given day runs from 13% in January, the driest month, to 19% in April, the wettest. Winds in Brattleboro are highest in March, averaging 3.0 m/s (11 km/h), and lightest in September, at 1.6 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Brattleboro come in July, when the sky is typically 45% covered; December is the cloudiest month, at 59%.
Month by month Brattleboro 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
-1°C
-6°C
-6°C
13%
59%
2.6 m/s
0
0
2
February
1°C
-5°C
-5°C
14%
55%
2.7 m/s
1
0
7
March
5°C
-2°C
-0°C
15%
53%
3.0 m/s
2
0
18
April
11°C
4°C
7°C
19%
57%
2.9 m/s
14
1
46
May
18°C
10°C
15°C
18%
53%
2.4 m/s
50
11
69
June
24°C
15°C
22°C
15%
48%
2.2 m/s
71
29
54
July
27°C
18°C
27°C
17%
45%
1.9 m/s
53
59
22
August
25°C
16°C
25°C
17%
47%
1.7 m/s
67
50
33
September
21°C
12°C
20°C
18%
48%
1.6 m/s
71
23
64
October
15°C
7°C
12°C
18%
57%
1.9 m/s
36
3
70
November
7°C
1°C
3°C
15%
52%
2.3 m/s
8
0
25
December
1°C
-3°C
-3°C
18%
59%
2.3 m/s
0
0
6
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 Brattleboro weather by season
Year round, Brattleboro has days of about -1°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -6°C to 18°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around April and least likely around January. 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.
Brattleboro weather in winterDecember to February
High 0°CLow -5°CRain 15%
Winter in Brattleboro has typical daily highs of about 0°C and lows of about -5°C, with a 15% chance of rain on a given day.
Brattleboro weather in springMarch to May
High 12°CLow 4°CRain 17%
Spring in Brattleboro has typical daily highs of about 12°C and lows of about 4°C, with a 17% chance of rain on a given day.
Brattleboro weather in summerJune to August
High 25°CLow 17°CRain 16%
Summer in Brattleboro has typical daily highs of about 25°C and lows of about 17°C, with a 16% chance of rain on a given day.
Brattleboro weather in autumnSeptember to November
High 15°CLow 7°CRain 17%
Autumn in Brattleboro has typical daily highs of about 15°C and lows of about 7°C, with a 17% chance of rain on a given day.
When is the rainy season in Brattleboro?
Brattleboro has no sharply defined rainy season: the chance of rain on a given day runs from 13% in January, the driest month, to 19% in April, the wettest.
What time of year is Brattleboro windiest?
Winds in Brattleboro are highest in March, averaging 3.0 m/s (11 km/h), and lightest in September, at 1.6 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Brattleboro year round?
The average temperature in Brattleboro over the whole year is 9°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -6°C.