Annual mean 11°C · wettest around December · prevailing wind SW
Warmest
25.9 °C
Coldest
2.2 °C
Wettest
24%
Windiest
4.5 m/s
Prevailing
SW
3.8 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 Barnstable 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. Barnstable has no sharply defined rainy season: the chance of rain on a given day runs from 16% in July, the driest month, to 22% in December, the wettest. Winds in Barnstable are highest in March, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Barnstable come in August, when the sky is typically 39% covered; January is the cloudiest month, at 52%.
Month by month Barnstable 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
-3°C
20%
52%
3.4 m/s
0
0
8
February
4°C
0°C
-1°C
20%
49%
3.3 m/s
0
0
11
March
6°C
2°C
1°C
19%
48%
3.7 m/s
1
0
19
April
11°C
7°C
6°C
21%
50%
3.5 m/s
7
0
44
May
16°C
11°C
13°C
19%
49%
3.1 m/s
37
3
75
June
22°C
17°C
21°C
17%
42%
2.7 m/s
76
24
61
July
25°C
21°C
27°C
16%
43%
2.5 m/s
54
57
24
August
25°C
20°C
26°C
17%
39%
2.4 m/s
60
52
28
September
22°C
17°C
21°C
20%
44%
2.6 m/s
72
24
58
October
17°C
12°C
15°C
21%
48%
2.8 m/s
49
4
74
November
11°C
6°C
6°C
19%
43%
3.3 m/s
12
0
43
December
5°C
2°C
0°C
22%
49%
3.3 m/s
1
0
17
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 Barnstable weather by season
Year round, Barnstable 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.
Barnstable weather in winterDecember to February
High 4°CLow 1°CRain 21%
Winter in Barnstable has typical daily highs of about 4°C and lows of about 1°C, with a 21% chance of rain on a given day.
Barnstable weather in springMarch to May
High 11°CLow 7°CRain 20%
Spring in Barnstable has typical daily highs of about 11°C and lows of about 7°C, with a 20% chance of rain on a given day.
Barnstable weather in summerJune to August
High 24°CLow 19°CRain 16%
Summer in Barnstable has typical daily highs of about 24°C and lows of about 19°C, with a 16% chance of rain on a given day.
Barnstable weather in autumnSeptember to November
High 16°CLow 12°CRain 20%
Autumn in Barnstable has typical daily highs of about 16°C and lows of about 12°C, with a 20% chance of rain on a given day.
When is the rainy season in Barnstable?
Barnstable has no sharply defined rainy season: the chance of rain on a given day runs from 16% in July, the driest month, to 22% in December, the wettest.
What time of year is Barnstable windiest?
Winds in Barnstable are highest in March, averaging 3.7 m/s (13 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Barnstable year round?
The average temperature in Barnstable 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.