Annual mean 11°C · wettest around December · prevailing wind W
Warmest
27.2 °C
Coldest
0.7 °C
Wettest
23%
Windiest
4.9 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 Hopkinton over the whole year is 11°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -3°C. Hopkinton has no sharply defined rainy season: the chance of rain on a given day runs from 13% in June, the driest month, to 21% in December, the wettest. Winds in Hopkinton are highest in March, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Hopkinton come in August, when the sky is typically 40% covered; April is the cloudiest month, at 52%.
Month by month Hopkinton 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
-3°C
-5°C
15%
51%
3.5 m/s
0
0
5
February
3°C
-2°C
-3°C
17%
48%
3.4 m/s
2
0
11
March
7°C
1°C
1°C
16%
48%
3.8 m/s
3
0
24
April
12°C
6°C
7°C
19%
52%
3.6 m/s
15
1
50
May
18°C
12°C
15°C
16%
52%
3.1 m/s
47
10
70
June
24°C
17°C
23°C
13%
45%
2.8 m/s
71
32
50
July
27°C
20°C
27°C
13%
41%
2.5 m/s
46
60
19
August
26°C
19°C
26°C
13%
40%
2.4 m/s
59
52
27
September
22°C
15°C
21°C
14%
45%
2.4 m/s
70
24
60
October
16°C
9°C
13°C
15%
48%
2.7 m/s
44
4
72
November
9°C
3°C
5°C
17%
40%
3.1 m/s
10
0
34
December
3°C
-1°C
-2°C
21%
47%
3.1 m/s
0
0
11
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 Hopkinton weather by season
Year round, Hopkinton 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 -3°C to 20°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 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.
Hopkinton weather in winterDecember to February
High 2°CLow -2°CRain 18%
Winter in Hopkinton has typical daily highs of about 2°C and lows of about -2°C, with a 18% chance of rain on a given day.
Hopkinton weather in springMarch to May
High 12°CLow 6°CRain 17%
Spring in Hopkinton has typical daily highs of about 12°C and lows of about 6°C, with a 17% chance of rain on a given day.
Hopkinton weather in summerJune to August
High 26°CLow 19°CRain 13%
Summer in Hopkinton has typical daily highs of about 26°C and lows of about 19°C, with a 13% chance of rain on a given day.
Hopkinton weather in autumnSeptember to November
High 16°CLow 9°CRain 15%
Autumn in Hopkinton has typical daily highs of about 16°C and lows of about 9°C, with a 15% chance of rain on a given day.
When is the rainy season in Hopkinton?
Hopkinton has no sharply defined rainy season: the chance of rain on a given day runs from 13% in June, the driest month, to 21% in December, the wettest.
What time of year is Hopkinton windiest?
Winds in Hopkinton are highest in March, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Hopkinton year round?
The average temperature in Hopkinton over the whole year is 11°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -3°C.