Annual mean 7°C · wettest around December · prevailing wind W
Warmest
23.5 °C
Coldest
-4.2 °C
Wettest
37%
Windiest
5.4 m/s
Prevailing
W
4.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Amherst over the whole year is 7°C. July is the hottest month, with highs of about 23°C; February is the coldest, with lows of about -7°C. Amherst has no sharply defined rainy season: the chance of rain on a given day runs from 19% in August, the driest month, to 31% in December, the wettest. Winds in Amherst are highest in March, averaging 4.4 m/s (16 km/h), and lightest in July, at 3.0 m/s (11 km/h). The prevailing wind is from the W. The clearest skies in Amherst come in September, when the sky is typically 56% covered; January is the cloudiest month, at 68%.
Month by month Amherst 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
-4°C
-6°C
-10°C
30%
68%
4.1 m/s
0
0
0
February
-3°C
-7°C
-9°C
28%
60%
4.1 m/s
0
0
1
March
1°C
-4°C
-6°C
28%
64%
4.4 m/s
0
0
3
April
7°C
1°C
1°C
28%
66%
4.2 m/s
2
0
20
May
13°C
6°C
9°C
25%
64%
3.8 m/s
18
1
58
June
19°C
12°C
16°C
24%
64%
3.5 m/s
59
8
73
July
23°C
16°C
22°C
20%
61%
3.0 m/s
80
30
54
August
23°C
15°C
22°C
19%
56%
3.0 m/s
83
25
59
September
19°C
12°C
16°C
21%
56%
3.2 m/s
61
6
77
October
13°C
7°C
9°C
22%
59%
3.3 m/s
21
0
63
November
5°C
2°C
-0°C
30%
67%
4.1 m/s
2
0
15
December
-1°C
-4°C
-7°C
31%
66%
4.0 m/s
0
0
2
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 Amherst weather by season
Year round, Amherst has days of about -4°C at their warmest in January, its coolest month, and 23°C in July, its warmest; the coolest hours of the day run from -7°C to 16°C through the year, and the average temperature over the year is 7°C around the clock. Rain is most likely around December and least likely around August. 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.
Amherst weather in winterDecember to February
High -3°CLow -6°CRain 30%
Winter in Amherst has typical daily highs of about -3°C and lows of about -6°C, with a 30% chance of rain on a given day.
Amherst weather in springMarch to May
High 7°CLow 1°CRain 27%
Spring in Amherst has typical daily highs of about 7°C and lows of about 1°C, with a 27% chance of rain on a given day.
Amherst weather in summerJune to August
High 21°CLow 14°CRain 21%
Summer in Amherst has typical daily highs of about 21°C and lows of about 14°C, with a 21% chance of rain on a given day.
Amherst weather in autumnSeptember to November
High 12°CLow 7°CRain 24%
Autumn in Amherst has typical daily highs of about 12°C and lows of about 7°C, with a 24% chance of rain on a given day.
When is the rainy season in Amherst?
Amherst has no sharply defined rainy season: the chance of rain on a given day runs from 19% in August, the driest month, to 31% in December, the wettest.
What time of year is Amherst windiest?
Winds in Amherst are highest in March, averaging 4.4 m/s (16 km/h), and lightest in July, at 3.0 m/s (11 km/h). The prevailing wind is from the W.
What is the average temperature in Amherst year round?
The average temperature in Amherst over the whole year is 7°C. July is the hottest month, with highs of about 23°C; February is the coldest, with lows of about -7°C.