Annual mean 7°C · wettest around December · prevailing wind W
Warmest
24.8 °C
Coldest
-6.5 °C
Wettest
52%
Windiest
4.1 m/s
Prevailing
W
3.4 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 Granby over the whole year is 7°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -9°C. Granby has no sharply defined rainy season: the chance of rain on a given day runs from 39% in September, the driest month, to 49% in December, the wettest. Winds in Granby are highest in February, averaging 3.1 m/s (11 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in Granby come in July, when the sky is typically 39% covered; December is the cloudiest month, at 68%.
Month by month Granby 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
-6°C
-9°C
-11°C
48%
67%
2.8 m/s
0
0
0
February
-4°C
-8°C
-10°C
47%
59%
3.1 m/s
0
0
1
March
1°C
-4°C
-4°C
46%
56%
3.1 m/s
1
0
7
April
8°C
3°C
4°C
47%
54%
3.1 m/s
7
0
30
May
17°C
10°C
14°C
43%
48%
2.7 m/s
40
7
64
June
22°C
16°C
20°C
43%
45%
2.5 m/s
66
21
58
July
25°C
18°C
25°C
42%
39%
2.1 m/s
66
47
35
August
24°C
17°C
23°C
42%
39%
2.0 m/s
70
39
41
September
20°C
12°C
19°C
39%
40%
2.0 m/s
61
18
65
October
13°C
7°C
10°C
44%
55%
2.4 m/s
25
1
57
November
4°C
1°C
-0°C
47%
62%
2.8 m/s
3
0
14
December
-2°C
-5°C
-7°C
49%
68%
2.8 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 Granby weather by season
Year round, Granby has days of about -6°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -9°C to 18°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 September. 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.
Granby weather in winterDecember to February
High -4°CLow -7°CRain 48%
Winter in Granby has typical daily highs of about -4°C and lows of about -7°C, with a 48% chance of rain on a given day.
Granby weather in springMarch to May
High 9°CLow 3°CRain 45%
Spring in Granby has typical daily highs of about 9°C and lows of about 3°C, with a 45% chance of rain on a given day.
Granby weather in summerJune to August
High 23°CLow 17°CRain 42%
Summer in Granby has typical daily highs of about 23°C and lows of about 17°C, with a 42% chance of rain on a given day.
Granby weather in autumnSeptember to November
High 12°CLow 7°CRain 43%
Autumn in Granby has typical daily highs of about 12°C and lows of about 7°C, with a 43% chance of rain on a given day.
When is the rainy season in Granby?
Granby has no sharply defined rainy season: the chance of rain on a given day runs from 39% in September, the driest month, to 49% in December, the wettest.
What time of year is Granby windiest?
Winds in Granby are highest in February, averaging 3.1 m/s (11 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in Granby year round?
The average temperature in Granby over the whole year is 7°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -9°C.