Annual mean 7°C · wettest around December · prevailing wind SW
Warmest
24.5 °C
Coldest
-6.6 °C
Wettest
46%
Windiest
4.4 m/s
Prevailing
SW
3.7 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 Gravenhurst over the whole year is 7°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -9°C. Gravenhurst has no sharply defined rainy season: the chance of rain on a given day runs from 35% in July, the driest month, to 46% in December, the wettest. Winds in Gravenhurst are highest in March, averaging 3.2 m/s (12 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Gravenhurst come in July, when the sky is typically 36% covered; December is the cloudiest month, at 64%.
Month by month Gravenhurst 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
42%
60%
2.9 m/s
0
0
0
February
-4°C
-9°C
-10°C
42%
57%
3.1 m/s
0
0
0
March
1°C
-5°C
-5°C
40%
48%
3.2 m/s
0
0
5
April
8°C
1°C
3°C
43%
45%
3.2 m/s
6
0
27
May
16°C
9°C
13°C
38%
39%
2.7 m/s
36
7
63
June
21°C
14°C
19°C
38%
38%
2.7 m/s
68
19
64
July
24°C
16°C
24°C
35%
36%
2.3 m/s
75
42
43
August
23°C
15°C
23°C
37%
37%
2.2 m/s
76
36
48
September
19°C
11°C
18°C
37%
38%
2.1 m/s
60
14
69
October
12°C
6°C
9°C
42%
48%
2.7 m/s
24
2
52
November
4°C
-0°C
-1°C
44%
55%
3.0 m/s
3
0
14
December
-2°C
-5°C
-7°C
46%
64%
2.9 m/s
0
0
1
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 Gravenhurst weather by season
Year round, Gravenhurst has days of about -6°C at their warmest in January, its coolest month, and 24°C in July, its warmest; the coolest hours of the day run from -9°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 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.
Gravenhurst weather in winterDecember to February
High -4°CLow -7°CRain 43%
Winter in Gravenhurst has typical daily highs of about -4°C and lows of about -7°C, with a 43% chance of rain on a given day.
Gravenhurst weather in springMarch to May
High 8°CLow 2°CRain 41%
Spring in Gravenhurst has typical daily highs of about 8°C and lows of about 2°C, with a 41% chance of rain on a given day.
Gravenhurst weather in summerJune to August
High 23°CLow 15°CRain 37%
Summer in Gravenhurst has typical daily highs of about 23°C and lows of about 15°C, with a 37% chance of rain on a given day.
Gravenhurst weather in autumnSeptember to November
High 12°CLow 6°CRain 41%
Autumn in Gravenhurst has typical daily highs of about 12°C and lows of about 6°C, with a 41% chance of rain on a given day.
When is the rainy season in Gravenhurst?
Gravenhurst has no sharply defined rainy season: the chance of rain on a given day runs from 35% in July, the driest month, to 46% in December, the wettest.
What time of year is Gravenhurst windiest?
Winds in Gravenhurst are highest in March, averaging 3.2 m/s (12 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Gravenhurst year round?
The average temperature in Gravenhurst over the whole year is 7°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -9°C.