Annual mean 8°C · wettest around December · prevailing wind W
Warmest
25.7 °C
Coldest
-6.3 °C
Wettest
35%
Windiest
3.5 m/s
Prevailing
W
2.9 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 North Grenville over the whole year is 8°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -9°C. North Grenville has no sharply defined rainy season: the chance of rain on a given day runs from 19% in September, the driest month, to 31% in December, the wettest. Winds in North Grenville are highest in March, averaging 2.6 m/s (9 km/h), and lightest in September, at 1.6 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in North Grenville come in July, when the sky is typically 33% covered; December is the cloudiest month, at 49%.
Month by month North Grenville 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
28%
49%
2.4 m/s
0
0
0
February
-4°C
-8°C
-9°C
26%
44%
2.5 m/s
0
0
2
March
2°C
-4°C
-3°C
27%
40%
2.6 m/s
0
0
9
April
9°C
2°C
4°C
29%
40%
2.6 m/s
8
0
35
May
17°C
10°C
14°C
22%
37%
2.2 m/s
44
9
66
June
22°C
15°C
21°C
23%
37%
2.1 m/s
70
27
58
July
25°C
18°C
26°C
20%
33%
1.8 m/s
64
56
29
August
24°C
16°C
24°C
21%
34%
1.7 m/s
70
47
38
September
20°C
12°C
19°C
19%
34%
1.6 m/s
66
19
67
October
13°C
7°C
10°C
24%
41%
2.0 m/s
27
2
60
November
4°C
0°C
-0°C
25%
44%
2.4 m/s
4
0
16
December
-2°C
-5°C
-7°C
31%
49%
2.4 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 North Grenville weather by season
Year round, North Grenville 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 8°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.
North Grenville weather in winterDecember to February
High -4°CLow -7°CRain 28%
Winter in North Grenville has typical daily highs of about -4°C and lows of about -7°C, with a 28% chance of rain on a given day.
North Grenville weather in springMarch to May
High 9°CLow 3°CRain 26%
Spring in North Grenville has typical daily highs of about 9°C and lows of about 3°C, with a 26% chance of rain on a given day.
North Grenville weather in summerJune to August
High 24°CLow 17°CRain 21%
Summer in North Grenville has typical daily highs of about 24°C and lows of about 17°C, with a 21% chance of rain on a given day.
North Grenville weather in autumnSeptember to November
High 13°CLow 6°CRain 23%
Autumn in North Grenville has typical daily highs of about 13°C and lows of about 6°C, with a 23% chance of rain on a given day.
When is the rainy season in North Grenville?
North Grenville has no sharply defined rainy season: the chance of rain on a given day runs from 19% in September, the driest month, to 31% in December, the wettest.
What time of year is North Grenville windiest?
Winds in North Grenville are highest in March, averaging 2.6 m/s (9 km/h), and lightest in September, at 1.6 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in North Grenville year round?
The average temperature in North Grenville over the whole year is 8°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -9°C.