Annual mean 8°C · wettest around January · prevailing wind SW
Warmest
25.5 °C
Coldest
-5.4 °C
Wettest
58%
Windiest
3.0 m/s
Prevailing
SW
2.5 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 Brockville 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 -8°C. Brockville has no sharply defined rainy season: the chance of rain on a given day runs from 32% in September, the driest month, to 48% in January, the wettest. Winds in Brockville are highest in March, averaging 2.3 m/s (8 km/h), and lightest in September, at 1.4 m/s (5 km/h). The prevailing wind is from the SW. The clearest skies in Brockville come in July, when the sky is typically 26% covered; December is the cloudiest month, at 43%.
Month by month Brockville 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
-5°C
-8°C
-10°C
48%
42%
2.1 m/s
0
0
0
February
-3°C
-7°C
-8°C
37%
39%
2.2 m/s
0
0
2
March
3°C
-3°C
-2°C
42%
34%
2.3 m/s
1
0
11
April
9°C
3°C
5°C
41%
34%
2.3 m/s
8
0
37
May
17°C
10°C
14°C
36%
30%
1.9 m/s
43
8
66
June
22°C
16°C
21°C
37%
30%
1.8 m/s
69
28
55
July
25°C
19°C
26°C
36%
26%
1.5 m/s
60
57
27
August
24°C
17°C
25°C
38%
28%
1.5 m/s
66
48
34
September
20°C
13°C
19°C
32%
27%
1.4 m/s
66
19
66
October
14°C
8°C
11°C
36%
34%
1.8 m/s
28
3
61
November
5°C
1°C
1°C
39%
37%
2.1 m/s
5
0
18
December
-1°C
-4°C
-6°C
47%
43%
2.1 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 Brockville weather by season
Year round, Brockville has days of about -5°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -8°C to 19°C through the year, and the average temperature over the year is 8°C around the clock. Rain is most likely around January 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.
Brockville weather in winterDecember to February
High -3°CLow -6°CRain 44%
Winter in Brockville has typical daily highs of about -3°C and lows of about -6°C, with a 44% chance of rain on a given day.
Brockville weather in springMarch to May
High 9°CLow 4°CRain 39%
Spring in Brockville has typical daily highs of about 9°C and lows of about 4°C, with a 39% chance of rain on a given day.
Brockville weather in summerJune to August
High 24°CLow 17°CRain 37%
Summer in Brockville has typical daily highs of about 24°C and lows of about 17°C, with a 37% chance of rain on a given day.
Brockville weather in autumnSeptember to November
High 13°CLow 7°CRain 36%
Autumn in Brockville has typical daily highs of about 13°C and lows of about 7°C, with a 36% chance of rain on a given day.
When is the rainy season in Brockville?
Brockville has no sharply defined rainy season: the chance of rain on a given day runs from 32% in September, the driest month, to 48% in January, the wettest.
What time of year is Brockville windiest?
Winds in Brockville are highest in March, averaging 2.3 m/s (8 km/h), and lightest in September, at 1.4 m/s (5 km/h). The prevailing wind is from the SW.
What is the average temperature in Brockville year round?
The average temperature in Brockville 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 -8°C.