Annual mean 12°C · wettest around May · prevailing wind W
Warmest
28.4 °C
Coldest
0.6 °C
Wettest
24%
Windiest
4.3 m/s
Prevailing
W
3.3 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 Sunbury over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -3°C. Sunbury has no sharply defined rainy season: the chance of rain on a given day runs from 19% in January, the driest month, to 26% in May, the wettest. Winds in Sunbury are highest in March, averaging 3.2 m/s (12 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Sunbury come in July, when the sky is typically 41% covered; January is the cloudiest month, at 59%.
Month by month Sunbury 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
1°C
-3°C
-4°C
19%
59%
2.8 m/s
0
0
5
February
4°C
-1°C
-1°C
23%
54%
2.7 m/s
1
0
13
March
9°C
2°C
3°C
20%
51%
3.2 m/s
8
0
32
April
15°C
7°C
10°C
23%
52%
3.0 m/s
29
3
59
May
20°C
12°C
18°C
26%
54%
2.4 m/s
60
16
66
June
25°C
17°C
24°C
22%
43%
2.2 m/s
66
42
39
July
28°C
20°C
29°C
22%
41%
1.8 m/s
35
67
9
August
27°C
19°C
28°C
21%
45%
1.7 m/s
48
61
18
September
23°C
15°C
22°C
22%
46%
1.7 m/s
71
33
50
October
17°C
9°C
15°C
22%
52%
1.9 m/s
47
8
73
November
9°C
3°C
5°C
21%
46%
2.4 m/s
10
0
37
December
4°C
-0°C
-1°C
23%
58%
2.4 m/s
0
0
11
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 Sunbury weather by season
Year round, Sunbury has days of about 1°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -3°C to 20°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around May and least likely around January. 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.
Sunbury weather in winterDecember to February
High 3°CLow -1°CRain 21%
Winter in Sunbury has typical daily highs of about 3°C and lows of about -1°C, with a 21% chance of rain on a given day.
Sunbury weather in springMarch to May
High 14°CLow 7°CRain 23%
Spring in Sunbury has typical daily highs of about 14°C and lows of about 7°C, with a 23% chance of rain on a given day.
Sunbury weather in summerJune to August
High 27°CLow 19°CRain 22%
Summer in Sunbury has typical daily highs of about 27°C and lows of about 19°C, with a 22% chance of rain on a given day.
Sunbury weather in autumnSeptember to November
High 16°CLow 9°CRain 22%
Autumn in Sunbury has typical daily highs of about 16°C and lows of about 9°C, with a 22% chance of rain on a given day.
When is the rainy season in Sunbury?
Sunbury has no sharply defined rainy season: the chance of rain on a given day runs from 19% in January, the driest month, to 26% in May, the wettest.
What time of year is Sunbury windiest?
Winds in Sunbury are highest in March, averaging 3.2 m/s (12 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Sunbury year round?
The average temperature in Sunbury over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -3°C.