Annual mean 20°C · wettest around August · prevailing wind SW
Warmest
32.0 °C
Coldest
13.9 °C
Wettest
50%
Windiest
4.7 m/s
Prevailing
SW
3.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Richmond Hill over the whole year is 20°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 7°C. Richmond Hill has no sharply defined rainy season: the chance of rain on a given day runs from 34% in October, the driest month, to 44% in August, the wettest. Winds in Richmond Hill are highest in March, averaging 3.1 m/s (11 km/h), and lightest in July, at 2.3 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Richmond Hill come in April, when the sky is typically 35% covered; December is the cloudiest month, at 45%.
Month by month Richmond Hill 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
14°C
7°C
11°C
38%
39%
2.8 m/s
30
4
59
February
18°C
11°C
16°C
35%
43%
2.8 m/s
52
12
63
March
21°C
12°C
18°C
40%
38%
3.1 m/s
61
17
61
April
24°C
15°C
22°C
36%
35%
3.0 m/s
69
35
46
May
27°C
20°C
28°C
41%
38%
2.8 m/s
40
57
16
June
30°C
24°C
33°C
41%
42%
2.6 m/s
10
47
2
July
32°C
25°C
35°C
41%
38%
2.3 m/s
2
24
0
August
31°C
24°C
34°C
44%
42%
2.3 m/s
4
30
0
September
29°C
22°C
31°C
38%
40%
2.5 m/s
19
54
5
October
25°C
17°C
26°C
34%
35%
2.5 m/s
54
49
29
November
20°C
12°C
18°C
36%
41%
2.6 m/s
58
18
62
December
16°C
9°C
14°C
36%
45%
2.6 m/s
45
6
64
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 Richmond Hill weather by season
Year round, Richmond Hill has days of about 14°C at their warmest in January, its coolest month, and 32°C in July, its warmest; the coolest hours of the day run from 7°C to 25°C through the year, and the average temperature over the year is 20°C around the clock. Rain is most likely around August and least likely around October. 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.
Richmond Hill weather in winterDecember to February
High 16°CLow 9°CRain 37%
Winter in Richmond Hill has typical daily highs of about 16°C and lows of about 9°C, with a 37% chance of rain on a given day.
Richmond Hill weather in springMarch to May
High 24°CLow 16°CRain 39%
Spring in Richmond Hill has typical daily highs of about 24°C and lows of about 16°C, with a 39% chance of rain on a given day.
Richmond Hill weather in summerJune to August
High 31°CLow 24°CRain 42%
Summer in Richmond Hill has typical daily highs of about 31°C and lows of about 24°C, with a 42% chance of rain on a given day.
Richmond Hill weather in autumnSeptember to November
High 25°CLow 17°CRain 36%
Autumn in Richmond Hill has typical daily highs of about 25°C and lows of about 17°C, with a 36% chance of rain on a given day.
When is the rainy season in Richmond Hill?
Richmond Hill has no sharply defined rainy season: the chance of rain on a given day runs from 34% in October, the driest month, to 44% in August, the wettest.
What time of year is Richmond Hill windiest?
Winds in Richmond Hill are highest in March, averaging 3.1 m/s (11 km/h), and lightest in July, at 2.3 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Richmond Hill year round?
The average temperature in Richmond Hill over the whole year is 20°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 7°C.