Annual mean 10°C · wettest around May · prevailing wind NW
Warmest
29.8 °C
Coldest
0.2 °C
Wettest
69%
Windiest
7.1 m/s
Prevailing
NW
5.5 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 Sterling over the whole year is 10°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -6°C. The rainy (wet) season in Sterling runs from March to October, peaking in May with a 66% chance of rain on a given day. The dry season is November to February; December is the driest month, at 31%. Winds in Sterling are highest in April, averaging 5.4 m/s (19 km/h), and lightest in August, at 3.8 m/s (14 km/h). The prevailing wind is from the NW. The clearest skies in Sterling come in July, when the sky is typically 14% covered; May is the cloudiest month, at 26%.
Month by month Sterling 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
2°C
-6°C
-5°C
38%
22%
4.6 m/s
0
0
5
February
3°C
-6°C
-4°C
38%
22%
4.9 m/s
1
0
13
March
10°C
-2°C
3°C
53%
23%
5.1 m/s
7
0
32
April
14°C
2°C
7°C
59%
24%
5.4 m/s
20
0
47
May
19°C
9°C
14°C
66%
26%
4.9 m/s
44
5
64
June
27°C
16°C
23°C
63%
15%
4.3 m/s
64
42
40
July
30°C
18°C
27°C
60%
14%
4.0 m/s
45
66
17
August
28°C
16°C
26°C
61%
14%
3.8 m/s
56
60
25
September
25°C
11°C
21°C
57%
14%
3.9 m/s
64
34
47
October
17°C
3°C
11°C
57%
16%
4.4 m/s
35
2
59
November
10°C
-1°C
4°C
40%
16%
4.5 m/s
8
0
36
December
5°C
-5°C
-3°C
31%
18%
4.9 m/s
0
0
13
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 Sterling weather by season
Year round, Sterling has days of about 2°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from -6°C to 18°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around May and least likely around December. 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.
Sterling weather in winterDecember to February
High 3°CLow -6°CRain 35%
Winter in Sterling has typical daily highs of about 3°C and lows of about -6°C, with a 35% chance of rain on a given day.
Sterling weather in springMarch to May
High 14°CLow 3°CRain 59%
Spring in Sterling has typical daily highs of about 14°C and lows of about 3°C, with a 59% chance of rain on a given day.
Sterling weather in summerJune to August
High 28°CLow 16°CRain 61%
Summer in Sterling has typical daily highs of about 28°C and lows of about 16°C, with a 61% chance of rain on a given day.
Sterling weather in autumnSeptember to November
High 17°CLow 4°CRain 51%
Autumn in Sterling has typical daily highs of about 17°C and lows of about 4°C, with a 51% chance of rain on a given day.
When is the rainy season in Sterling?
The rainy (wet) season in Sterling runs from March to October, peaking in May with a 66% chance of rain on a given day. The dry season is November to February; December is the driest month, at 31%.
What time of year is Sterling windiest?
Winds in Sterling are highest in April, averaging 5.4 m/s (19 km/h), and lightest in August, at 3.8 m/s (14 km/h). The prevailing wind is from the NW.
What is the average temperature in Sterling year round?
The average temperature in Sterling over the whole year is 10°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -6°C.