Annual mean 8°C · wettest around May · prevailing wind SW
Warmest
26.4 °C
Coldest
-7.8 °C
Wettest
63%
Windiest
5.4 m/s
Prevailing
SW
4.2 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 Stillwater over the whole year is 8°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -10°C. Stillwater has no sharply defined rainy season: the chance of rain on a given day runs from 53% in January, the driest month, to 62% in May, the wettest. Winds in Stillwater are highest in April, averaging 3.9 m/s (14 km/h), and lightest in July, at 2.6 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Stillwater come in July, when the sky is typically 30% covered; January is the cloudiest month, at 56%.
Month by month Stillwater 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
-7°C
-10°C
-12°C
53%
56%
3.2 m/s
0
0
0
February
-4°C
-10°C
-10°C
54%
40%
3.4 m/s
0
0
3
March
4°C
-2°C
-2°C
59%
46%
3.6 m/s
1
0
11
April
10°C
3°C
4°C
59%
51%
3.9 m/s
10
0
36
May
19°C
11°C
15°C
62%
42%
3.2 m/s
49
8
66
June
24°C
17°C
23°C
62%
36%
3.2 m/s
68
33
46
July
26°C
19°C
26°C
60%
30%
2.6 m/s
59
56
25
August
25°C
17°C
24°C
61%
38%
2.6 m/s
70
42
38
September
21°C
14°C
19°C
59%
37%
2.9 m/s
65
20
62
October
13°C
6°C
9°C
60%
46%
3.2 m/s
23
1
52
November
4°C
-0°C
-1°C
57%
49%
3.4 m/s
4
0
16
December
-3°C
-6°C
-9°C
55%
56%
3.3 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 Stillwater weather by season
Year round, Stillwater has days of about -7°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -10°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 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.
Stillwater weather in winterDecember to February
High -5°CLow -8°CRain 54%
Winter in Stillwater has typical daily highs of about -5°C and lows of about -8°C, with a 54% chance of rain on a given day.
Stillwater weather in springMarch to May
High 11°CLow 4°CRain 60%
Spring in Stillwater has typical daily highs of about 11°C and lows of about 4°C, with a 60% chance of rain on a given day.
Stillwater weather in summerJune to August
High 25°CLow 18°CRain 61%
Summer in Stillwater has typical daily highs of about 25°C and lows of about 18°C, with a 61% chance of rain on a given day.
Stillwater weather in autumnSeptember to November
High 13°CLow 6°CRain 59%
Autumn in Stillwater has typical daily highs of about 13°C and lows of about 6°C, with a 59% chance of rain on a given day.
When is the rainy season in Stillwater?
Stillwater has no sharply defined rainy season: the chance of rain on a given day runs from 53% in January, the driest month, to 62% in May, the wettest.
What time of year is Stillwater windiest?
Winds in Stillwater are highest in April, averaging 3.9 m/s (14 km/h), and lightest in July, at 2.6 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Stillwater year round?
The average temperature in Stillwater over the whole year is 8°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -10°C.