Annual mean 7°C · wettest around May · prevailing wind W
Warmest
28.2 °C
Coldest
-4.4 °C
Wettest
19%
Windiest
6.5 m/s
Prevailing
W
5.3 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 Green River over the whole year is 7°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -9°C. Green River has no sharply defined rainy season: the chance of rain on a given day runs from 5% in December, the driest month, to 18% in May, the wettest. Winds in Green River are highest in February, averaging 5.1 m/s (18 km/h), and lightest in August, at 3.8 m/s (14 km/h). The prevailing wind is from the W. The clearest skies in Green River come in July, when the sky is typically 12% covered; January is the cloudiest month, at 41%.
Month by month Green River 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
-4°C
-9°C
-10°C
8%
41%
4.4 m/s
0
0
0
February
-2°C
-8°C
-9°C
8%
38%
5.1 m/s
0
0
1
March
3°C
-4°C
-3°C
12%
40%
4.6 m/s
0
0
9
April
9°C
-0°C
2°C
15%
39%
5.0 m/s
3
0
27
May
15°C
5°C
8°C
18%
36%
4.6 m/s
22
0
58
June
23°C
12°C
16°C
11%
18%
4.3 m/s
65
7
74
July
27°C
15°C
22°C
5%
12%
3.9 m/s
84
34
52
August
26°C
13°C
20°C
10%
14%
3.8 m/s
84
21
66
September
20°C
8°C
15°C
14%
19%
3.9 m/s
56
5
75
October
11°C
2°C
5°C
8%
26%
4.3 m/s
10
0
45
November
4°C
-3°C
-3°C
6%
30%
4.2 m/s
0
0
10
December
-2°C
-7°C
-9°C
5%
36%
4.4 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 Green River weather by season
Year round, Green River has days of about -4°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -9°C to 15°C through the year, and the average temperature over the year is 7°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.
Green River weather in winterDecember to February
High -3°CLow -8°CRain 7%
Winter in Green River has typical daily highs of about -3°C and lows of about -8°C, with a 7% chance of rain on a given day.
Green River weather in springMarch to May
High 9°CLow 0°CRain 15%
Spring in Green River has typical daily highs of about 9°C and lows of about 0°C, with a 15% chance of rain on a given day.
Green River weather in summerJune to August
High 25°CLow 13°CRain 9%
Summer in Green River has typical daily highs of about 25°C and lows of about 13°C, with a 9% chance of rain on a given day.
Green River weather in autumnSeptember to November
High 12°CLow 2°CRain 10%
Autumn in Green River has typical daily highs of about 12°C and lows of about 2°C, with a 10% chance of rain on a given day.
When is the rainy season in Green River?
Green River has no sharply defined rainy season: the chance of rain on a given day runs from 5% in December, the driest month, to 18% in May, the wettest.
What time of year is Green River windiest?
Winds in Green River are highest in February, averaging 5.1 m/s (18 km/h), and lightest in August, at 3.8 m/s (14 km/h). The prevailing wind is from the W.
What is the average temperature in Green River year round?
The average temperature in Green River over the whole year is 7°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -9°C.