Green River weather by month

Check out Green River weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Green River (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	-2	1	6	12	18	24	28	27	21	15	5	-1
Min temperature (night-time)	-15	-13	-8	-3	1	6	9	7	2	-4	-9	-14
Heat & Humidity	0	0	0	0	0	0	L	L	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Green River

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	6	7	8	9	10	11	11	10	9	8	6	5
Daily hours of daylight	10	11	12	13	15	15	15	14	12	11	10	9
UV Index (Maximum)	2	3	5	6	9	10	10	9	7	4	2	1

Rainfall in Green River

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	7	7	9	9	9	7	7	6	7	6	7	7
Average monthly rainfall (mm)	14	12	18	21	31	25	19	19	21	20	14	13

More about Green River

Green River by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Wyoming (Green River) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Green River?

Green River has a cold semi arid climate with warm summers.

Green River weather in January

Expect daytime maximum temperatures of -2°C in Green River, Wyoming in January based on long-term weather averages. There are 6 hours of sunshine per day on average, which might fall as snow.

-2
-2°C max day temperature
6
6 hours of sunshine per day
7
7 days with some rainfall
-15
-15°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
14
14 mm of monthly rainfall
2
2 (Low) UV index

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Green River weather in February

Expect daytime maximum temperatures of 1°C in Green River, Wyoming in February based on long-term weather averages. There are 7 hours of sunshine per day on average, which might fall as snow.

1
1°C max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
-13
-13°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
12
12 mm of monthly rainfall
3
3 (Moderate) UV index

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Green River weather in March

Expect daytime maximum temperatures of 6°C in Green River, Wyoming in March based on long-term weather averages. There are 8 hours of sunshine per day on average, which might fall as snow.

6
6°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
-8
-8°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
18
18 mm of monthly rainfall
5
5 (Moderate) UV index

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Green River weather in April

Expect daytime maximum temperatures of 12°C in Green River, Wyoming in April based on long-term weather averages. There are 9 hours of sunshine per day on average.

12
12°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
-3
-3°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
21
21 mm of monthly rainfall
6
6 (High) UV index

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Green River weather in May

Expect daytime maximum temperatures of 18°C in Green River, Wyoming in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

18
18°C max day temperature
10
10 hours of sunshine per day
9
9 days with some rainfall
1
1°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
31
31 mm of monthly rainfall
9
9 (Very High) UV index

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Green River weather in June

Expect daytime maximum temperatures of 24°C in Green River, Wyoming in June based on long-term weather averages. There are 11 hours of sunshine per day on average.

24
24°C max day temperature
11
11 hours of sunshine per day
7
7 days with some rainfall
6
6°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
25
25 mm of monthly rainfall
10
10 (Very High) UV index

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Green River weather in July

Expect daytime maximum temperatures of 28°C in Green River, Wyoming in July based on long-term weather averages. There are 11 hours of sunshine per day on average.

28
28°C max day temperature
11
11 hours of sunshine per day
7
7 days with some rainfall
9
9°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
19
19 mm of monthly rainfall
10
10 (Very High) UV index

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Green River weather in August

Expect daytime maximum temperatures of 27°C in Green River, Wyoming in August based on long-term weather averages. There are 10 hours of sunshine per day on average.

27
27°C max day temperature
10
10 hours of sunshine per day
6
6 days with some rainfall
7
7°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
19
19 mm of monthly rainfall
9
9 (Very High) UV index

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Green River weather in September

Expect daytime maximum temperatures of 21°C in Green River, Wyoming in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

21
21°C max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
2
2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
21
21 mm of monthly rainfall
7
7 (High) UV index

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Green River weather in October

Expect daytime maximum temperatures of 15°C in Green River, Wyoming in October based on long-term weather averages. There are 8 hours of sunshine per day on average.

15
15°C max day temperature
8
8 hours of sunshine per day
6
6 days with some rainfall
-4
-4°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
20
20 mm of monthly rainfall
4
4 (Moderate) UV index

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Green River weather in November

Expect daytime maximum temperatures of 5°C in Green River, Wyoming in November based on long-term weather averages. There are 6 hours of sunshine per day on average, which might fall as snow.

5
5°C max day temperature
6
6 hours of sunshine per day
7
7 days with some rainfall
-9
-9°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
14
14 mm of monthly rainfall
2
2 (Low) UV index

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Green River weather in December

Expect daytime maximum temperatures of -1°C in Green River, Wyoming in December based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.