Climate and monthly weather forecast
Green River, UT

Weather in January

January, like December, in Green River, Utah, is a wintry winter month, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 36.1°F (2.3°C). With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 21.2°F (-6°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Green River, is also a wintry month, with an average temperature fluctuating between 27.9°F (-2.3°C) and 42.6°F (5.9°C). In February, the average high-temperature marginally rises from 36.1°F (2.3°C) in January to a still wintry 42.6°F (5.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Green River, Utah, with an average temperature ranging between min 37°F (2.8°C) and max 55.2°F (12.9°C). In March, the average high-temperature rises from a wintry 42.6°F (5.9°C) in February to a fresh 55.2°F (12.9°C). Weather in March »

Weather in April

April in Green River, Utah, is a comfortable spring month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 63.1°F (17.3°C). In Green River, Utah, the average high-temperature in April marginally rises from a cool 55.2°F (12.9°C) in March to an enjoyable 63.1°F (17.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Green River, Utah, with an average temperature varying between 52°F (11.1°C) and 72.9°F (22.7°C). In May, the average high-temperature rises from a comfortable 63.1°F (17.3°C) in April to an agreeable 72.9°F (22.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Green River, Utah, with an average temperature ranging between max 86.9°F (30.5°C) and min 63.9°F (17.7°C). In Green River, the average high-temperature in June rises from an agreeable 72.9°F (22.7°C) in May to a tropical 86.9°F (30.5°C). Weather in June »

Weather in July

July, the same as June, in Green River, Utah, is another hot summer month, with temperature in the range of an average low of 71.4°F (21.9°C) and an average high of 91°F (32.8°C). The warmest month is July, with an average high-temperature of 91°F (32.8°C) and an average low-temperature of 71.4°F (21.9°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Green River, Utah, with temperature in the range of an average high of 88.5°F (31.4°C) and an average low of 70°F (21.1°C). In Green River, the average high-temperature in August is practically the same as in July - a still hot 88.5°F (31.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Green River, is still a warm month, with an average temperature ranging between min 61.7°F (16.5°C) and max 80.2°F (26.8°C). In Green River, the average high-temperature in September slightly decreases from a tropical 88.5°F (31.4°C) in August to a warm 80.2°F (26.8°C). Weather in September »

Weather in October

October, like September, in Green River, Utah, is another enjoyable autumn month, with an average temperature ranging between max 63.5°F (17.5°C) and min 46.8°F (8.2°C). In Green River, the average high-temperature in October declines considerably from a warm 80.2°F (26.8°C) in September to a comfortable 63.5°F (17.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Green River, is also a fresh month, with an average temperature varying between 50.7°F (10.4°C) and 34.3°F (1.3°C). In Green River, the average high-temperature in November decreases from an enjoyable 63.5°F (17.5°C) in October to a fresh 50.7°F (10.4°C). Weather in November »

Weather in December

December, the first month of the winter in Green River, is still a cold month, with an average temperature varying between 23.4°F (-4.8°C) and 37.9°F (3.3°C). In Green River, the average high-temperature in December drops from a fresh 50.7°F (10.4°C) in November to a wintry 37.9°F (3.3°C). Weather in December »
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FAQ

What is the coldest month in Green River?

The coldest month in Green River is January, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 21.2°F (-6°C).

What is the most humid month in Green River?

January is the most humid month in Green River, Utah, with an average relative humidity of 74%.

How many days does it rain in Green River?

In Green River, Utah, during the entire year, the rain falls for 72.7 days and collects up to 5.28" (134mm) of precipitation.

When does it snow in Green River?

January through March, October through December are months with snowfall in Green River, Utah.

How much does it snow in Green River?

In Green River, Utah, during the entire year, snow falls for 16.2 days and aggregates up to 5.16" (131mm) of snow.

What is the month with the least sunshine in Green River?

With an average of 6.4h of sunshine, January has the least sunshine of the year in Green River.

When is the lowest UV index in Green River?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Green River.

When is Daylight Saving Time (DST) in Green River?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from MDT to MST.

What is the driest month in Green River?

April is the month with the least rainfall in Green River, Utah. Rain falls for 7.3 days and accumulates 0.24" (6mm) of precipitation.

When it does not snow in Green River?

April through September are months without snowfall in Green River.

What is the least humid month in Green River?

June is the least humid month in Green River, with an average relative humidity of 21%.

When are the longest days in Green River?

June has the longest days of the year in Green River, Utah, with an average of 14h and 52min of daylight.

What month has the most sunshine in Green River?

The month with the most sunshine is June, with an average of 12h of sunshine.

What are the months with the highest UV index in Green River?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Green River, Utah.

What is the warmest month in Green River?

With an average high-temperature of 91°F (32.8°C) and an average low-temperature of 71.4°F (21.9°C), July is the warmest month in Green River, Utah.

What is the wettest month in Green River?

The month with the most rainfall is July, when the rain falls for 9.1 days and typically aggregates up to 0.75" (19mm) of precipitation.

When does it snow the most in Green River?

December is the month with the most snowfall. Snow falls for 4.5 days and accumulates 1.93" (49mm) of snow.

What is the month with the shortest days in Green River?

The month with the shortest days in Green River, Utah, is December, with an average of 9h and 29min of daylight.

Average temperature
Green River, UT

Average temperature - Green River, UT

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (36.1°F).

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure
Green River, UT

Average pressure - Green River, UT

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed
Green River, UT

Average wind speed - Green River, UT

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (3.5mph).

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Average rainfall
Green River, UT

Average rainfall - Green River, UT

The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is April (0.24").

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Average rainfall days
Green River, UT

Average rainfall days - Green River, UT

The month with the highest number of rainy days is July (9.1 days).
The month with the least rainy days is November (3.8 days).

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Average snowfall
Green River, UT

Average snowfall - Green River, UT

The month with the highest snowfall is December (1.93").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days
Green River, UT

Average snowfall days - Green River, UT

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Green River, UT

Average daylight / Average sunshine - Green River, UT

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).

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Average sunshine days
Green River, UT

Average sunshine days - Green River, UT

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (14.8 days).

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Average UV index
Green River, UT

Average UV index - Green River, UT

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Green River, UT

Average visibility - Green River, UT

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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