Climate and monthly weather forecast
Green River, UT

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Weather in January

January, the same as December, is an icy winter month in Green River, Utah, with an average temperature fluctuating between 21.2°F (-6°C) and 36.1°F (2.3°C). During the coldest month, January, temperatures average a high of 36.1°F (2.3°C) and a low of 21.2°F (-6°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Green River, Utah, with an average temperature varying between 27.9°F (-2.3°C) and 42.6°F (5.9°C). Entering February, Green River notices a subtle temperature elevation, with the average high-temperature advancing from January's wintry 36.1°F (2.3°C) to a still icy 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 temperature in the range of an average low of 37°F (2.8°C) and an average high of 55.2°F (12.9°C). With the onset of March, Green River sees a temperature rise, with the average high-temperature moving from February's cold 42.6°F (5.9°C) to a fresh 55.2°F (12.9°C). Weather in March »

Weather in April

April is a refreshing spring month in Green River, Utah, with an average temperature ranging between min 43.3°F (6.3°C) and max 63.1°F (17.3°C). The onset of April introduces a subtle rise in the average high-temperature, nudging from a cool 55.2°F (12.9°C) in March to a refreshing 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 temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 52°F (11.1°C). As Green River, Utah, transitions into May, the average high-temperature is observed to rise from a refreshing 63.1°F (17.3°C) in April to an agreeable 72.9°F (22.7°C). Weather in May »

Weather in June

June, the first month of the summer in Green River, is a tropical month, with an average temperature fluctuating between 86.9°F (30.5°C) and 63.9°F (17.7°C). Green River's transition into June is marked by a temperature shift, moving 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, like June, is a hot summer month in Green River, Utah, with an average temperature varying between 91°F (32.8°C) and 71.4°F (21.9°C). July, with its average high-temperature of 91°F (32.8°C) and an average low-temperature of 71.4°F (21.9°C), holds the record as the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Green River, is another tropical month, with an average temperature fluctuating between 88.5°F (31.4°C) and 70°F (21.1°C). In Green River, August's average high-temperature stands at a still tropical 88.5°F (31.4°C), closely related to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Green River, is also a moderately hot month, with an average temperature varying between 80.2°F (26.8°C) and 61.7°F (16.5°C). September brings a minor shift in the average high-temperature, adjusting from a hot 88.5°F (31.4°C) in August to a moderately hot 80.2°F (26.8°C). Weather in September »

Weather in October

October, like September, in Green River, Utah, is another comfortable autumn month, with an average temperature fluctuating between 63.5°F (17.5°C) and 46.8°F (8.2°C). In October, the average high-temperature decreases 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 temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 50.7°F (10.4°C). During Green River's transition into November, the average high-temperature lessens, moving from a comfortable 63.5°F (17.5°C) in October to a fresh 50.7°F (10.4°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Green River, Utah, with an average temperature ranging between max 37.9°F (3.3°C) and min 23.4°F (-4.8°C). Green River's December weather features a mild decline in high-temperatures, reducing from a cool 50.7°F (10.4°C) in November to a cold 37.9°F (3.3°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Green River?

January, with an average high of 36.1°F (2.3°C) and a low of 21.2°F (-6°C), signifies the coldest month of the year.

What is the most humid month in Green River?

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

How much does it rain in Green River?

In Green River, 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.

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?

The month with the least sunshine in Green River, Utah, is January, with an average of 6.4h of sunshine.

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 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, 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. 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.

What is the least humid month in Green River?

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

When are the longest days in Green River?

With an average of 14h and 54min of daylight, June has the longest days of the year.

What month has the most sunshine in Green River?

June has the most sunshine of the year, with an average of 12h of sunshine.

What is the month with the highest UV index in Green River?

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

What is the hottest time of year in Green River?

Temperature records mark July as the warmest month, with highs averaging 91°F (32.8°C) and lows at 71.4°F (21.9°C).

What is the rainiest 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?

The month with the most snowfall in Green River, Utah, is December, when snow falls for 4.5 days and typically aggregates up to 1.93" (49mm) of snow.

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

December has the shortest days of the year, with an average of 9h and 30min 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 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

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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Green River, Utah, USA

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