Climate and monthly weather forecast
Jackson, WY

A calm and clear river and vast green fields approaching the iconic white mountains within the Grand Teton National Park in Jackson, Wyoming
A calm and clear river and vast green fields approaching the iconic white mountains within the Grand Teton National Park in Jackson, Wyoming

Weather in January

January, the same as December, in Jackson, Wyoming, is another subzero cold winter month, with an average temperature ranging between min 4.8°F (-15.1°C) and max 23.5°F (-4.7°C). In January, the average high-temperature is essentially the same as in December - a still freezing cold 23.5°F (-4.7°C). Weather in January »

Weather in February

February, the last month of the winter in Jackson, is also a subzero cold month, with temperature in the range of an average low of 7.2°F (-13.8°C) and an average high of 24.3°F (-4.3°C). In February, the average high-temperature is practically the same as in January - a still subzero cold 24.3°F (-4.3°C). Weather in February »

Weather in March

The first month of the spring, March, is still a freezing cold month in Jackson, Wyoming, with an average temperature fluctuating between 30.6°F (-0.8°C) and 14.4°F (-9.8°C). In March, the average high-temperature slightly increases from a freezing cold 24.3°F (-4.3°C) in February to a still subzero cold 30.6°F (-0.8°C). Weather in March »

Weather in April

April in Jackson, Wyoming, is a cold spring month, with an average temperature ranging between min 20.3°F (-6.5°C) and max 37.8°F (3.2°C). In April, the average high-temperature marginally rises from a freezing cold 30.6°F (-0.8°C) in March to a cold 37.8°F (3.2°C). Weather in April »

Weather in May

May, the last month of the spring in Jackson, is a cool month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 50.5°F (10.3°C). In May, the average high-temperature increases from a wintry 37.8°F (3.2°C) in April to a cool 50.5°F (10.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Jackson, Wyoming, with an average temperature fluctuating between 63°F (17.2°C) and 36.7°F (2.6°C). In June, the average high-temperature increases from a cool 50.5°F (10.3°C) in May to an enjoyable 63°F (17.2°C). Weather in June »

Weather in July

July in Jackson, Wyoming, is a moderately hot summer month, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 73.4°F (23°C). July is the warmest month, with an average high-temperature of 73.4°F (23°C) and an average low-temperature of 43.5°F (6.4°C). Weather in July »

Weather in August

August, the last month of the summer in Jackson, is also an agreeable month, with an average temperature fluctuating between 43.3°F (6.3°C) and 72.1°F (22.3°C). In Jackson, Wyoming, the average high-temperature in August is relatively the same as in July - an agreeable 72.1°F (22.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Jackson, is still a comfortable month, with an average temperature varying between 37.2°F (2.9°C) and 62.8°F (17.1°C). In Jackson, the average high-temperature in September decreases from an agreeable 72.1°F (22.3°C) in August to a comfortable 62.8°F (17.1°C). Weather in September »

Weather in October

October, like September, is another chilly autumn month in Jackson, Wyoming, with an average temperature ranging between min 26.4°F (-3.1°C) and max 45.5°F (7.5°C). In October, the average high-temperature significantly decreases from a comfortable 62.8°F (17.1°C) in September to a frosty 45.5°F (7.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Jackson, is also a wintry month, with an average temperature varying between 32°F (0°C) and 15.1°F (-9.4°C). In Jackson, Wyoming, the average high-temperature in November decreases from a chilly 45.5°F (7.5°C) in October to a wintry 32°F (0°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Jackson, Wyoming, with temperature in the range of an average high of 21.9°F (-5.6°C) and an average low of 5.2°F (-14.9°C). With an average high-temperature of 21.9°F (-5.6°C) and an average low-temperature of 5.2°F (-14.9°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in Jackson?

In Jackson, during the entire year, the rain falls for 103 days and collects up to 29.84" (758mm) of precipitation.

When does it snow in Jackson?

January through December are months with snowfall in Jackson.

How much does it snow in Jackson?

Throughout the year, in Jackson, Wyoming, there are 173.6 snowfall days, and 181.26" (4604mm) of snow is accumulated.

What are the months with the lowest UV index in Jackson?

The months with the lowest UV index in Jackson are January through April, October through December, with an average maximum UV index of 1.

What is the most humid month in Jackson?

February is the most humid month in Jackson, Wyoming, with an average relative humidity of 94%.

What is the wettest month in Jackson?

February is the month with the most rainfall. Rain falls for 3.9 days and accumulates 3.54" (90mm) of precipitation.

What is the snowiest month in Jackson?

The month with the most snowfall in Jackson, Wyoming, is February, when snow falls for 23.7 days and typically aggregates up to 29.33" (745mm) of snow.

What is the month with the least sunshine in Jackson?

February has the least sunshine of the year in Jackson, with an average of 3.4h of sunshine.

When is Daylight Saving Time (DST) in Jackson?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

When are the longest days in Jackson?

The month with the longest days is June, with an average of 15h and 22min of daylight.

What is the warmest month in Jackson?

July is the warmest month, with an average high-temperature of 73.4°F (23°C) and an average low-temperature of 43.5°F (6.4°C).

What month has the most sunshine in Jackson?

The month with the most sunshine in Jackson, Wyoming, is July, with an average of 11.6h of sunshine.

What is the month with the highest UV index in Jackson?

July is the month with the highest UV index in Jackson, Wyoming, with an average maximum UV index of 5.

What is the least humid month in Jackson?

With an average relative humidity of 50%, August is the least humid month.

What is the driest month in Jackson?

August is the month with the least rainfall in Jackson. Rain falls for 11.8 days and accumulates 1.34" (34mm) of precipitation.

When it does not snow in Jackson?

The month with the least snowfall is August, when snow falls for 0.5 days and typically aggregates up to 0.12" (3mm) of snow.

What is the coldest month in Jackson?

December is the coldest month, with an average high-temperature of 21.9°F (-5.6°C) and an average low-temperature of 5.2°F (-14.9°C).

What is the month with the shortest days in Jackson?

December has the shortest days of the year in Jackson, with an average of 9h and 1min of daylight.

Average temperature
Jackson, WY

Average temperature - Jackson, WY

The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is December (21.9°F).

The month with the highest average low temperature is July (43.5°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

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Average pressure
Jackson, WY

Average pressure - Jackson, WY

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Jackson, WY

Average wind speed - Jackson, WY

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).

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Average rainfall
Jackson, WY

Average rainfall - Jackson, WY

The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is August (1.34").

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Average rainfall days
Jackson, WY

Average rainfall days - Jackson, WY

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall
Jackson, WY

Average snowfall - Jackson, WY

The month with the highest snowfall is February (29.33").
The month with the least snowfall is August (0.12").

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Average snowfall days
Jackson, WY

Average snowfall days - Jackson, WY

The month with the highest number of snowfall days is March (24.8 days).
The month with the least snowfall days is July (0.4 days).

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Average daylight / Average sunshine
Jackson, WY

Average daylight / Average sunshine - Jackson, WY

The month with the longest days is June (Average daylight: 15h and 22min).
The month with the shortest days is December (Average daylight: 9h and 1min).

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

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Average sunshine days
Jackson, WY

Average sunshine days - Jackson, WY

The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (3.8 days).

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Average UV index
Jackson, WY

Average UV index - Jackson, WY

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

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Average visibility
Jackson, WY

Average visibility - Jackson, WY

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (3mi).

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