Monthly weather forecast and climate
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

What are the coldest months in Jackson?

January and December, with an average high-temperature of 28.2°F (-2.1°C), are the coldest months.

How much does it rain in Jackson?

Throughout the year, there are 108.5 rainfall days, and 16.8" (426.2mm) of precipitation is accumulated.

When does it snow in Jackson?

Months with snowfall in Jackson are January through June, September through December.

How much does it snow in Jackson?

In Jackson, Wyoming, during the entire year, snow falls for 38.9 days, and aggregates up to 71.4" (1813.5mm) of snow.

What is the driest month in Jackson?

February is the month with the least rainfall. Rain falls for 8 days and accumulates 1.1" (27.2mm) of precipitation.

What is the wettest month in Jackson?

The month with the most rainfall is May when the rain falls for 10.9 days and typically aggregates up to 2.2" (56.1mm) of precipitation.

What is the warmest month in Jackson?

July is the warmest month, with an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 40.8°F (4.9°C).

What is the month with highest UV index in Jackson?

The month with the highest UV index in Jackson is July, with an average UV index of 10.

What is the snowiest month in Jackson?

December is the month with the most snowfall in Jackson. Snow falls for 9.5 days and accumulates 18.6" (472.4mm) of snow.

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

The month with the lowest UV index in Jackson is December, with an average UV index of 1.
Average temperature - Jackson, WY
Average rainfall - Jackson, WY
Average rainfall days - Jackson, WY

The month with the highest number of rainy days is January (11.3 days).
The month with the lowest number of rainy days is July (7.5 days).

Average snowfall days - Jackson, WY

The month with the highest number of snowfall days is January (9.6 days).
Months with the lowest number of snowfall days are July, August and September (0 days).

Average daylight / Average sunshine - Jackson, WY
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