Jackson
Wyoming, USA
Long-term weather forecast
Long-term weather forecast

July 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
July is a warm summer month in Jackson, Wyoming, with average temperature ranging between max 73.4°F (23°C) and min 32°F (0°C).

Temperature

July is the warmest month, with an average high-temperature of 73.4°F (23°C) and an average low-temperature of 32°F (0°C).

Humidity

In Jackson, the average relative humidity is 53%.

Rainfall

In Jackson, during July, the rain falls for 11.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 103 rainfall days, and 29.84" (758mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Jackson are January through December. In Jackson, in July, snow falls for 0.4 days, with typically accumulated 0.24" (6mm) of snow. In Jackson, during the entire year, snow falls for 173.6 days, and aggregates up to 181.26" (4604mm) of snow.

Daylight

In Jackson, the average length of the day is 15h.

Sunshine

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

UV index

The month with the highest UV index is July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In July, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the warmest month in Jackson?

July is the warmest month in Jackson, with an average high-temperature of 73.4°F (23°C) and an average low-temperature of 32°F (0°C).

What is the temperature in July in Jackson?

The average high-temperature, in July, in Jackson, Wyoming, is 73.4°F (23°C), while the average low-temperature is 32°F (0°C).

What is the average humidity in July in Jackson?

In July, the average relative humidity in Jackson is 53%.

How much does it rain in Jackson in July?

In Jackson, in July, it is raining for 11.8 days, with typically 1.42" (36mm) of accumulated precipitation.

How much does it snow in Jackson in July?

In July, in Jackson, Wyoming, it is snowing for 0.4 days. Throughout July, 0.24" (6mm) of snow is accumulated.

What is the average length of the day in July in Jackson?

In Jackson, Wyoming, the average length of the day in July is 15h.

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.

How long on average sun shines in July in Jackson?

In Jackson, the average sunshine in July is 11.6h.

When is the highest UV index in Jackson?

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

What is the UV index reading in July in Jackson?

In July, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in July - Jackson, WY
  • Average high temperature in July: 73.4°F

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).

  • Average low temperature in July: 0°F

Months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (0°F).
Coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (0°F).

Average humidity in July - Jackson, WY
  • Average humidity in July: 53%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (50%).

Average rainfall in July - Jackson, WY
  • Average rainfall in July: 1.42"

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

Average rainfall days in July - Jackson, WY
  • Average rainfall days in July: 11.8 days

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

Average snowfall in July - Jackson, WY
  • Average snowfall in July: 0.24"

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

Average snowfall days in July - Jackson, WY
  • Average snowfall days in July: 0.4 days

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

Average daylight in July / Average sunshine in July - Jackson, WY
  • Average daylight in July: 15h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in July: 11.6h

The month with most sunshine is July (Average sunshine: 11.6h).
The month with least sunshine is February (Average sunshine: 3.4h).

Average UV index in July - Jackson, WY
  • Average UV index in July: 5

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