August 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
August, the last month of the summer, in Jackson, is another warm month, with average temperature ranging between min. 39.2°F (4°C) and max. 81°F (27.2°C).

Temperature

In Jackson, in August, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 39.2°F (4°C).

Rainfall

In Jackson, during August, the rain falls for 8.7 days and regularly aggregates up to 1.3" (33.5mm) of precipitation. Throughout the year, there are 108.5 rainfall days, and 16.8" (426.2mm) of precipitation is accumulated.

Snowfall

In Jackson, it doesn't snow. In September, it regularly snows. Throughout the year, in Jackson, Wyoming, 71.4" (1813.5mm) of snow is accumulated.

Daylight

In August, the average length of the day in Jackson is 13.9h.

Sunshine

In August, the average sunshine is 10h.

UV index

In Jackson, the average daily maximum UV index in August is 9. A UV Index estimate of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
The average daily UV index of 9 transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in August in Jackson?

In August, in Jackson, Wyoming, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 39.2°F (4°C).

How much does it rain in Jackson in August?

In Jackson, Wyoming, in August, during 8.7 rainfall days, 1.3" (33.5mm) of precipitation is typically accumulated.

Does it snow in Jackson in August?

In Jackson, Wyoming, in August, it doesn't snow. In September, it regularly snows.

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

In August, the average length of the day is 13.9h.

How many hours of sunshine does Jackson have in August?

In August, the average sunshine in Jackson is 10h.

What is the UV index intensity in August in Jackson?

The average daily maximum UV index in August is 9. A UV Index reading of 8 to 10 represents a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in August - Jackson, WY
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (81.9°F).
Months with the lowest average high temperature are January and December (28.2°F).

  • Average low temperature in August: 39.2°F

The month with the highest average low temperature is July (40.9°F).
The coldest month (with the lowest average low temperature) is January (5°F).

Average rainfall in August - Jackson, WY
  • Average rainfall in August: 1.3"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the lowest rainfall) is February (1.1").

Average rainfall days in August - Jackson, WY
  • Average rainfall days in August: 8.7 days

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 in August - Jackson, WY
  • Average snowfall in August: 0"

The month with the highest snowfall is December (18.6").
Months with the lowest snowfall are July and August (0").

Average snowfall days in August - Jackson, WY
  • Average snowfall days in August: 0 days

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 in August / Average sunshine in August - Jackson, WY
  • Average daylight in August: 13.9h

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 August: 10h

Months with most sunshine are June and July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in August - Jackson, WY
  • Average UV index in August: 9

The month with the highest UV index is July (UV index 10).
The month with the lowest UV index is December (UV index 1).

deutscheenglishespañolрусский中文