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

October 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
October, like September, is a frosty autumn month in Jackson, Wyoming, with average temperature fluctuating between 45.5°F (7.5°C) and 32°F (0°C).

Temperature

In October, the average high-temperature declines considerably, from an enjoyable 62.8°F (17.1°C) in September, to a frosty 45.5°F (7.5°C). In Jackson, in October, the average low-temperature is 32°F (0°C).

Humidity

The average relative humidity in October is 72%.

Rainfall

In Jackson, it is raining for 7.3 days, with typically 1.93" (49mm) of accumulated precipitation. In Jackson, during the entire year, the rain falls for 103 days and collects up to 29.84" (758mm) of precipitation.

Snowfall

Months with snowfall are January through December. In October, in Jackson, Wyoming, it is snowing for 13.3 days. Throughout October, 12.2" (310mm) of snow is accumulated. In Jackson, during the entire year, snow falls for 173.6 days, and aggregates up to 181.26" (4604mm) of snow.

Daylight

In Jackson, Wyoming, the average length of the day is 11h.

Sunshine

The average sunshine in Jackson is 6.2h.

UV index

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Jackson?

In Jackson, Wyoming, in October, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 32°F (0°C).

What is the average humidity in October in Jackson?

The average relative humidity in October in Jackson is 72%.

How much does it rain in Jackson in October?

In Jackson, Wyoming, in October, during 7.3 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

How many days does it snow in October in Jackson?

In Jackson, in October, during 13.3 snowfall days, 12.2" (310mm) of snow is typically accumulated.

How many hours of daylight does Jackson have in October?

The average length of the day in October in Jackson is 11h.

How long on average sun shines in October in Jackson?

The average sunshine in October is 6.2h.

When is the lowest UV index in Jackson?

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

How high is the UV index in October in Jackson?

The average daily maximum UV index in October in Jackson is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in October - Jackson, WY
  • Average high temperature in October: 45.5°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 October: 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 October - Jackson, WY
  • Average humidity in October: 72%

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

Average rainfall in October - Jackson, WY
  • Average rainfall in October: 1.93"

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 October - Jackson, WY
  • Average rainfall days in October: 7.3 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 October - Jackson, WY
  • Average snowfall in October: 12.2"

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

Average snowfall days in October - Jackson, WY
  • Average snowfall days in October: 13.3 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 October / Average sunshine in October - Jackson, WY
  • Average daylight in October: 11h

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 October: 6.2h

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 October - Jackson, WY
  • Average UV index in October: 1

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).