October weather forecast
Jackson, WY

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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 October

With October setting in, autumn exhibits its full flavour in Jackson. The temperatures continue to drop, plunging to more somber values between 26.4°F (-3.1°C) to 45.5°F (7.5°C). While snowfall gains momentum, amassing 12.2" (310mm) over the month, the city begins its transformation into a winter wonderland. Colorful fall foliage gracing the cityscape, coupled with the indistinct transition towards winter, creates a panorama worth beholding.

Temperature

As Jackson, Wyoming, welcomes October, there is a noticeable shift in the average high-temperature, dropping from September's refreshing 62.8°F (17.1°C) to a chilly 45.5°F (7.5°C). Jackson records an average nighttime low-temperature of 26.4°F (-3.1°C) throughout October.

Humidity

In Jackson, the average relative humidity in October is 72%.

Rainfall

In October, the rain falls for 7.3 days. Throughout October, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 103 rainfall days, and 29.84" (758mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In Jackson, during October, snow falls for 13.3 days and regularly aggregates up to 12.2" (310mm) of snow. In Jackson, Wyoming, 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 in October is 11h and 0min.
On the first day of the month, sunrise is at 7:21 am and sunset at 7:03 pm. On the last day of October, sunrise is at 7:58 am and sunset at 6:15 pm MDT.

Sunshine

In October, the average sunshine in Jackson is 6.2h.

UV index

The months with the lowest UV index in Jackson are January through April, October through December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 1 in October suggests the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are the temperatures in Jackson in October?

Jackson in October has an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 26.4°F (-3.1°C).

What is the average humidity in October in Jackson?

In Jackson, Wyoming, the average relative humidity in October is 72%.

How much does it rain in Jackson in October?

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

How much does it snow in Jackson in October?

In Jackson, in October, snow falls for 13.3 days, with typically accumulated 12.2" (310mm) of snow.

How many hours of daylight does Jackson have in October?

In Jackson, Wyoming, the average day length in October is 11h and 0min.

When is the sunrise / sunset in October in Jackson?

In October, on the first day of the month, sunrise is at 7:21 am and sunset at 7:03 pm. On the last day of the month, in Jackson, Wyoming, sunrise is at 7:58 am and sunset at 6:15 pm MDT.

How many hours of sunshine does Jackson have in October?

In Jackson, the average sunshine duration 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.

What is the UV index intensity in October in Jackson?

In October, the average daily maximum UV index in Jackson, Wyoming, is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Jackson, WY

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: 26.4°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 in October
Jackson, WY

Average pressure in October - Jackson, WY
  • Average pressure in October: 30.06"Hg

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 in October
Jackson, WY

Average wind speed in October - Jackson, WY
  • Average wind speed in October: 4.7mph

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 humidity in October
Jackson, WY

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%).

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Average rainfall in October
Jackson, WY

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 least rainfall) is August (1.34").

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Average rainfall days in October
Jackson, WY

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 least rainy days is January (2.9 days).

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Average snowfall in October
Jackson, WY

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 least snowfall is August (0.12").

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Average snowfall days in October
Jackson, WY

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 least snowfall days is July (0.4 days).

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Average daylight in October /
Average sunshine in October
Jackson, WY

Average daylight in October / Average sunshine in October - Jackson, WY
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 6h 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 in October
Jackson, WY

Average sunshine days in October - Jackson, WY
  • Average sunshine days in October: 14.7 days

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 in October
Jackson, WY

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

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Average cloud cover in October
Jackson, WY

Average cloud cover in October - Jackson, WY
  • Average cloud cover in October: 36

The month with the most cloud cover is February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 16).

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Average visibility in October
Jackson, WY

Average visibility in October - Jackson, WY
  • Average visibility in October: 5mi

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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Jackson, Wyoming, USA

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