October weather forecast
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

Weather in October

October, like September, is a frosty autumn month in Jackson, Wyoming, with an average temperature varying between 45.5°F (7.5°C) and 26.4°F (-3.1°C).

Temperature

In October, the average high-temperature declines considerably from an enjoyable 62.8°F (17.1°C) in September to a chilly 45.5°F (7.5°C). The average low-temperature, in Jackson, is 26.4°F (-3.1°C).

Humidity

The average relative humidity in October is 72%.

Rainfall

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

Snowfall

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

Daylight

The average length of the day in October is 11h and 0min.
On the first day of the month, sunrise is at 7:20 am and sunset at 7:04 pm. On the last day of October, sunrise is at 7:57 am and sunset at 6:16 pm MDT.

Sunshine

In October, the average sunshine 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 low health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 1 in October interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Jackson?

In Jackson, in October, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 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 many days does it rain in October in Jackson?

In Jackson, Wyoming, in October, it is raining for 7.3 days, with typically 1.93" (49mm) of accumulated precipitation.

How much does it snow in Jackson in October?

In Jackson, Wyoming, during October, snow falls for 13.3 days and regularly aggregates up to 12.2" (310mm) of snow.

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

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

What time are sunrise and sunset in October in Jackson?

On the first day of October in Jackson, sunrise is at 7:20 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 6:16 pm MDT.

How long on average sun shines in October in Jackson?

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

When is the lowest UV index in Jackson?

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

What is the UV index intensity in October in Jackson?

In Jackson, Wyoming, the average daily maximum UV index in October is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
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 22min).
The month with the shortest days is December (Average daylight: 9h and 1min).

  • Average sunshine in October: 6h and 12min

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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