October weather forecast
Jackson, MT

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Weather in October

October, like September, is another chilly autumn month in Jackson, Montana, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 30.4°F (-0.9°C).

Temperature

The start of October signals a clear decrease in the average high-temperature, falling from a comfortable 65.3°F (18.5°C) in September to a frosty 48.7°F (9.3°C). During the month of October, Jackson's nighttime temperature lowers to an average of 30.4°F (-0.9°C).

Humidity

In Jackson, the average relative humidity in October is 64%.

Rainfall

In Jackson, Montana, in October, during 12.7 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 129.5 rainfall days, and 12.4" (315mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Jackson, Montana. In Jackson, in October, during 3.1 snowfall days, 1.65" (42mm) of snow is typically accumulated. Throughout the year, in Jackson, there are 63.5 snowfall days, and 22.76" (578mm) of snow is accumulated.

Daylight

In Jackson, the average length of the day in October is 10h and 56min.
On the first day of the month, sunrise is at 7:32 am and sunset at 7:13 pm. On the last day of October, sunrise is at 8:12 am and sunset at 6:21 pm MDT.

Sunshine

The average sunshine in October in Jackson is 7.4h.

UV index

In October, the average daily maximum UV index in Jackson is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 2 in October leads to these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the temperatures in Jackson in October?

Jackson in October has an average high-temperature of 48.7°F (9.3°C) and an average low-temperature of 30.4°F (-0.9°C).

What is the average humidity in October in Jackson?

In October, the average relative humidity in Jackson, Montana, is 64%.

How many days does it rain in October in Jackson?

In October, the rain falls for 12.7 days. Throughout October, 1.1" (28mm) of precipitation is accumulated.

How much does it snow in Jackson in October?

In Jackson, Montana, in October, during 3.1 snowfall days, 1.65" (42mm) of snow is typically accumulated.

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

In Jackson, the average day length in October is 10h and 56min.

When are sunrise and sunset in October in Jackson?

In October, on the first day of the month, sunrise is at 7:32 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 6:21 pm MDT.

How many hours of sunshine does Jackson have in October?

In Jackson, the average sunshine duration in October is 7.4h.

What is the UV index intensity in October in Jackson?

In Jackson, Montana, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
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, MT

Average temperature in October - Jackson, MT
  • Average high temperature in October: 48.7°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in October: 30.4°F

The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).

Average pressure in October
Jackson, MT

Average pressure in October - Jackson, MT
  • Average pressure in October: 30.07"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Jackson, MT

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

The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in October
Jackson, MT

Average humidity in October - Jackson, MT
  • Average humidity in October: 64%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).

Average rainfall in October
Jackson, MT

Average rainfall in October - Jackson, MT
  • Average rainfall in October: 1.1"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").

Average rainfall days in October
Jackson, MT

Average rainfall days in October - Jackson, MT
  • Average rainfall days in October: 12.7 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in October
Jackson, MT

Average snowfall in October - Jackson, MT
  • Average snowfall in October: 1.65"

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Jackson, MT

Average snowfall days in October - Jackson, MT
  • Average snowfall days in October: 3.1 days

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Jackson, MT
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in October: 7h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in October
Jackson, MT

Average sunshine days in October - Jackson, MT
  • Average sunshine days in October: 15 days

The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).

Average UV index in October
Jackson, MT

Average UV index in October - Jackson, MT
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in October
Jackson, MT

Average cloud cover in October - Jackson, MT
  • Average cloud cover in October: 28

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in October
Jackson, MT

Average visibility in October - Jackson, MT
  • Average visibility in October: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Jackson, Montana, USA

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