October weather forecast
Cheyenne, WY

A sunny day in front of the State Capitol building in Cheyenne, Wyoming
A sunny day in front of the State Capitol building in Cheyenne, Wyoming

Weather in October

October, the same as September, in Cheyenne, Wyoming, is another mild autumn month, with an average temperature varying between 38.3°F (3.5°C) and 57.2°F (14°C).

Temperature

In Cheyenne, the average high-temperature in October significantly decreases from a warm 73.8°F (23.2°C) in September to a moderate 57.2°F (14°C). In Cheyenne, the average low-temperature is 38.3°F (3.5°C).

Humidity

In Cheyenne, the average relative humidity in October is 51%.

Rainfall

In October, the rain falls for 8 days. Throughout October, 0.91" (23mm) of precipitation is accumulated. In Cheyenne, during the entire year, the rain falls for 116 days and collects up to 14.57" (370mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 3.5 snowfall days, it receives 2.17" (55mm) of snow. In Cheyenne, during the entire year, snow falls for 62 days and aggregates up to 30.51" (775mm) of snow.

Daylight

In Cheyenne, the average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of October, sunrise is at 7:29 am and sunset at 5:56 pm MDT.

Sunshine

In Cheyenne, Wyoming, the average sunshine in October is 7.3h.

UV index

In Cheyenne, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in October in Cheyenne?

In October, the average relative humidity in Cheyenne, Wyoming, is 51%.

How many days does it rain in October in Cheyenne?

In Cheyenne, in October, it is raining for 8 days, with typically 0.91" (23mm) of accumulated precipitation.

When does it start snowing in Cheyenne?

October is the first month it typically snows in Cheyenne, Wyoming. Throughout October, in the average 3.5 snowfall days, it receives 2.17" (55mm) of snow.

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

In Cheyenne, the average day length in October is 11h and 5min.

When are sunrise and sunset in October in Cheyenne?

On the first day of October, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:56 pm MDT.

How long on average sun shines in October in Cheyenne?

In Cheyenne, the average sunshine duration in October is 7.3h.

How high is the UV index in October in Cheyenne?

In October, the average daily maximum UV index in Cheyenne, Wyoming, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Cheyenne, WY

Average temperature in October - Cheyenne, WY
  • Average high temperature in October: 57.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in October: 38.3°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

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Average pressure in October
Cheyenne, WY

Average pressure in October - Cheyenne, WY
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in October
Cheyenne, WY

Average wind speed in October - Cheyenne, WY
  • Average wind speed in October: 11.8mph

The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in October
Cheyenne, WY

Average humidity in October - Cheyenne, WY
  • Average humidity in October: 51%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in October
Cheyenne, WY

Average rainfall in October - Cheyenne, WY
  • Average rainfall in October: 0.91"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in October
Cheyenne, WY

Average rainfall days in October - Cheyenne, WY
  • Average rainfall days in October: 8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall in October
Cheyenne, WY

Average snowfall in October - Cheyenne, WY
  • Average snowfall in October: 2.17"

The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Cheyenne, WY

Average snowfall days in October - Cheyenne, WY
  • Average snowfall days in October: 3.5 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Cheyenne, WY
  • Average daylight in October: 11h and 5min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in October: 7h and 18min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

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Average sunshine days in October
Cheyenne, WY

Average sunshine days in October - Cheyenne, WY
  • Average sunshine days in October: 19.9 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).

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Average UV index in October
Cheyenne, WY

Average UV index in October - Cheyenne, WY
  • Average UV index in October: 3

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Cheyenne, WY

Average cloud cover in October - Cheyenne, WY
  • Average cloud cover in October: 22

The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in October
Cheyenne, WY

Average visibility in October - Cheyenne, WY
  • Average visibility in October: 6mi

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

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