October weather forecast and climate
Cheyenne, WY

A sunny day in the front of the State Capitol building in Cheyenne, Wyoming
A sunny day in the front of the State Capitol building in Cheyenne, Wyoming
October brings the fall to Cheyenne in a spectacular way. The weather is cool and tolerable at night, and mildly warm and pleasant during the day. All water bodies throughout Cheyenne offer a magnificent view of the brown and golden leaves falling off trees with clear reflections in the water.
The parks are a great place to enjoy the day as the temperature remains in the range of 37.4°F (3°C) and 62.6°F (17°C). The days stay warm with up to eight hours of sunshine, and the afternoons receive rainfall for approximately seven days with fairly low precipitation of 0.9" (22.9mm).
The first snowfall arrives with the end of October, for approximately four and a half days collecting at 4.8" (121.9mm).
Crowds thin out as tourists leave with the summer heat.

What is the temperature in October in Cheyenne?

In Cheyenne, in October, the average high-temperature is 58.8°F (14.9°C), and the average low-temperature is 34°F (1.1°C).

How much does it rain in Cheyenne in October?

In October, in Cheyenne, the rain falls for 7.4 days. Throughout October, 0.9" (23.6mm) of precipitation is accumulated.

How much does it snow in Cheyenne in October?

In October, in Cheyenne, Wyoming, it is snowing for 3.4 days. Throughout October, 5" (127mm) of snow is accumulated.
Average temperature in October - Cheyenne, WY
  • Average high temperature in October: 14.9°C

The warmest month (with the highest average high temperature) is July (28.6°C).
The month with the lowest average high temperature is December (3.4°C).

  • Average low temperature in October: 1.1°C

The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is December (-8.2°C).

Average humidity in October - Cheyenne, WY
  • Average humidity in October: 50%

The month with the highest relative humidity is March (56.1%).
The month with the lowest relative humidity is October (50%).

Average rainfall in October - Cheyenne, WY
  • Average rainfall in October: 23.6mm

Wettest months (with the highest rainfall) are May and June (59.4mm).
The driest month (with the lowest rainfall) is January (8.4mm).

Average rainfall days in October - Cheyenne, WY
  • Average rainfall days in October: 7.4 days

The month with the highest number of rainy days is May (12.4 days).
The month with the lowest number of rainy days is January (4.9 days).

Average snowfall in October - Cheyenne, WY
  • Average snowfall in October: 127mm

The month with the highest snowfall is March (287mm).
Months with the lowest snowfall are June, July and August (0mm).

Average snowfall days in October - Cheyenne, WY
  • Average snowfall days in October: 3.4 days

The month with the highest number of snowfall days is March (7.8 days).
Months with the lowest number of snowfall days are July and August (0 days).

Average daylight in October / Average sunshine in October - Cheyenne, WY
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in October: 7.6h

The month with most sunshine is July (Average sunshine: 10.2h).
The month with least sunshine is December (Average sunshine: 5.7h).

Average UV index in October - Cheyenne, WY
  • Average UV index in October: 4

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 1).

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