October weather forecast
Powder River, WY

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Weather in October

October, like September, in Powder River, Wyoming, is another fresh autumn month, with an average temperature ranging between min 37°F (2.8°C) and max 54.9°F (12.7°C).

Temperature

The arrival of October is marked by a notable decrease in high-temperatures, falling from a moderately hot 73.4°F (23°C) in September to a fresh 54.9°F (12.7°C). Throughout October, the temperature in Powder River tends to fall to a consistent average low of 37°F (2.8°C).

Humidity

The average relative humidity in October is 53%.

Rainfall

In October, the rain falls for 6.3 days. Throughout October, 0.83" (21mm) of precipitation is accumulated. In Powder River, during the entire year, the rain falls for 81 days and collects up to 8.98" (228mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Powder River, in October, during 5.1 snowfall days, 2.64" (67mm) of snow is typically accumulated. Throughout the year, there are 62.6 snowfall days, and 31.65" (804mm) of snow is accumulated.

Daylight

In Powder River, the average length of the day in October is 11h and 1min.
On the first day of October, sunrise is at 7:06 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 6:00 pm MDT.

Sunshine

In October, the average sunshine is 7h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, an average UV index of 2 transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

The average high-temperature and low-temperature during October are 54.9°F (12.7°C) and 37°F (2.8°C) respectively.

What is the average humidity in October?

The average relative humidity in October is 53%.

How much does it rain in October?

In Powder River, in October, it is raining for 6.3 days, with typically 0.83" (21mm) of accumulated precipitation.

How much does it snow in October?

In Powder River, during October, snow falls for 5.1 days and regularly aggregates up to 2.64" (67mm) of snow.

What is the average length of the day in October?

In Powder River, the average day length in October is 11h and 1min.

When are sunrise and sunset in October in Powder River?

In October, on the first day of the month, sunrise is at 7:06 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 6:00 pm MDT.

How many hours of sunshine does Powder River have in October?

In October, the average sunshine duration is 7h.

What are the months with the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in October?

In Powder River, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's 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
Powder River, WY

Average temperature in October - Powder River, WY
  • Average high temperature in October: 54.9°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in October: 37°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).

Average pressure in October
Powder River, WY

Average pressure in October - Powder River, WY
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in October
Powder River, WY

Average wind speed in October - Powder River, WY
  • Average wind speed in October: 10.5mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

Average humidity in October
Powder River, WY

Average humidity in October - Powder River, WY
  • Average humidity in October: 53%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (36%).

Average rainfall in October
Powder River, WY

Average rainfall in October - Powder River, WY
  • Average rainfall in October: 0.83"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is August (0.35").

Average rainfall days in October
Powder River, WY

Average rainfall days in October - Powder River, WY
  • Average rainfall days in October: 6.3 days

The month with the highest number of rainy days is May (10.9 days).
The month with the least rainy days is December (3.3 days).

Average snowfall in October
Powder River, WY

Average snowfall in October - Powder River, WY
  • Average snowfall in October: 2.64"

The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Powder River, WY

Average snowfall days in October - Powder River, WY
  • Average snowfall days in October: 5.1 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).

Average daylight in October /
Average sunshine in October
Powder River, WY

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days in October
Powder River, WY

Average sunshine days in October - Powder River, WY
  • Average sunshine days in October: 20.2 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is April (13.6 days).

Average UV index in October
Powder River, WY

Average UV index in October - Powder River, WY
  • Average UV index in October: 2

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

Average cloud cover in October
Powder River, WY

Average cloud cover in October - Powder River, WY
  • Average cloud cover in October: 22

The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in October
Powder River, WY

Average visibility in October - Powder River, 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).

Powder River, Wyoming, USA

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