Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The arrival of January is marked by an average high-temperature of a still freezing cold 29.3°F (-1.5°C), bearing a close resemblance to December. An average temperature of 15.3°F (-9.3°C) marks the nights in January.Humidity
The most humid month is January, with an average relative humidity of 79%.Rainfall
In Powder River, in January, it is raining for 3.4 days, with typically 0.55" (14mm) of accumulated precipitation. 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 January, snow falls for 9.8 days, with typically accumulated 3.82" (97mm) of snow. In Powder River, during the entire year, snow falls for 62.6 days and aggregates up to 31.65" (804mm) of snow.Daylight
The average length of the day in January is 9h and 26min.On the first day of January in Powder River, sunrise is at 7:39 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:18 pm MST.
Sunshine
The average sunshine in January is 6.6h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January in Powder River?
How many hours of sunshine does Powder River have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Powder River, WY
- Average high temperature in January: 29.3°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 January: 15.3°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 January
Powder River, WY
- Average pressure in January: 30.17"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 January
Powder River, WY
- Average wind speed in January: 11.9mph
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 January
Powder River, WY
- Average humidity in January: 79%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (36%).
Average rainfall in January
Powder River, WY
- Average rainfall in January: 0.55"
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 January
Powder River, WY
- Average rainfall days in January: 3.4 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 January
Powder River, WY
- Average snowfall in January: 3.82"
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 January
Powder River, WY
- Average snowfall days in January: 9.8 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 January /
Average sunshine in January
Powder River, WY
- Average daylight in January: 9h and 2min
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 January: 6h and 4min
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 January
Powder River, WY
- Average sunshine days in January: 20 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 January
Powder River, WY
- Average UV index in January: 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 January
Powder River, WY
- Average cloud cover in January: 30
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 January
Powder River, WY
- Average visibility in January: 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
Weather forecast for your location
2. Allow the app to use your location