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
As Powder River steps into January, the average high-temperature is measured at a still subzero cold 29.3°F (-1.5°C), displaying minor differences from December's 28.6°F (-1.9°C). During the month of January, Powder River anticipates a mean low-temperature of 15.3°F (-9.3°C).Humidity
With an average relative humidity of 79%, January is the most humid month.Rainfall
In Powder River, in January, during 3.4 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 81 rainfall days, and 8.98" (228mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Powder River. In Powder River, in January, during 9.8 snowfall days, 3.82" (97mm) of snow is typically accumulated. In Powder River, Wyoming, 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 the month, sunrise is at 7:39 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:24 am and sunset at 5:18 pm MST.
Sunshine
In Powder River, the average sunshine in January is 6.6h.UV index
The months with the lowest UV index in Powder River, Wyoming, are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is January in Powder River?
What is the most humid month in Powder River?
What is the average humidity in January in Powder River?
How much does it rain in Powder River in January?
How much does it snow in Powder River in January?
How many hours of daylight does Powder River have in January?
When is the sunrise / sunset in January in Powder River?
How many hours of sunshine does Powder River have in January?
When is the lowest UV index in Powder River?
What is the UV index intensity in January in Powder River?
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
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