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 transition from December to January in Sundance, Wyoming, sees average high-temperatures adjusting to a still subzero cold 27.1°F (-2.7°C), from a not significantly different 26.2°F (-3.2°C). During the month of January, Sundance's nighttime temperature lowers to an average of 12.2°F (-11°C).Humidity
The average relative humidity in January in Sundance is 83%.Rainfall
In Sundance, in January, it is raining for 4.3 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 123.2 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Sundance, Wyoming, during January, snow falls for 12.8 days and regularly aggregates up to 4.33" (110mm) of snow. Throughout the year, in Sundance, there are 80.3 snowfall days, and 41.73" (1060mm) of snow is accumulated.Daylight
In Sundance, the average length of the day in January is 9h and 18min.On the first day of January in Sundance, sunrise is at 7:33 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:04 pm MST.
Sunshine
The average sunshine in January in Sundance is 5.8h.UV index
The months with the lowest UV index in Sundance are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the UV index of 2 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Sundance?
What is the average humidity in January in Sundance?
How many days does it rain in January in Sundance?
How much does it snow in Sundance in January?
What is the average length of the day in January in Sundance?
When is the sunrise / sunset in January in Sundance?
How long on average sun shines in January in Sundance?
What are the months with the lowest UV index in Sundance?
What is the UV index reading in January in Sundance?
Average temperature in January
Sundance, WY
- Average high temperature in January: 27.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in January: 12.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).
Average pressure in January
Sundance, WY
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Sundance, WY
- Average wind speed in January: 8.7mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in January
Sundance, WY
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and September (53%).
Average rainfall in January
Sundance, WY
- Average rainfall in January: 0.75"
The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in January
Sundance, WY
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in January
Sundance, WY
- Average snowfall in January: 4.33"
The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Sundance, WY
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Sundance, WY
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in January
Sundance, WY
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in January
Sundance, WY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in January
Sundance, WY
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in January
Sundance, WY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Sundance, Wyoming, USA
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