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
South Greeley's average high-temperature marks a still cold 36.9°F (2.7°C) with the advent of January, closely mirroring that of the preceding month. During the month of January, the temperature generally drops to a low average of 22.3°F (-5.4°C).Humidity
The average relative humidity in January is 61%.Rainfall
January is the month with the least rainfall. Rain falls for 4.7 days and accumulates 0.43" (11mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 8.9 days. Throughout January, 2.28" (58mm) of snow is accumulated. In South Greeley, during the entire year, snow falls for 62 days and aggregates up to 30.51" (775mm) of snow.Daylight
In January, the average length of the day is 9h and 37min.On the first day of January, sunrise is at 7:24 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:14 pm MST.
Sunshine
In South Greeley, the average sunshine in January is 6.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the average humidity in January?
What is the driest month in South Greeley?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does South Greeley have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January in South Greeley?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
South Greeley, WY
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in January: 22.3°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in January
South Greeley, WY
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
South Greeley, WY
- Average wind speed in January: 14.2mph
The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in January
South Greeley, WY
- Average humidity in January: 61%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).
Average rainfall in January
South Greeley, WY
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
South Greeley, WY
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in January
South Greeley, WY
- Average snowfall in January: 2.28"
The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
South Greeley, WY
- Average snowfall days in January: 8.9 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
South Greeley, WY
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in January
South Greeley, WY
- Average sunshine days in January: 20.7 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in January
South Greeley, WY
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
South Greeley, WY
- Average cloud cover in January: 26
The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in January
South Greeley, 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).
South Greeley, Wyoming, USA
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