January weather forecastGreenwich, UT
January
Weather in January
January, the same as December, in Greenwich, Utah, is another subzero cold winter month, with an average temperature fluctuating between 30.2°F (-1°C) and 12.6°F (-10.8°C).Temperature
January is the month that records the lowest temperatures, with averages ranging from a high of 30.2°F (-1°C) to a low of 12.6°F (-10.8°C).Humidity
With an average relative humidity of 81%, January is the most humid month in Greenwich, Utah.Rainfall
In January, the rain falls for 2.5 days. Throughout January, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 71.2 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Greenwich, in January, during 9.9 snowfall days, 5.98" (152mm) of snow is typically accumulated. In Greenwich, during the entire year, snow falls for 64.4 days and aggregates up to 44.17" (1122mm) of snow.Daylight
In January, the average length of the day in Greenwich is 9h and 51min.On the first day of the month, sunrise is at 7:44 am and sunset at 5:17 pm. On the last day of January, in Greenwich, sunrise is at 7:33 am and sunset at 5:48 pm MST.
Sunshine
January has the least sunshine of the year, with an average of 5.9h of sunshine.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Greenwich, UT
- Average high temperature in January: 30.2°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in January: 12.6°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in January
Greenwich, UT
- Average pressure in January: 30.23"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in January
Greenwich, UT
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in January
Greenwich, UT
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (32%).
Average rainfall in January
Greenwich, UT
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is July (1.26").
The driest month (with the least rainfall) is June (0.43").
Average rainfall days in January
Greenwich, UT
- Average rainfall days in January: 2.5 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (1.7 days).
Average snowfall in January
Greenwich, UT
- Average snowfall in January: 5.98"
The month with the highest snowfall is March (8.07").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Greenwich, UT
- Average snowfall days in January: 9.9 days
The month with the highest number of snowfall days is December (11.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Greenwich, UT
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in January
Greenwich, UT
- Average sunshine days in January: 21.1 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in January
Greenwich, UT
- 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, October, November and December (UV index 2).
Average cloud cover in January
Greenwich, UT
- Average cloud cover in January: 36
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in January
Greenwich, UT
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





