January weather forecastRiver Heights, UT
January
Weather in January
January, like December, is another subzero cold winter month in River Heights, Utah, with temperature in the range of an average low of 14°F (-10°C) and an average high of 28.8°F (-1.8°C).Temperature
River Heights experiences lowest temperatures, averaging a high-temperature of 28.8°F (-1.8°C) during January and December.Humidity
With an average relative humidity of 89%, January is the most humid month in River Heights.Rainfall
January is the month with the most rainfall. Rain falls for 10.1 days and accumulates 2.36" (60mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. January is the month with the most snowfall in River Heights. Snow falls for 17.2 days and accumulates 16.18" (411mm) of snow.Daylight
The average length of the day in January in River Heights is 9h and 34min.On the first day of January in River Heights, sunrise is at 7:54 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:40 pm MST.
Sunshine
The month with the least sunshine in River Heights is January, with an average of 4.9h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in River Heights. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In January, a daily UV index of 1 turns into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
River Heights, UT
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The months with the lowest average high temperature are January and December (28.8°F).
- Average low temperature in January: 14°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in January
River Heights, UT
- Average pressure in January: 30.29"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
River Heights, UT
- Average wind speed in January: 4mph
The windiest months (with the highest average wind speed) are April and June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in January
River Heights, UT
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).
Average rainfall in January
River Heights, UT
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is January (2.36").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
River Heights, UT
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (6 days).
Average snowfall in January
River Heights, UT
- Average snowfall in January: 16.18"
The month with the highest snowfall is January (16.18").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
River Heights, UT
- Average snowfall days in January: 17.2 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
River Heights, UT
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
River Heights, UT
- Average sunshine days in January: 12.5 days
The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in January
River Heights, UT
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
River Heights, UT
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in January
River Heights, UT
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





