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
During the coldest month, January, temperatures average a high of 36.1°F (2.3°C) and a low of 21.2°F (-6°C).Humidity
With an average relative humidity of 74%, January is the most humid month in Green River.Rainfall
In Green River, during January, the rain falls for 5.1 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Green River, during the entire year, the rain falls for 72.7 days and collects up to 5.28" (134mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In January, it is snowing for 4.8 days. Throughout January, 1.65" (42mm) of snow is accumulated. Throughout the year, in Green River, there are 16.2 snowfall days, and 5.16" (131mm) of snow is accumulated.Daylight
In Green River, the average length of the day in January is 9h and 48min.On the first day of January, sunrise is at 7:39 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:40 pm MST.
Sunshine
The month with the least sunshine is January, with an average of 6.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Green River, Utah. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in January suggests 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. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What part of the year is the coldest in Green River?
How cold is it in Green River in January?
What is the most humid month in Green River?
What is the average humidity in January in Green River?
How many days does it rain in January in Green River?
How many days does it snow in January in Green River?
How many hours of daylight does Green River have in January?
When are sunrise and sunset in January in Green River?
What is the month with the least sunshine in Green River?
How many hours of sunshine does Green River have in January?
When is the lowest UV index in Green River?
How high is the UV index in January in Green River?
Average temperature in January
Green River, UT
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in January: 21.2°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in January
Green River, UT
- Average pressure in January: 30.25"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Green River, UT
- Average wind speed in January: 3.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (3.5mph).
Average humidity in January
Green River, UT
- Average humidity in January: 74%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is June (21%).
Average rainfall in January
Green River, UT
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is April (0.24").
Average rainfall days in January
Green River, UT
- Average rainfall days in January: 5.1 days
The month with the highest number of rainy days is July (9.1 days).
The month with the least rainy days is November (3.8 days).
Average snowfall in January
Green River, UT
- Average snowfall in January: 1.65"
The month with the highest snowfall is December (1.93").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Green River, UT
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Green River, UT
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in January
Green River, UT
- Average sunshine days in January: 23.3 days
The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in January
Green River, UT
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Green River, UT
- Average cloud cover in January: 27
The month with the most cloud cover is January (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 10).
Average visibility in January
Green River, UT
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Green River, Utah, USA
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