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
Transitioning into January, Greeley records an average high-temperature of a still cold 40.8°F (4.9°C), almost identical to December's 38.3°F (3.5°C). An average low-temperature of 22.1°F (-5.5°C) marks the nights throughout January.Humidity
January and December, with an average relative humidity of 64%, are the most humid months.Rainfall
In Greeley, Colorado, in January, during 2.4 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In Greeley, Colorado, during the entire year, the rain falls for 71.4 days and collects up to 7.6" (193mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Greeley, in January, during 4.4 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, there are 26.6 snowfall days, and 13.62" (346mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 41min.On the first day of January, sunrise is at 7:21 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:15 pm MST.
Sunshine
In 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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during January translates into the following guidance:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in January?
What are the most humid months in Greeley?
What is the average humidity in January?
How many days does it rain in January in Greeley?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Greeley have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Greeley, CO
- Average high temperature in January: 40.8°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).
Average pressure in January
Greeley, CO
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Greeley, CO
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in January
Greeley, CO
- Average humidity in January: 64%
The months with the highest relative humidity are January and December (64%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in January
Greeley, CO
- Average rainfall in January: 0.24"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days in January
Greeley, CO
- Average rainfall days in January: 2.4 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is November (1.6 days).
Average snowfall in January
Greeley, CO
- Average snowfall in January: 1.57"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Greeley, CO
- Average snowfall days in January: 4.4 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Greeley, CO
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).
Average sunshine days in January
Greeley, CO
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is December (25.9 days).
The month with the least sunshine days is July (16.7 days).
Average UV index in January
Greeley, CO
- Average UV index in January: 2
The months with the highest UV index are June, 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
Greeley, CO
- Average cloud cover in January: 26
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in January
Greeley, CO
- 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).
Greeley, Colorado, USA
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