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
Holly's average high-temperature in January is a still frosty 45.7°F (7.6°C), marking an insignificant difference from the 44.4°F (6.9°C) of December. During the January nights, an average temperature of 27°F (-2.8°C) is observed.Humidity
The most humid month is January, with an average relative humidity of 60%.Rainfall
January is the month with the least rainfall in Holly. Rain falls for 3.2 days and accumulates 0.28" (7mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Holly, Colorado, during January, snow falls for 3.9 days and regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, there are 18.3 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
In Holly, the average length of the day in January is 9h and 53min.On the first day of January in Holly, sunrise is at 7:04 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 5:09 pm MST.
Sunshine
In January, the average sunshine is 6.8h.UV index
January, 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 low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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
What are the temperatures in Holly in January?
What is the most humid month in Holly?
What is the average humidity in January in Holly?
What is the driest month in Holly?
How many days does it rain in January in Holly?
How many days does it snow in January in Holly?
How many hours of daylight does Holly have in January?
When is the sunrise / sunset in January in Holly?
How many hours of sunshine does Holly have in January?
What are the months with the lowest UV index in Holly?
What is the UV index reading in January in Holly?
Average temperature in January
Holly, CO
- Average high temperature in January: 45.7°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in January
Holly, CO
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in January
Holly, CO
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is January (9.9mph).
Average humidity in January
Holly, CO
- Average humidity in January: 60%
The month with the highest relative humidity is January (60%).
The month with the lowest relative humidity is June (44%).
Average rainfall in January
Holly, CO
- Average rainfall in January: 0.28"
The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in January
Holly, CO
- Average rainfall days in January: 3.2 days
The months with the highest number of rainy days are May and July (11.8 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in January
Holly, CO
- Average snowfall in January: 0.98"
The month with the highest snowfall is December (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Holly, CO
- Average snowfall days in January: 3.9 days
The month with the highest number of snowfall days is December (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Holly, CO
- Average daylight in January: 9h and 5min
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 36min).
- Average sunshine in January: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in January
Holly, CO
- Average sunshine days in January: 24.4 days
The month with the most sunshine days is November (24.8 days).
The month with the least sunshine days is July (16 days).
Average UV index in January
Holly, CO
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in January
Holly, CO
- Average cloud cover in January: 24
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in January
Holly, 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).
Holly, Colorado, USA
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