January weather forecastBoone, CO
January
Weather in January
January, like December, is another chilly winter month in Boone, Colorado, with an average temperature fluctuating between 25.7°F (-3.5°C) and 44.6°F (7°C).Temperature
Welcoming January, Boone notes an average high-temperature of a still chilly 44.6°F (7°C), nearly consistent with December's 43°F (6.1°C). Throughout January nights, Boone registers an average low-temperature of 25.7°F (-3.5°C).Humidity
In Boone, the average relative humidity in January is 58%.Rainfall
In January, the rain falls for 2.5 days. Throughout January, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 83.6 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Boone, in January, during 5.3 snowfall days, 2.01" (51mm) of snow is typically accumulated. Throughout the year, in Boone, there are 26.6 snowfall days, and 14.06" (357mm) of snow is accumulated.Daylight
The average length of the day in January in Boone is 9h and 52min.On the first day of the month, sunrise is at 7:13 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:02 am and sunset at 5:18 pm MST.
Sunshine
In January, the average sunshine is 7h.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Boone, CO
- Average high temperature in January: 44.6°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in January: 25.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).
Average pressure in January
Boone, 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 April (29.88"Hg).
Average wind speed in January
Boone, CO
- Average wind speed in January: 7.4mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (7.1mph).
Average humidity in January
Boone, CO
- Average humidity in January: 58%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is June (36%).
Average rainfall in January
Boone, CO
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is December (0.28").
Average rainfall days in January
Boone, CO
- Average rainfall days in January: 2.5 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (2.3 days).
Average snowfall in January
Boone, CO
- Average snowfall in January: 2.01"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Boone, CO
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Boone, CO
- 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 36min).
- Average sunshine in January: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in January
Boone, CO
- Average sunshine days in January: 24.1 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in January
Boone, CO
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Boone, CO
- Average cloud cover in January: 21
The month with the most cloud cover is February (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in January
Boone, 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).
