January weather forecast
Boone, CO

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Weather in January

January, the same as December, in Boone, Colorado, is another chilly winter month, with an average temperature varying between 44.6°F (7°C) and 25.7°F (-3.5°C).

Temperature

The advent of January denotes an average high-temperature of a still frosty 44.6°F (7°C), subtly different from December's 43°F (6.1°C). During January, Boone observes a consistent average nighttime temperature of 25.7°F (-3.5°C).

Humidity

In Boone, the average relative humidity in January is 58%.

Rainfall

In Boone, during January, the rain falls for 2.5 days and regularly aggregates up to 0.35" (9mm) of precipitation. Throughout the year, in Boone, 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 Boone, in January, during 5.3 snowfall days, 2.01" (51mm) of snow is typically accumulated. In Boone, during the entire year, snow falls for 26.6 days and aggregates up to 14.06" (357mm) of snow.

Daylight

In Boone, the average length of the day in January 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, in Boone, Colorado, 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 in Boone. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In January, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

How cold is January in Boone?

In January, in Boone, the average high-temperature is 44.6°F (7°C), and the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in January in Boone?

In Boone, Colorado, the average relative humidity in January is 58%.

How many days does it rain in January in Boone?

In Boone, during January, the rain falls for 2.5 days and regularly aggregates up to 0.35" (9mm) of precipitation.

How many days does it snow in January in Boone?

In January, in Boone, Colorado, it is snowing for 5.3 days. Throughout January, 2.01" (51mm) of snow is accumulated.

What is the average length of the day in January in Boone?

The average day length in January in Boone, Colorado, is 9h and 52min.

When are sunrise and sunset in January in Boone?

In January, on the first day of the month, sunrise is at 7:13 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:18 pm MST.

How long on average sun shines in January in Boone?

In January, the average sunshine duration in Boone, Colorado, is 7h.

What is the month with the lowest UV index in Boone?

The months with the lowest UV index in Boone, Colorado, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Boone?

The average daily maximum UV index in January in Boone is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Boone, CO

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).

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Average pressure in January
Boone, CO

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).

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Average wind speed in January
Boone, CO

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).

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Average humidity in January
Boone, CO

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%).

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Average rainfall in January
Boone, CO

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").

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Average rainfall days in January
Boone, CO

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).

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Average snowfall in January
Boone, CO

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").

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Average snowfall days in January
Boone, CO

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).

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Average daylight in January /
Average sunshine in January
Boone, CO

Average daylight in January / Average sunshine in January - Boone, 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: 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).

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Average sunshine days in January
Boone, CO

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).

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Average UV index in January
Boone, CO

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).

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Average cloud cover in January
Boone, CO

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).

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Average visibility in January
Boone, CO

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).

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Boone, Colorado, USA

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