January weather forecast
Windsor, CO

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The stonework around the Cache la Poudre River dam section in Windsor, Colorado
The stonework around the Cache la Poudre River dam section in Windsor, Colorado

Weather in January

The introduction of the year in Windsor, Colorado, usually arrives with a chill in the air, marked by temperatures falling to as low as 22.3°F (-5.4°C). The fresh crystal blankets of snow create beautiful winter landscapes, while the lower hours of sunlight make it a typical winter month. There is a slight increase in cloudiness compared to the crisp, clear skies of December, determining lower sunshine hours during the daylight. Despite the winter setting, the chances for rain also bump up, making mixed precipitation an occurrence to watch out for. January’s weather molds the final turns of the holiday season, bringing a serene and calm atmosphere.

Temperature

Windsor's January showcases an average high-temperature of a still cold 41.2°F (5.1°C), hardly distinct from December's 39.2°F (4°C). Nighttime temperature lowers to an average of 22.3°F (-5.4°C) in January.

Humidity

In Windsor, the average relative humidity in January is 62%.

Rainfall

The month with the least rainfall in Windsor is January, when the rain falls for 3.8 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Windsor. In Windsor, in January, snow falls for 6.6 days, with typically accumulated 2.4" (61mm) of snow. In Windsor, during the entire year, snow falls for 41.7 days and aggregates up to 24.84" (631mm) of snow.

Daylight

In Windsor, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:43 pm. On the last day of January, in Windsor, sunrise is at 7:10 am and sunset at 5:15 pm MST.

Sunshine

In Windsor, the average sunshine in January is 6.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 2 during January translates into the following guidance:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is January cold in Windsor?

The average high-temperature, in January, in Windsor, is 41.2°F (5.1°C), while the average low-temperature is 22.3°F (-5.4°C).

What is the average humidity in January in Windsor?

The average relative humidity in January in Windsor is 62%.

What is the driest month in Windsor?

January is the month with the least rainfall in Windsor. Rain falls for 3.8 days and accumulates 0.35" (9mm) of precipitation.

How much does it rain in Windsor in January?

In Windsor, Colorado, in January, it is raining for 3.8 days, with typically 0.35" (9mm) of accumulated precipitation.

How many days does it snow in January in Windsor?

In Windsor, Colorado, during January, snow falls for 6.6 days and regularly aggregates up to 2.4" (61mm) of snow.

How many hours of daylight does Windsor have in January?

In January, the average day length is 9h and 41min.

When is the sunrise / sunset in January in Windsor?

On the first day of January, sunrise is at 7:22 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:15 pm MST.

How many hours of sunshine does Windsor have in January?

The average sunshine duration in January in Windsor is 6.9h.

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

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

How high is the UV index in January in Windsor?

The average daily maximum UV index in January in Windsor is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Windsor, CO

Average temperature in January - Windsor, CO
  • Average high temperature in January: 41.2°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 (39.2°F).

  • Average low temperature in January: 22.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in January
Windsor, CO

Average pressure in January - Windsor, CO
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Windsor, CO

Average wind speed in January - Windsor, CO
  • Average wind speed in January: 6.3mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest months (with the lowest average wind speed) are August and December (5.8mph).

Average humidity in January
Windsor, CO

Average humidity in January - Windsor, CO
  • Average humidity in January: 62%

The months with the highest relative humidity are February and December (63%).
The month with the lowest relative humidity is August (42%).

Average rainfall in January
Windsor, CO

Average rainfall in January - Windsor, CO
  • Average rainfall in January: 0.35"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in January
Windsor, CO

Average rainfall days in January - Windsor, CO
  • Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in January
Windsor, CO

Average snowfall in January - Windsor, CO
  • Average snowfall in January: 2.4"

The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Windsor, CO

Average snowfall days in January - Windsor, CO
  • Average snowfall days in January: 6.6 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Windsor, 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 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).

Average sunshine days in January
Windsor, CO

Average sunshine days in January - Windsor, CO
  • Average sunshine days in January: 22.8 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in January
Windsor, CO

Average UV index in January - Windsor, 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
Windsor, CO

Average cloud cover in January - Windsor, CO
  • Average cloud cover in January: 24

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 17).

Average visibility in January
Windsor, CO

Average visibility in January - Windsor, 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).

Windsor, Colorado, USA

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