January weather forecastFort Lyon, CO
January
Weather in January
January, like December, is another chilly winter month in Fort Lyon, Colorado, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 45.1°F (7.3°C).Temperature
Fort Lyon experiences an average high-temperature of a still frosty 45.1°F (7.3°C) in January, subtly different from December's 43.7°F (6.5°C). Fort Lyon observes an average low-temperature of 27°F (-2.8°C) during January nights.Humidity
The most humid month is January, with an average relative humidity of 58%.Rainfall
January, November and December are months with the least rain when the rain falls for 3.3 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Fort Lyon, in January, snow falls for 4.9 days, with typically accumulated 2.05" (52mm) of snow. In Fort Lyon, during the entire year, snow falls for 23.2 days and aggregates up to 10.28" (261mm) of snow.Daylight
The average length of the day in January is 9h and 53min.On the first day of January, sunrise is at 7:08 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:13 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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Fort Lyon, CO
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (43.7°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 (26.6°F).
Average pressure in January
Fort Lyon, CO
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in January
Fort Lyon, CO
- Average wind speed in January: 8.2mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is January (8.2mph).
Average humidity in January
Fort Lyon, CO
- Average humidity in January: 58%
The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (38%).
Average rainfall in January
Fort Lyon, CO
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is July (1.81").
The driest months (with the least rainfall) are January, November and December (0.35").
Average rainfall days in January
Fort Lyon, CO
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in January
Fort Lyon, CO
- Average snowfall in January: 2.05"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Fort Lyon, CO
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Fort Lyon, 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: 6h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in January
Fort Lyon, CO
- Average sunshine days in January: 23.8 days
The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in January
Fort Lyon, CO
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in January
Fort Lyon, CO
- Average cloud cover in January: 22
The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in January
Fort Lyon, 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).





