January weather forecast
Fort Lyon, CO

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Weather in January

January, like December, is another chilly winter month in Fort Lyon, Colorado, with an average temperature fluctuating between 27°F (-2.8°C) and 45.1°F (7.3°C).

Temperature

January's onset brings an average high-temperature of a still chilly 45.1°F (7.3°C), showing a minute difference from December's 43.7°F (6.5°C). January nights in Fort Lyon are marked by an average temperature drop to a subzero cold 27°F (-2.8°C).

Humidity

The most humid month in Fort Lyon is January, with an average relative humidity of 58%.

Rainfall

The months with the least rainfall are January, November and December Rain falls for 3.3 days and accumulates 0.35" (9mm) of rain.

Snowfall

January through May, October through December are months with snowfall in Fort Lyon. In Fort Lyon, in January, during 4.9 snowfall days, 2.05" (52mm) of snow is typically accumulated. Throughout the year, there are 23.2 snowfall days, and 10.28" (261mm) of snow is accumulated.

Daylight

The average length of the day in January in Fort Lyon is 9h and 53min.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:43 pm. On the last day of January, in Fort Lyon, sunrise is at 6:57 am and sunset at 5:13 pm MST.

Sunshine

In January, the average sunshine in Fort Lyon 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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To guard against the harmful effects of the Sun, minimize exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Fort Lyon in January?

January temperatures in Fort Lyon vary between a high-temperature of 45.1°F (7.3°C) and a low-temperature of 27°F (-2.8°C).

What is the most humid month in Fort Lyon?

The most humid month in Fort Lyon, Colorado, is January, with an average relative humidity of 58%.

What is the average humidity in January in Fort Lyon?

The average relative humidity in January in Fort Lyon is 58%.

What is the driest month in Fort Lyon?

The months with the least rainfall in Fort Lyon are January, November and December Rain falls for 3.3 days and accumulates 0.35" (9mm) of rain.

How much does it rain in Fort Lyon in January?

In Fort Lyon, Colorado, in January, during 3.3 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

How many days does it snow in January in Fort Lyon?

In Fort Lyon, in January, during 4.9 snowfall days, 2.05" (52mm) of snow is typically accumulated.

How many hours of daylight does Fort Lyon have in January?

The average day length in January in Fort Lyon is 9h and 53min.

When are sunrise and sunset in January in Fort Lyon?

In January, on the first day of the month, sunrise is at 7:08 am and sunset at 4:43 pm. On the last day of the month, in Fort Lyon, Colorado, sunrise is at 6:57 am and sunset at 5:13 pm MST.

How long on average sun shines in January in Fort Lyon?

The average sunshine duration in January in Fort Lyon, Colorado, is 6.8h.

What is the month with the lowest UV index in Fort Lyon?

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

What is the UV index intensity in January in Fort Lyon?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Fort Lyon, CO

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).

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Average pressure in January
Fort Lyon, CO

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).

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Average wind speed in January
Fort Lyon, CO

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).

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Average humidity in January
Fort Lyon, CO

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%).

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Average rainfall in January
Fort Lyon, CO

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").

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Average rainfall days in January
Fort Lyon, CO

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).

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Average snowfall in January
Fort Lyon, CO

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").

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Average snowfall days in January
Fort Lyon, CO

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).

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Average daylight in January /
Average sunshine in January
Fort Lyon, CO

Average daylight in January / Average sunshine in January - Fort Lyon, 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 July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in January
Fort Lyon, CO

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).

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Average UV index in January
Fort Lyon, CO

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).

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Average cloud cover in January
Fort Lyon, CO

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).

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Average visibility in January
Fort Lyon, CO

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).

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Fort Lyon, Colorado, USA

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