January weather forecast
Cortez, CO

The bright and red rays of the setting sun over the scenic layout of hills and plains of Cortez, Colorado
The bright and red rays of the setting sun over the scenic layout of hills and plains of Cortez, Colorado

Weather in January

January, the same as December, is another cold winter month in Cortez, Colorado, with an average temperature varying between 19.8°F (-6.8°C) and 35.1°F (1.7°C).

Temperature

January is the coldest month, with an average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 19.8°F (-6.8°C).

Humidity

The most humid month in Cortez is January, with an average relative humidity of 73%.

Rainfall

The months with the most rainfall in Cortez are January and December, with an average 1.26" (32mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Cortez. The month with the most snowfall is January, when snow falls for 8.5 days and typically aggregates up to 8.11" (206mm) of snow.

Daylight

In Cortez, the average length of the day in January is 9h and 56min.
On the first day of January, sunrise is at 7:28 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:37 pm MST.

Sunshine

January and December, with an average of 6.5h of sunshine, are months with the least sunshine.

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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Cortez?

The coldest month in Cortez, Colorado, is January, with an average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 19.8°F (-6.8°C).

What is the most humid month in Cortez?

January is the most humid month, with an average relative humidity of 73%.

What is the average humidity in January in Cortez?

In Cortez, Colorado, the average relative humidity in January is 73%.

What is the rainiest month in Cortez?

The wettest months in Cortez are January and December, with an average 1.26" (32mm) of rainfall.

How many days does it rain in January in Cortez?

In Cortez, in January, it is raining for 6.1 days, with typically 1.26" (32mm) of accumulated precipitation.

What is the snowiest month in Cortez?

The month with the most snowfall in Cortez is January, when snow falls for 8.5 days and typically aggregates up to 8.11" (206mm) of snow.

How much does it snow in Cortez in January?

In Cortez, during January, snow falls for 8.5 days and regularly aggregates up to 8.11" (206mm) of snow.

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

The average day length in January is 9h and 56min.

When are sunrise and sunset in January in Cortez?

On the first day of January in Cortez, sunrise is at 7:28 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:37 pm MST.

What is the month with the least sunshine in Cortez?

The months with the least sunshine in Cortez are January and December, with an average of 6.5h of sunshine.

How long on average sun shines in January in Cortez?

In January, the average sunshine duration in Cortez, Colorado, is 6.5h.

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

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

What is the UV index reading in January in Cortez?

In Cortez, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Cortez, CO

Average temperature in January - Cortez, CO
  • Average high temperature in January: 35.1°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in January: 19.8°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in January
Cortez, CO

Average pressure in January - Cortez, CO
  • Average pressure in January: 30.23"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in January
Cortez, CO

Average wind speed in January - Cortez, CO
  • Average wind speed in January: 5.7mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

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Average humidity in January
Cortez, CO

Average humidity in January - Cortez, CO
  • Average humidity in January: 73%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (26%).

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Average rainfall in January
Cortez, CO

Average rainfall in January - Cortez, CO
  • Average rainfall in January: 1.26"

The wettest months (with the highest rainfall) are January and December (1.26").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in January
Cortez, CO

Average rainfall days in January - Cortez, CO
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is June (2.8 days).

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Average snowfall in January
Cortez, CO

Average snowfall in January - Cortez, CO
  • Average snowfall in January: 8.11"

The month with the highest snowfall is January (8.11").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Cortez, CO

Average snowfall days in January - Cortez, CO
  • Average snowfall days in January: 8.5 days

The months with the highest number of snowfall days are January and December (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Cortez, CO
  • Average daylight in January: 9h and 56min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 38min).

  • Average sunshine in January: 6h and 30min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).

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Average sunshine days in January
Cortez, CO

Average sunshine days in January - Cortez, CO
  • Average sunshine days in January: 20.7 days

The month with the most sunshine days is June (26.2 days).
The month with the least sunshine days is February (17.6 days).

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Average UV index in January
Cortez, CO

Average UV index in January - Cortez, 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).

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Average cloud cover in January
Cortez, CO

Average cloud cover in January - Cortez, CO
  • Average cloud cover in January: 27

The months with the most cloud cover are January and December (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 9).

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Average visibility in January
Cortez, CO

Average visibility in January - Cortez, 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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