January weather forecast and climate
Greeley, CO

Weather in January

January, the same as December, is a wintry winter month in Greeley, Colorado, with average temperature fluctuating between 40.8°F (4.9°C) and 22.1°F (-5.5°C).

Temperature

In Greeley, the average high-temperature is relatively the same as in December - a still cold 40.8°F (4.9°C). In Greeley, Colorado, in January, the average low-temperature is 22.1°F (-5.5°C).

Humidity

Months with the highest humidity are January and December, with an average relative humidity of 64%.

Rainfall

In January, the rain falls for 2.4 days. Throughout January, 0.24" (6mm) of precipitation is accumulated. Throughout the year, in Greeley, there are 71.4 rainfall days, and 7.6" (193mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Greeley. In Greeley, during January, snow falls for 4.4 days and regularly aggregates up to 1.57" (40mm) of snow. In Greeley, during the entire year, snow falls for 26.6 days, and aggregates up to 13.62" (346mm) of snow.

Daylight

In Greeley, Colorado, the average length of the day in January is 9.7h.

Sunshine

In Greeley, the average sunshine is 6.8h.

UV index

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 the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in January in Greeley?

In January, in Greeley, the average high-temperature is 40.8°F (4.9°C), and the average low-temperature is 22.1°F (-5.5°C).

What are the most humid months in Greeley?

Months with the highest humidity are January and December, with an average relative humidity of 64%.

What is the average humidity in January in Greeley?

In Greeley, Colorado, the average relative humidity in January is 64%.

How many days does it rain in January in Greeley?

In Greeley, in January, it is raining for 2.4 days, with typically 0.24" (6mm) of accumulated precipitation.

How many days does it snow in January in Greeley?

In Greeley, during January, snow falls for 4.4 days and regularly aggregates up to 1.57" (40mm) of snow.

How many hours of daylight does Greeley have in January?

The average length of the day in January in Greeley is 9.7h.

How long on average sun shines in January in Greeley?

In Greeley, the average sunshine in January is 6.8h.

When is the lowest UV index in Greeley?

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

What is the UV index intensity in January in Greeley?

The average daily maximum UV index in January in Greeley is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in January
Greeley, CO

Average temperature in January - Greeley, CO
  • Average high temperature in January: 40.8°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 (38.3°F).

  • Average low temperature in January: 22.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).

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Average pressure in January
Greeley, CO

Average pressure in January - Greeley, CO
  • Average pressure in January: 30.13"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in January
Greeley, CO

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

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).

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Average humidity in January
Greeley, CO

Average humidity in January - Greeley, CO
  • Average humidity in January: 64%

Months with the highest relative humidity are January and December (64%).
Months with the lowest relative humidity are August and September (44%).

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Average rainfall in January
Greeley, CO

Average rainfall in January - Greeley, CO
  • Average rainfall in January: 0.24"

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.2").

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Average rainfall days in January
Greeley, CO

Average rainfall days in January - Greeley, CO
  • Average rainfall days in January: 2.4 days

The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is November (1.6 days).

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Average snowfall in January
Greeley, CO

Average snowfall in January - Greeley, CO
  • Average snowfall in January: 1.57"

The month with the highest snowfall is February (2.36").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Greeley, CO

Average snowfall days in January - Greeley, CO
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is February (5.7 days).
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
Greeley, CO

Average daylight in January / Average sunshine in January - Greeley, CO
  • Average daylight in January: 9.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 6.8h

The month with the most sunshine is June (Average sunshine: 11.9h).
Months with the least sunshine are February and December (Average sunshine: 6.6).

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Average sunshine days in January
Greeley, CO

Average sunshine days in January - Greeley, CO
  • Average sunshine days in January: 25.1 days

The month with the most sunshine days is December (25.9 days).
The month with the least sunshine days is July (16.7 days).

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Average UV index in January
Greeley, CO

Average UV index in January - Greeley, CO
  • Average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Greeley, CO

Average cloud cover in January - Greeley, CO
  • Average cloud cover in January: 26

The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 16).

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Average visibility in January
Greeley, CO

Average visibility in January - Greeley, CO
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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