January weather forecast
Granite, CO

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Weather in January

January, the same as December, in Granite, Colorado, is another subzero cold winter month, with temperature in the range of an average high of 23.9°F (-4.5°C) and an average low of 2.7°F (-16.3°C).

Temperature

Granite's weather in January, with an average high-temperature of a still subzero cold 23.9°F (-4.5°C), subtly shifts from December's 23.5°F (-4.7°C). The nighttime temperature dips to an arctic cold 2.7°F (-16.3°C) on average during January.

Humidity

In Granite, the average relative humidity in January is 86%.

Rainfall

In January, in Granite, the rain falls for 6.6 days. Throughout January, 1.14" (29mm) of precipitation is accumulated. In Granite, during the entire year, the rain falls for 120.6 days and collects up to 19.29" (490mm) of precipitation.

Snowfall

January through December are months with snowfall in Granite, Colorado. In Granite, in January, snow falls for 16.2 days, with typically accumulated 9.21" (234mm) of snow. In Granite, Colorado, during the entire year, snow falls for 142.6 days and aggregates up to 90.39" (2296mm) of snow.

Daylight

The average length of the day in January in Granite is 9h and 48min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:53 pm. On the last day of January, in Granite, Colorado, sunrise is at 7:12 am and sunset at 5:24 pm MST.

Sunshine

In January, the average sunshine in Granite, Colorado, is 5.9h.

UV index

In January, the average daily maximum UV index in Granite is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

How cold is it in Granite in January?

In Granite, 23.9°F (-4.5°C) is the average high-temperature and 2.7°F (-16.3°C) is the average low-temperature during January.

What is the average humidity in January in Granite?

The average relative humidity in January in Granite, Colorado, is 86%.

How much does it rain in Granite in January?

In Granite, in January, during 6.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

How much does it snow in Granite in January?

In Granite, during January, snow falls for 16.2 days and regularly aggregates up to 9.21" (234mm) of snow.

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

In January, the average day length in Granite, Colorado, is 9h and 48min.

What time are sunrise and sunset in January in Granite?

On the first day of January, sunrise is at 7:23 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:24 pm MST.

How many hours of sunshine does Granite have in January?

In January, the average sunshine duration in Granite, Colorado, is 5.9h.

How high is the UV index in January in Granite?

The average daily maximum UV index in January in Granite, Colorado, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Granite, CO

Average temperature in January - Granite, CO
  • Average high temperature in January: 23.9°F

The warmest month (with the highest average high temperature) is July (66.7°F).
The month with the lowest average high temperature is December (23.5°F).

  • Average low temperature in January: 2.7°F

The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (2.7°F).

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Average pressure in January
Granite, CO

Average pressure in January - Granite, CO
  • Average pressure in January: 30.2"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is April (29.94"Hg).

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Average wind speed in January
Granite, CO

Average wind speed in January - Granite, CO
  • Average wind speed in January: 6.7mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

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Average humidity in January
Granite, CO

Average humidity in January - Granite, CO
  • Average humidity in January: 86%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (51%).

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Average rainfall in January
Granite, CO

Average rainfall in January - Granite, CO
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is November (0.91").

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Average rainfall days in January
Granite, CO

Average rainfall days in January - Granite, CO
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (3.9 days).

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Average snowfall in January
Granite, CO

Average snowfall in January - Granite, CO
  • Average snowfall in January: 9.21"

The month with the highest snowfall is March (15.08").
The month with the least snowfall is August (0.31").

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Average snowfall days in January
Granite, CO

Average snowfall days in January - Granite, CO
  • Average snowfall days in January: 16.2 days

The month with the highest number of snowfall days is March (20 days).
The month with the least snowfall days is August (1.3 days).

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

Average daylight in January / Average sunshine in January - Granite, CO
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

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Average sunshine days in January
Granite, CO

Average sunshine days in January - Granite, CO
  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (6.1 days).

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Average UV index in January
Granite, CO

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

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in January
Granite, CO

Average cloud cover in January - Granite, CO
  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 17).

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Average visibility in January
Granite, CO

Average visibility in January - Granite, CO
  • Average visibility in January: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Granite, Colorado, USA

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