January weather forecast
Granite, CO

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Weather in January

January, like December, is a freezing cold winter month in Granite, Colorado, with an average temperature ranging between max 23.9°F (-4.5°C) and min 2.7°F (-16.3°C).

Temperature

Granite notes an average high-temperature of a still subzero cold 23.9°F (-4.5°C) in January, hardly diverging from December. During the month of January, the temperature in Granite falls to an average of 2.7°F (-16.3°C).

Humidity

The average relative humidity in January is 86%.

Rainfall

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

Snowfall

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

Daylight

In Granite, the average length of the day in January 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, sunrise is at 7:12 am and sunset at 5:24 pm MST.

Sunshine

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

UV index

The average daily maximum UV index in January in Granite is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 2 in January transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

How cold is 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 is 86%.

How much does it rain in January?

In Granite, during January, the rain falls for 6.6 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How much does it snow 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, the average day length in January is 9h and 48min.

What time are sunrise and sunset in January?

In January, on the first day of the month, 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 long on average sun shines in January?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Granite, Colorado, USA

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