January weather forecast
Granite, WY

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Weather in January

January, like December, in Granite, Wyoming, is an icy winter month, with an average temperature ranging between min 22.3°F (-5.4°C) and max 36.9°F (2.7°C).

Temperature

January's weather records an average high-temperature of a still wintry 36.9°F (2.7°C), showing little deviation from December. Granite records a mean low-temperature of 22.3°F (-5.4°C) in January.

Humidity

In Granite, the average relative humidity in January is 61%.

Rainfall

January is the month with the least rainfall. Rain falls for 4.7 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

Months with snowfall in Granite are January through May, September through December. In Granite, in January, during 8.9 snowfall days, 2.28" (58mm) of snow is typically accumulated. In Granite, during the entire year, snow falls for 62.3 days and aggregates up to 30.59" (777mm) of snow.

Daylight

The average length of the day in January in Granite is 9h and 37min.
On the first day of January in Granite, Wyoming, sunrise is at 7:25 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:15 pm MST.

Sunshine

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

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 minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is January in Granite?

During January, Granite experiences an average high-temperature of 36.9°F (2.7°C) and a low-temperature of 22.3°F (-5.4°C).

What is the average humidity in January in Granite?

In January, the average relative humidity is 61%.

What is the driest month in Granite?

The month with the least rainfall in Granite is January, when the rain falls for 4.7 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in January in Granite?

In Granite, Wyoming, during January, the rain falls for 4.7 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How many days does it snow in January in Granite?

In Granite, during January, snow falls for 8.9 days and regularly aggregates up to 2.28" (58mm) of snow.

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

In January, the average day length in Granite is 9h and 37min.

What time are sunrise and sunset in January in Granite?

On the first day of January, sunrise is at 7:25 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:15 pm MST.

How long on average sun shines in January in Granite?

In Granite, the average sunshine duration in January is 6.8h.

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

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

What is the UV index intensity in January in Granite?

The average daily maximum UV index in January in Granite is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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, WY

Average temperature in January - Granite, WY
  • Average high temperature in January: 36.9°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in January: 22.3°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

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Average pressure in January
Granite, WY

Average pressure in January - Granite, WY
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in January
Granite, WY

Average wind speed in January - Granite, WY
  • Average wind speed in January: 14.2mph

The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in January
Granite, WY

Average humidity in January - Granite, WY
  • Average humidity in January: 61%

The month with the highest relative humidity is February (64%).
The months with the lowest relative humidity are August and September (43%).

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Average rainfall in January
Granite, WY

Average rainfall in January - Granite, WY
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Granite, WY

Average rainfall days in January - Granite, WY
  • Average rainfall days in January: 4.7 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall in January
Granite, WY

Average snowfall in January - Granite, WY
  • Average snowfall in January: 2.28"

The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Granite, WY

Average snowfall days in January - Granite, WY
  • Average snowfall days in January: 8.9 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Granite, WY
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 6h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

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Average sunshine days in January
Granite, WY

Average sunshine days in January - Granite, WY
  • Average sunshine days in January: 20.7 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).

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Average UV index in January
Granite, WY

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

The months with the highest UV index are 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
Granite, WY

Average cloud cover in January - Granite, WY
  • Average cloud cover in January: 26

The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in January
Granite, WY

Average visibility in January - Granite, WY
  • 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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Granite, Wyoming, USA

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