January weather forecast
Hamilton Dome, WY

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Weather in January

January, like December, is a freezing cold winter month in Hamilton Dome, Wyoming, with an average temperature fluctuating between 12.6°F (-10.8°C) and 28.9°F (-1.7°C).

Temperature

Hamilton Dome experiences a subtle adjustment in high-temperatures to a still subzero cold 28.9°F (-1.7°C) with the onset of January, maintaining near parity with December's 28.2°F (-2.1°C). January brings an average low-temperature of 12.6°F (-10.8°C) to Hamilton Dome.

Humidity

With an average relative humidity of 81%, January is the most humid month.

Rainfall

January is the month with the least rainfall in Hamilton Dome. Rain falls for 4.3 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In January, in Hamilton Dome, it is snowing for 9.3 days. Throughout January, 3.07" (78mm) of snow is accumulated. In Hamilton Dome, during the entire year, snow falls for 51.2 days and aggregates up to 21.3" (541mm) of snow.

Daylight

The average length of the day in January is 9h and 22min.
On the first day of the month, sunrise is at 7:48 am and sunset at 4:47 pm. On the last day of January, in Hamilton Dome, sunrise is at 7:32 am and sunset at 5:23 pm MST.

Sunshine

In January, the average sunshine in Hamilton Dome is 6.5h.

UV index

The months with the lowest UV index in Hamilton Dome are January through April, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during January translates into the following guidance:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

How cold is January in Hamilton Dome?

In January, the average high-temperature and low-temperature are 28.9°F (-1.7°C) and 12.6°F (-10.8°C) respectively.

What is the most humid month in Hamilton Dome?

The most humid month in Hamilton Dome is January, with an average relative humidity of 81%.

What is the average humidity in January in Hamilton Dome?

In January, the average relative humidity in Hamilton Dome, Wyoming, is 81%.

What is the driest month in Hamilton Dome?

The month with the least rainfall is January, when the rain falls for 4.3 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in Hamilton Dome in January?

In Hamilton Dome, in January, during 4.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

How many days does it snow in January in Hamilton Dome?

In Hamilton Dome, in January, during 9.3 snowfall days, 3.07" (78mm) of snow is typically accumulated.

How many hours of daylight does Hamilton Dome have in January?

The average day length in January is 9h and 22min.

When are sunrise and sunset in January in Hamilton Dome?

In January, on the first day of the month, sunrise is at 7:48 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:23 pm MST.

How many hours of sunshine does Hamilton Dome have in January?

In Hamilton Dome, Wyoming, the average sunshine duration in January is 6.5h.

What are the months with the lowest UV index in Hamilton Dome?

January through April, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hamilton Dome, Wyoming.

What is the UV index reading in January in Hamilton Dome?

In January, the average daily maximum UV index in Hamilton Dome, Wyoming, is 2. A UV Index estimate 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
Hamilton Dome, WY

Average temperature in January - Hamilton Dome, WY
  • Average high temperature in January: 28.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.2°F).

  • Average low temperature in January: 12.6°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in January
Hamilton Dome, WY

Average pressure in January - Hamilton Dome, WY
  • Average pressure in January: 30.19"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in January
Hamilton Dome, WY

Average wind speed in January - Hamilton Dome, WY
  • Average wind speed in January: 5mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5mph).

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Average humidity in January
Hamilton Dome, WY

Average humidity in January - Hamilton Dome, WY
  • Average humidity in January: 81%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).

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Average rainfall in January
Hamilton Dome, WY

Average rainfall in January - Hamilton Dome, WY
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Hamilton Dome, WY

Average rainfall days in January - Hamilton Dome, WY
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (4.3 days).

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Average snowfall in January
Hamilton Dome, WY

Average snowfall in January - Hamilton Dome, WY
  • Average snowfall in January: 3.07"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Hamilton Dome, WY

Average snowfall days in January - Hamilton Dome, WY
  • Average snowfall days in January: 9.3 days

The month with the highest number of snowfall days is February (11.1 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
Hamilton Dome, WY

Average daylight in January / Average sunshine in January - Hamilton Dome, WY
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 6h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

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Average sunshine days in January
Hamilton Dome, WY

Average sunshine days in January - Hamilton Dome, WY
  • Average sunshine days in January: 20.2 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in January
Hamilton Dome, WY

Average UV index in January - Hamilton Dome, WY
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).

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Average cloud cover in January
Hamilton Dome, WY

Average cloud cover in January - Hamilton Dome, WY
  • Average cloud cover in January: 30

The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 14).

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Average visibility in January
Hamilton Dome, WY

Average visibility in January - Hamilton Dome, WY
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Hamilton Dome, Wyoming, USA

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