January weather forecast
Teton, ID

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Weather in January

January, the same as December, in Teton, Idaho, is a freezing cold winter month, with an average temperature ranging between min 12.4°F (-10.9°C) and max 27.1°F (-2.7°C).

Temperature

Teton's weather in January indicates an average high-temperature of a still freezing cold 27.1°F (-2.7°C), nearly consistent with the 26.2°F (-3.2°C) of December. During January, the temperature tends to dip to an average of 12.4°F (-10.9°C) at night.

Humidity

The most humid month in Teton is January, with an average relative humidity of 91%.

Rainfall

The month with the most rainfall is January, when the rain falls for 5.4 days and typically aggregates up to 1.5" (38mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Teton. January is the month with the most snowfall in Teton, Idaho. Snow falls for 18.1 days and accumulates 11.97" (304mm) of snow.

Daylight

In Teton, the average length of the day in January is 9h and 22min.
On the first day of January, sunrise is at 8:00 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:35 pm MST.

Sunshine

With an average of 4.3h of sunshine, January has the least sunshine of the year in Teton.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Teton. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 1 during January, leads to the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How cold is it in Teton in January?

In January, the average high-temperature and low-temperature in Teton, Idaho, are 27.1°F (-2.7°C) and 12.4°F (-10.9°C) respectively.

What is the most humid month in Teton?

The most humid month in Teton, Idaho, is January, with an average relative humidity of 91%.

What is the average humidity in January in Teton?

In Teton, the average relative humidity in January is 91%.

What is the wettest month in Teton?

The month with the most rainfall in Teton, Idaho, is January, when the rain falls for 5.4 days and typically aggregates up to 1.5" (38mm) of precipitation.

How many days does it rain in January in Teton?

In Teton, in January, during 5.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When does it snow the most in Teton?

January is the month with the most snowfall. Snow falls for 18.1 days and accumulates 11.97" (304mm) of snow.

How many days does it snow in January in Teton?

In Teton, during January, snow falls for 18.1 days and regularly aggregates up to 11.97" (304mm) of snow.

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

In January, the average day length in Teton is 9h and 22min.

When is the sunrise / sunset in January in Teton?

In January, on the first day of the month, sunrise is at 8:00 am and sunset at 4:59 pm. On the last day of the month, in Teton, Idaho, sunrise is at 7:44 am and sunset at 5:35 pm MST.

What is the month with the least sunshine in Teton?

The month with the least sunshine in Teton, Idaho, is January, with an average of 4.3h of sunshine.

How long on average sun shines in January in Teton?

In Teton, the average sunshine duration in January is 4.3h.

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

The months with the lowest UV index in Teton, Idaho, are January, February, November and December, with an average maximum UV index of 1.

How high is the UV index in January in Teton?

In Teton, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's 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
Teton, ID

Average temperature in January - Teton, ID
  • Average high temperature in January: 27.1°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in January: 12.4°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in January
Teton, ID

Average pressure in January - Teton, ID
  • Average pressure in January: 30.28"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Teton, ID

Average wind speed in January - Teton, ID
  • Average wind speed in January: 4.2mph

The windiest month (with the highest average wind speed) is June (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

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Average humidity in January
Teton, ID

Average humidity in January - Teton, ID
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in January
Teton, ID

Average rainfall in January - Teton, ID
  • Average rainfall in January: 1.5"

The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in January
Teton, ID

Average rainfall days in January - Teton, ID
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is April (13 days).
The month with the least rainy days is July (5 days).

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Average snowfall in January
Teton, ID

Average snowfall in January - Teton, ID
  • Average snowfall in January: 11.97"

The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Teton, ID

Average snowfall days in January - Teton, ID
  • Average snowfall days in January: 18.1 days

The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in January /
Average sunshine in January
Teton, ID

Average daylight in January / Average sunshine in January - Teton, ID
  • 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: 4h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in January
Teton, ID

Average sunshine days in January - Teton, ID
  • Average sunshine days in January: 12.8 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (10.6 days).

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Average UV index in January
Teton, ID

Average UV index in January - Teton, ID
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in January
Teton, ID

Average cloud cover in January - Teton, ID
  • Average cloud cover in January: 55

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in January
Teton, ID

Average visibility in January - Teton, ID
  • Average visibility in January: 3mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (3mi).

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Teton, Idaho, USA

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