January weather forecast
Stanley, ID

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A mirror image of the iconic Sawtooth Mountain Range located in Meadow Creek in Stanley, Idaho, in the famed Sawtooth National Recreation Area
A mirror image of the iconic Sawtooth Mountain Range located in Meadow Creek in Stanley, Idaho, in the famed Sawtooth National Recreation Area

Weather in January

January greets Stanley with the heart of winter, blanketing the town in heavy snow. The month holds the year's lowest average temperatures, from a chilly 5.7°F (-14.6°C) at night, to daytime high of only 25.9°F (-3.4°C) along with 14.69" (373mm) of snowfall in 17.3 days. The days remain short with the sun barely peeking out. This contributes to the quiet, tranquil mood of this winter gateway, perfect for cozy evenings by the fireplace.

Temperature

The average high-temperature in Stanley during January registers at a still freezing cold 25.9°F (-3.4°C), closely corresponding to the preceding month. Stanley witnesses an average low-temperature of 5.7°F (-14.6°C) throughout the month of January.

Humidity

The average relative humidity in January is 89%.

Rainfall

In Stanley, in January, it is raining for 3.1 days, with typically 1.85" (47mm) of accumulated precipitation. In Stanley, during the entire year, the rain falls for 98.2 days and collects up to 19.25" (489mm) of precipitation.

Snowfall

Months with snowfall in Stanley are January through June, September through December. In Stanley, Idaho, in January, during 17.3 snowfall days, 14.69" (373mm) of snow is typically accumulated. Throughout the year, there are 131.3 snowfall days, and 100.24" (2546mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 19min.
On the first day of January, sunrise is at 8:15 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:47 pm MST.

Sunshine

January and December, with an average of 4.4h of sunshine, are months with the least sunshine in Stanley.

UV index

The months with the lowest UV index in Stanley are January through March and November, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the maximum UV index of 1 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. During bright days, sunglasses that offer UVA and UVB defense are recommended. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold is it in Stanley in January?

An average high-temperature, in January, in Stanley, is 25.9°F (-3.4°C) and the average low-temperature is 5.7°F (-14.6°C).

What is the average humidity in January in Stanley?

In Stanley, the average relative humidity in January is 89%.

How much does it rain in Stanley in January?

In Stanley, in January, it is raining for 3.1 days, with typically 1.85" (47mm) of accumulated precipitation.

How much does it snow in Stanley in January?

In Stanley, in January, during 17.3 snowfall days, 14.69" (373mm) of snow is typically accumulated.

How many hours of daylight does Stanley have in January?

The average day length in January is 9h and 19min.

What time are sunrise and sunset in January in Stanley?

On the first day of January, sunrise is at 8:15 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:47 pm MST.

What is the month with the least sunshine in Stanley?

The months with the least sunshine are January and December, with an average of 4.4h of sunshine.

How many hours of sunshine does Stanley have in January?

In January, the average sunshine duration is 4.4h.

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

January through March and November, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in January in Stanley?

In January, the average daily maximum UV index in Stanley is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Stanley, ID

Average temperature in January - Stanley, ID
  • Average high temperature in January: 25.9°F

The warmest month (with the highest average high temperature) is July (72.7°F).
The month with the lowest average high temperature is December (23.9°F).

  • Average low temperature in January: 5.7°F

The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is December (5.4°F).

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Average pressure in January
Stanley, ID

Average pressure in January - Stanley, ID
  • Average pressure in January: 30.26"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Stanley, ID

Average wind speed in January - Stanley, ID
  • Average wind speed in January: 4.8mph

The windiest month (with the highest average wind speed) is July (5.8mph).
The calmest months (with the lowest average wind speed) are January and October (4.8mph).

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Average humidity in January
Stanley, ID

Average humidity in January - Stanley, ID
  • Average humidity in January: 89%

The months with the highest relative humidity are February and March (91%).
The month with the lowest relative humidity is July (44%).

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Average rainfall in January
Stanley, ID

Average rainfall in January - Stanley, ID
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is March (2.17").
The driest months (with the least rainfall) are July and August (0.63").

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Average rainfall days in January
Stanley, ID

Average rainfall days in January - Stanley, ID
  • Average rainfall days in January: 3.1 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (3.1 days).

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Average snowfall in January
Stanley, ID

Average snowfall in January - Stanley, ID
  • Average snowfall in January: 14.69"

The month with the highest snowfall is December (16.77").
The months with the least snowfall are July and August (0").

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Average snowfall days in January
Stanley, ID

Average snowfall days in January - Stanley, ID
  • Average snowfall days in January: 17.3 days

The month with the highest number of snowfall days is March (21.6 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
Stanley, ID

Average daylight in January / Average sunshine in January - Stanley, ID
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).

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Average sunshine days in January
Stanley, ID

Average sunshine days in January - Stanley, ID
  • Average sunshine days in January: 13.9 days

The month with the most sunshine days is July (20 days).
The month with the least sunshine days is April (8.1 days).

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Average UV index in January
Stanley, ID

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and November (UV index 1).

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Average cloud cover in January
Stanley, ID

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

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 12).

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Average visibility in January
Stanley, ID

Average visibility in January - Stanley, ID
  • Average visibility in January: 4mi

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

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Stanley, Idaho, USA

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