January weather forecast
Saint Charles, ID

Share

Weather in January

January, the same as December, in Saint Charles, Idaho, is a freezing cold winter month, with an average temperature fluctuating between 8.4°F (-13.1°C) and 26.4°F (-3.1°C).

Temperature

On the advent of January, Saint Charles's average high-temperature exhibits a minor adjustment to a still freezing cold 26.4°F (-3.1°C) from December's 25.5°F (-3.6°C). The average temperature during January nights in Saint Charles is registered at an extreme cold 8.4°F (-13.1°C).

Humidity

With an average relative humidity of 92%, January is the most humid month.

Rainfall

In January, the rain falls for 4.3 days. Throughout January, 1.34" (34mm) of precipitation is accumulated. In Saint Charles, during the entire year, the rain falls for 105.7 days and collects up to 16.69" (424mm) of precipitation.

Snowfall

Months with snowfall in Saint Charles are January through June, September through December. In Saint Charles, during January, snow falls for 19.3 days and regularly aggregates up to 10.91" (277mm) of snow. Throughout the year, there are 104.6 snowfall days, and 63.58" (1615mm) of snow is accumulated.

Daylight

The average length of the day in January in Saint Charles is 9h and 32min.
On the first day of January, sunrise is at 7:53 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:38 pm MST.

Sunshine

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

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In January, an average UV index of 1 transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
[Resources]

Frequently asked questions

How cold is it in Saint Charles in January?

The average high-temperature, in January, in Saint Charles, is 26.4°F (-3.1°C), while the average low-temperature is 8.4°F (-13.1°C).

What is the most humid month in Saint Charles?

The most humid month in Saint Charles, Idaho, is January, with an average relative humidity of 92%.

What is the average humidity in January in Saint Charles?

In January, the average relative humidity is 92%.

How many days does it rain in January in Saint Charles?

In Saint Charles, Idaho, in January, during 4.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

How many days does it snow in January in Saint Charles?

In Saint Charles, in January, during 19.3 snowfall days, 10.91" (277mm) of snow is typically accumulated.

What is the average length of the day in January in Saint Charles?

In January, the average day length in Saint Charles, Idaho, is 9h and 32min.

When is the sunrise / sunset in January in Saint Charles?

In January, on the first day of the month, sunrise is at 7:53 am and sunset at 5:04 pm. On the last day of the month, in Saint Charles, Idaho, sunrise is at 7:39 am and sunset at 5:38 pm MST.

What is the month with the least sunshine in Saint Charles?

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

How long on average sun shines in January in Saint Charles?

The average sunshine duration in January is 4.3h.

What is the month with the lowest UV index in Saint Charles?

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

What is the UV index intensity in January in Saint Charles?

In Saint Charles, Idaho, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Saint Charles, ID

Average temperature in January - Saint Charles, ID
  • Average high temperature in January: 26.4°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in January: 8.4°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

[Resources]

Average pressure in January
Saint Charles, ID

Average pressure in January - Saint Charles, ID
  • Average pressure in January: 30.29"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

[Resources]

Average wind speed in January
Saint Charles, ID

Average wind speed in January - Saint Charles, ID
  • Average wind speed in January: 4.3mph

The windiest month (with the highest average wind speed) is June (6mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

[Resources]

Average humidity in January
Saint Charles, ID

Average humidity in January - Saint Charles, ID
  • Average humidity in January: 92%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (42%).

[Resources]

Average rainfall in January
Saint Charles, ID

Average rainfall in January - Saint Charles, ID
  • Average rainfall in January: 1.34"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is July (0.91").

[Resources]

Average rainfall days in January
Saint Charles, ID

Average rainfall days in January - Saint Charles, ID
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.3 days).

[Resources]

Average snowfall in January
Saint Charles, ID

Average snowfall in January - Saint Charles, ID
  • Average snowfall in January: 10.91"

The month with the highest snowfall is March (12.17").
The months with the least snowfall are July and August (0").

[Resources]

Average snowfall days in January
Saint Charles, ID

Average snowfall days in January - Saint Charles, ID
  • Average snowfall days in January: 19.3 days

The month with the highest number of snowfall days is February (20 days).
The months with the least snowfall days are July and August (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Saint Charles, ID

Average daylight in January / Average sunshine in January - Saint Charles, ID
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 4h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

[Resources]

Average sunshine days in January
Saint Charles, ID

Average sunshine days in January - Saint Charles, ID
  • Average sunshine days in January: 12.6 days

The month with the most sunshine days is July (18.4 days).
The month with the least sunshine days is February (8.6 days).

[Resources]

Average UV index in January
Saint Charles, ID

Average UV index in January - Saint Charles, ID
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

[Resources]

Average cloud cover in January
Saint Charles, ID

Average cloud cover in January - Saint Charles, ID
  • Average cloud cover in January: 58

The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 13).

[Resources]

Average visibility in January
Saint Charles, ID

Average visibility in January - Saint Charles, ID
  • Average visibility in January: 3mi

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

[Resources]

Saint Charles, Idaho, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location