Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
As Saint Charles welcomes January, the average high-temperature records at a still freezing cold 26.4°F (-3.1°C), marking an insignificant deviation from the prior month. January nights in Saint Charles are marked by an average temperature drop to a frigid cold 8.4°F (-13.1°C).Humidity
January is the most humid month, with an average relative humidity of 92%.Rainfall
In Saint Charles, Idaho, in January, during 4.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 105.7 rainfall days, and 16.69" (424mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Saint Charles, in January, snow falls for 19.3 days, with typically accumulated 10.91" (277mm) of snow. In Saint Charles, during the entire year, snow falls for 104.6 days and aggregates up to 63.58" (1615mm) of snow.Daylight
The average length of the day in January 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
With an average of 4.3h of sunshine, January has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 1 in January, converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in Saint Charles in January?
How many hours of daylight does Saint Charles have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Saint Charles have in January?
When is the lowest UV index?
How high is the UV index in January?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Saint Charles, Idaho, USA
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