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
Chester, Idaho, registers an average high-temperature of a still subzero cold 27.1°F (-2.7°C) at the commencement of January, closely related to the preceding month. Chester throughout January, experiences an average nighttime temperature of 12.4°F (-10.9°C).Humidity
January is the most humid month, 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
Months with snowfall are January through May, September through December. January is the month with the most snowfall in Chester. Snow falls for 18.1 days and accumulates 11.97" (304mm) of snow.Daylight
In January, the average length of the day is 9h and 20min.On the first day of the month, sunrise is at 8:00 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:44 am and sunset at 5:34 pm MST.
Sunshine
The month with the least sunshine in Chester is January, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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?
What is the rainiest month?
How many days does it rain in January?
When does it snow the most?
How much does it snow in January?
How many hours of daylight does Chester have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Chester have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Chester, 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).
Average pressure in January
Chester, 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).
Average wind speed in January
Chester, 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).
Average humidity in January
Chester, 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%).
Average rainfall in January
Chester, 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").
Average rainfall days in January
Chester, 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).
Average snowfall in January
Chester, 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").
Average snowfall days in January
Chester, 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).
Average daylight in January /
Average sunshine in January
Chester, 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).
Average sunshine days in January
Chester, 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).
Average UV index in January
Chester, 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).
Average cloud cover in January
Chester, 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).
Average visibility in January
Chester, 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).
Chester, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location