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
With the transition into January, Chester notes an average high-temperature of a still freezing cold 27.1°F (-2.7°C), closely resembling December. During January, the temperature in Chester is averaged to a low of 12.4°F (-10.9°C) at night.Humidity
The most humid month is January, with an average relative humidity of 91%.Rainfall
January is the month with the most rainfall. Rain falls for 5.4 days and accumulates 1.5" (38mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Chester. January is the month with the most snowfall. Snow falls for 18.1 days and accumulates 11.97" (304mm) of snow.Daylight
The average length of the day in January is 9h and 20min.On the first day of January in Chester, sunrise is at 8:00 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:34 pm MST.
Sunshine
The month with the least sunshine 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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during January leads to these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is January in Chester?
What is the most humid month in Chester?
What is the average humidity in January in Chester?
What is the rainiest month in Chester?
How much does it rain in Chester in January?
When does it snow the most in Chester?
How much does it snow in Chester in January?
How many hours of daylight does Chester have in January?
What time are sunrise and sunset in January in Chester?
What is the month with the least sunshine in Chester?
How long on average sun shines in January in Chester?
What are the months with the lowest UV index in Chester?
What is the UV index reading in January in Chester?
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
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