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's coldest month, January, registers temperatures that range from a high of 20.8°F (-6.2°C) to a low of 8.6°F (-13°C).Humidity
The most humid month is January, with an average relative humidity of 90%.Rainfall
The month with the least rainfall is January, when the rain falls for 4.1 days and typically collects 0.91" (23mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Chester, Iowa, in January, snow falls for 14.8 days, with typically accumulated 4.69" (119mm) of snow. Throughout the year, in Chester, Iowa, there are 60.5 snowfall days, and 23.35" (593mm) of snow is accumulated.Daylight
The average length of the day in January in Chester is 9h and 23min.On the first day of the month, sunrise is at 7:42 am and sunset at 4:43 pm. On the last day of January, in Chester, sunrise is at 7:26 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index in Chester are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 1 in January transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Chester?
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 driest month in Chester?
How many days does it rain in January in Chester?
How much does it snow in Chester in January?
What is the average length of the day in January in Chester?
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?
When is the lowest UV index in Chester?
What is the UV index reading in January in Chester?
Average temperature in January
Chester, IA
- Average high temperature in January: 20.8°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in January: 8.6°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in January
Chester, IA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Chester, IA
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in January
Chester, IA
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Chester, IA
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is June (4.53").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in January
Chester, IA
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in January
Chester, IA
- Average snowfall in January: 4.69"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Chester, IA
- Average snowfall days in January: 14.8 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Chester, IA
- 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: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Chester, IA
- Average sunshine days in January: 14 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in January
Chester, IA
- 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, IA
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Chester, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Chester, Iowa, USA
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