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 an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.5°F (-8.6°C), January is the coldest month.Humidity
January and July, with an average relative humidity of 83%, are the most humid months.Rainfall
In West Chester, Iowa, during January, the rain falls for 4.4 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, in West Chester, Iowa, there are 123.7 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall in West Chester is January, when snow falls for 8.9 days and typically aggregates up to 2.52" (64mm) of snow.Daylight
In January, the average length of the day is 9h and 36min.On the first day of the month, sunrise is at 7:33 am and sunset at 4:48 pm. On the last day of January, in West Chester, sunrise is at 7:19 am and sunset at 5:21 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.2h of sunshine.UV index
January is the month with the lowest UV index in West Chester, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 1 suggests these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the coldest months in West Chester?
How cold is January in West Chester?
What is the most humid month in West Chester?
What is the average humidity in January in West Chester?
How many days does it rain in January in West Chester?
When does it snow the most in West Chester?
How much does it snow in West Chester in January?
What is the average length of the day in January in West Chester?
What time are sunrise and sunset in January in West Chester?
What is the month with the least sunshine in West Chester?
How many hours of sunshine does West Chester have in January?
When is the lowest UV index in West Chester?
How high is the UV index in January in West Chester?
Average temperature in January
West Chester, IA
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 16.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in January
West 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 (29.9"Hg).
Average wind speed in January
West Chester, IA
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in January
West Chester, IA
- Average humidity in January: 83%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
West Chester, IA
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in January
West Chester, IA
- Average rainfall days in January: 4.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in January
West Chester, IA
- Average snowfall in January: 2.52"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
West Chester, IA
- Average snowfall days in January: 8.9 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
West Chester, IA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
West Chester, IA
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in January
West Chester, IA
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
West Chester, IA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in January
West Chester, IA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
West Chester, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
