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
January is Exeter's coldest month, registering average high temperatures of 33.8°F (1°C) and lows of 21.6°F (-5.8°C).Humidity
In Exeter, the average relative humidity in January is 78%.Rainfall
The months with the least rainfall are January, February and December Rain falls for 7.5 days and accumulates 1.73" (44mm) of rain.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall in Exeter. Snow falls for 9.8 days and accumulates 3.46" (88mm) of snow.Daylight
The average length of the day in January in Exeter is 9h and 44min.On the first day of January in Exeter, Illinois, sunrise is at 7:22 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:19 pm CST.
Sunshine
January has the least sunshine of the year in Exeter, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index in Exeter are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Exeter?
How cold is January in Exeter?
What is the average humidity in January in Exeter?
What is the driest month in Exeter?
How much does it rain in Exeter in January?
What is the snowiest month in Exeter?
How many days does it snow in January in Exeter?
How many hours of daylight does Exeter have in January?
When is the sunrise / sunset in January in Exeter?
What is the month with the least sunshine in Exeter?
How many hours of sunshine does Exeter have in January?
When is the lowest UV index in Exeter?
What is the UV index intensity in January in Exeter?
Average temperature in January
Exeter, IL
- Average high temperature in January: 33.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Exeter, IL
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Exeter, IL
- Average wind speed in January: 9.9mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in January
Exeter, IL
- Average humidity in January: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Exeter, IL
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").
Average rainfall days in January
Exeter, IL
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in January
Exeter, IL
- Average snowfall in January: 3.46"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Exeter, IL
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 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
Exeter, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Exeter, IL
- Average sunshine days in January: 15.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in January
Exeter, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Exeter, IL
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in January
Exeter, IL
- 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).
Exeter, Illinois, USA
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