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
In Stonington, the lowest temperatures are generally noted in January, averaging a high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C).Humidity
In Stonington, the average relative humidity in January is 78%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 147.7 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall in Stonington. Snow falls for 8.8 days and accumulates 2.8" (71mm) of snow.Daylight
In Stonington, the average length of the day in January is 9h and 45min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:43 pm. On the last day of January, in Stonington, sunrise is at 7:05 am and sunset at 5:14 pm CST.
Sunshine
The month with the least sunshine in Stonington is January, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index in Stonington, Illinois, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Stonington?
How cold is January in Stonington?
What is the average humidity in January in Stonington?
How much does it rain in Stonington in January?
What is the snowiest month in Stonington?
How much does it snow in Stonington in January?
What is the average length of the day in January in Stonington?
What time are sunrise and sunset in January in Stonington?
What is the month with the least sunshine in Stonington?
How many hours of sunshine does Stonington have in January?
What is the month with the lowest UV index in Stonington?
What is the UV index intensity in January in Stonington?
Average temperature in January
Stonington, IL
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Stonington, 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 (29.92"Hg).
Average wind speed in January
Stonington, IL
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Stonington, IL
- Average humidity in January: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Stonington, IL
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is April (3.58").
The driest months (with the least rainfall) are February and December (1.65").
Average rainfall days in January
Stonington, IL
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in January
Stonington, IL
- Average snowfall in January: 2.8"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Stonington, IL
- Average snowfall days in January: 8.8 days
The month with the highest number of snowfall days is January (8.8 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
Stonington, 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 1min
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 12min).
Average sunshine days in January
Stonington, IL
- Average sunshine days in January: 15.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (11 days).
Average UV index in January
Stonington, 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
Stonington, IL
- 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 June, August and September (Cloud cover 30).
Average visibility in January
Stonington, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Stonington, Illinois, USA
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