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
Sandwich's January weather, with an average high temperature of 28.2°F (-2.1°C) and an average low temperature of 16.2°F (-8.8°C), tends to be the coldest of the year.Humidity
In Sandwich, the average relative humidity in January is 83%.Rainfall
In Sandwich, in January, during 6.3 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, in Sandwich, Illinois, there are 168.3 rainfall days, and 35.47" (901mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall in Sandwich, Illinois, is January, when snow falls for 13.4 days and typically aggregates up to 4.88" (124mm) of snow.Daylight
The average length of the day in January in Sandwich, Illinois, is 9h and 34min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:08 pm CST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What time of the year is the coldest in Sandwich?
How cold is January in Sandwich?
What is the average humidity in January in Sandwich?
How much does it rain in Sandwich in January?
When does it snow the most in Sandwich?
How many days does it snow in January in Sandwich?
What is the average length of the day in January in Sandwich?
What time are sunrise and sunset in January in Sandwich?
What is the month with the least sunshine in Sandwich?
How long on average sun shines in January in Sandwich?
What are the months with the lowest UV index in Sandwich?
How high is the UV index in January in Sandwich?
Average temperature in January
Sandwich, IL
- Average high temperature in January: 28.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Sandwich, IL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Sandwich, IL
- Average wind speed in January: 9.8mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Sandwich, IL
- Average humidity in January: 83%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Sandwich, IL
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in January
Sandwich, IL
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in January
Sandwich, IL
- Average snowfall in January: 4.88"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Sandwich, IL
- Average snowfall days in January: 13.4 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sandwich, IL
- 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: 3h and 5min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Sandwich, IL
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in January
Sandwich, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Sandwich, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in January
Sandwich, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Sandwich, Illinois, USA
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