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 the month when Jewett experiences its coldest temperatures, averaging a high of 34.5°F (1.4°C) and a low of 22.5°F (-5.3°C).Humidity
The average relative humidity in January is 79%.Rainfall
In Jewett, during January, the rain falls for 6.6 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 111.4 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Snowfall
Months with snowfall in Jewett are January through March, October through December. In January, in Jewett, it is snowing for 4.2 days. Throughout January, 0.59" (15mm) of snow is accumulated. Throughout the year, there are 16.9 snowfall days, and 2.4" (61mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:40 pm. On the last day of January, in Jewett, sunrise is at 7:00 am and sunset at 5:11 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.2h of sunshine.UV index
In Jewett, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Around midday, solar radiation is most harmful; hence, exposure should be limited. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Jewett?
How cold is January in Jewett?
What is the average humidity in January in Jewett?
How many days does it rain in January in Jewett?
How much does it snow in Jewett in January?
What is the average length of the day in January in Jewett?
What time are sunrise and sunset in January in Jewett?
What is the month with the least sunshine in Jewett?
How long on average sun shines in January in Jewett?
What is the UV index intensity in January in Jewett?
Average temperature in January
Jewett, IL
- Average high temperature in January: 34.5°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 (34.5°F).
- Average low temperature in January: 22.5°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 (22.5°F).
Average pressure in January
Jewett, 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 (29.93"Hg).
Average wind speed in January
Jewett, IL
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in January
Jewett, IL
- Average humidity in January: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Jewett, IL
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is April (1.3").
The driest months (with the least rainfall) are February, September and November (0.51").
Average rainfall days in January
Jewett, IL
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in January
Jewett, IL
- Average snowfall in January: 0.59"
The month with the highest snowfall is December (0.87").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Jewett, IL
- Average snowfall days in January: 4.2 days
The month with the highest number of snowfall days is February (5.3 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
Jewett, IL
- Average daylight in January: 9h and 5min
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 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Jewett, IL
- Average sunshine days in January: 22.2 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in January
Jewett, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Jewett, IL
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in January
Jewett, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Jewett, Illinois, USA
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