January weather forecastPutnam, IL
January
Weather in January
January, the same as December, in Putnam, Illinois, is a freezing cold winter month, with temperature in the range of an average high of 29.3°F (-1.5°C) and an average low of 17.4°F (-8.1°C).Temperature
The coldest period is January, when temperatures fluctuate between an average high of 29.3°F (-1.5°C) and a low of 17.4°F (-8.1°C).Humidity
In Putnam, Illinois, the average relative humidity in January is 82%.Rainfall
The months with the least rainfall in Putnam are January and December Rain falls for 6.4 days and accumulates 1.57" (40mm) of rain.Snowfall
January through April, October through December are months with snowfall. In Putnam, during January, snow falls for 11.2 days and regularly aggregates up to 3.62" (92mm) of snow. Throughout the year, there are 36.7 snowfall days, and 14.09" (358mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 37min.On the first day of January, sunrise is at 7:22 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:12 pm CST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Putnam, IL
- Average high temperature in January: 29.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in January: 17.4°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in January
Putnam, IL
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Putnam, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Putnam, IL
- Average humidity in January: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Putnam, IL
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days in January
Putnam, IL
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in January
Putnam, IL
- Average snowfall in January: 3.62"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Putnam, IL
- Average snowfall days in January: 11.2 days
The month with the highest number of snowfall days is January (11.2 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
Putnam, IL
- Average daylight in January: 9h and 36min
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 18min).
- Average sunshine in January: 3h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Putnam, IL
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in January
Putnam, IL
- 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
Putnam, IL
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Putnam, IL
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
