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
Greenfield's January weather, marked by an average high temperature of 35.2°F (1.8°C) and an average low temperature of 22.3°F (-5.4°C), is the coldest in the year.Humidity
In Greenfield, the average relative humidity in January is 77%.Rainfall
In January, the rain falls for 5.6 days. Throughout January, 0.71" (18mm) of precipitation is accumulated. Throughout the year, in Greenfield, there are 120.6 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
Months with snowfall in Greenfield are January through March, November and December. In January, in Greenfield, it is snowing for 6 days. Throughout January, 0.91" (23mm) of snow is accumulated. Throughout the year, in Greenfield, there are 19.1 snowfall days, and 3.82" (97mm) of snow is accumulated.Daylight
In Greenfield, the average length of the day in January is 9h and 46min.On the first day of January in Greenfield, sunrise is at 7:20 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine in Greenfield is January, with an average of 4.5h of sunshine.UV index
The months with the lowest UV index in Greenfield 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 average individuals.Note: The daily high UV index of 2 in January translates into this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Greenfield?
How cold is January in Greenfield?
What is the average humidity in January in Greenfield?
How many days does it rain in January in Greenfield?
How many days does it snow in January in Greenfield?
What is the average length of the day in January in Greenfield?
When are sunrise and sunset in January in Greenfield?
What is the month with the least sunshine in Greenfield?
How long on average sun shines in January in Greenfield?
What are the months with the lowest UV index in Greenfield?
What is the UV index intensity in January in Greenfield?
Average temperature in January
Greenfield, IL
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 22.3°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in January
Greenfield, 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
Greenfield, IL
- Average wind speed in January: 9.7mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in January
Greenfield, IL
- Average humidity in January: 77%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Greenfield, IL
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in January
Greenfield, IL
- Average rainfall days in January: 5.6 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in January
Greenfield, IL
- Average snowfall in January: 0.91"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Greenfield, IL
- Average snowfall days in January: 6 days
The month with the highest number of snowfall days is January (6 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
Greenfield, 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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in January
Greenfield, IL
- Average sunshine days in January: 20.5 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in January
Greenfield, 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
Greenfield, IL
- Average cloud cover in January: 51
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in January
Greenfield, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Greenfield, Illinois, USA
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