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
Penfield's January weather, marked by an average high temperature of 31.5°F (-0.3°C) and an average low temperature of 19.8°F (-6.8°C), is the coldest in the year.Humidity
In January, the average relative humidity in Penfield, Illinois, is 81%.Rainfall
In January, in Penfield, the rain falls for 5.7 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. In Penfield, during the entire year, the rain falls for 121.5 days and collects up to 13.46" (342mm) of precipitation.Snowfall
Months with snowfall in Penfield are January through April, November and December. In Penfield, in January, during 7.9 snowfall days, 0.98" (25mm) of snow is typically accumulated. In Penfield, during the entire year, snow falls for 26.9 days and aggregates up to 3.78" (96mm) of snow.Daylight
In Penfield, Illinois, the average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:36 pm. On the last day of January, in Penfield, sunrise is at 7:01 am and sunset at 5:08 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Penfield?
How cold is January in Penfield?
What is the average humidity in January in Penfield?
How many days does it rain in January in Penfield?
How much does it snow in Penfield in January?
What is the average length of the day in January in Penfield?
What time are sunrise and sunset in January in Penfield?
What is the month with the least sunshine in Penfield?
How long on average sun shines in January in Penfield?
When is the lowest UV index in Penfield?
How high is the UV index in January in Penfield?
Average temperature in January
Penfield, IL
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Penfield, IL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Penfield, IL
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Penfield, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Penfield, IL
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in January
Penfield, IL
- Average rainfall days in January: 5.7 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in January
Penfield, IL
- Average snowfall in January: 0.98"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Penfield, IL
- Average snowfall days in January: 7.9 days
The month with the highest number of snowfall days is January (7.9 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
Penfield, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Penfield, IL
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Penfield, 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
Penfield, IL
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Penfield, 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).
Penfield, Illinois, USA
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