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
Parnell's coldest weather arrives in January, when temperatures average a high of 31.5°F (-0.3°C) and a low of 19.9°F (-6.7°C).Humidity
The average relative humidity in January in Parnell is 80%.Rainfall
In Parnell, during January, the rain falls for 6.3 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Parnell, there are 138.7 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Parnell. The month with the most snowfall is January, when snow falls for 9.6 days and typically aggregates up to 2.76" (70mm) of snow.Daylight
In January, the average length of the day is 9h and 42min.On the first day of January in Parnell, sunrise is at 7:17 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:11 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
The months with the lowest UV index in Parnell are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In January, the UV index of 2 transforms into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Parnell?
How cold is January in Parnell?
What is the average humidity in January in Parnell?
How much does it rain in Parnell in January?
When does it snow the most in Parnell?
How much does it snow in Parnell in January?
How many hours of daylight does Parnell have in January?
When are sunrise and sunset in January in Parnell?
What is the month with the least sunshine in Parnell?
How many hours of sunshine does Parnell have in January?
What are the months with the lowest UV index in Parnell?
How high is the UV index in January in Parnell?
Average temperature in January
Parnell, 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: 19.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Parnell, 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
Parnell, IL
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Parnell, IL
- Average humidity in January: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Parnell, IL
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in January
Parnell, IL
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in January
Parnell, IL
- Average snowfall in January: 2.76"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Parnell, IL
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is January (9.6 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
Parnell, 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
Parnell, IL
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in January
Parnell, IL
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Parnell, IL
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in January
Parnell, 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).
Parnell, Illinois, USA
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