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
Hartsburg records the coldest temperatures in January, averaging a high of 32.2°F (0.1°C) and a low of 19.9°F (-6.7°C).Humidity
In Hartsburg, the average relative humidity in January is 80%.Rainfall
In January, in Hartsburg, the rain falls for 6.3 days. Throughout January, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 135 rainfall days, and 20.28" (515mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 8.2 days and accumulates 2.76" (70mm) of snow.Daylight
The average length of the day in January in Hartsburg is 9h and 41min.On the first day of the month, sunrise is at 7:20 am and sunset at 4:42 pm. On the last day of January, in Hartsburg, sunrise is at 7:07 am and sunset at 5:14 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 in Hartsburg. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Hartsburg?
How cold is January in Hartsburg?
What is the average humidity in January in Hartsburg?
How many days does it rain in January in Hartsburg?
What is the snowiest month in Hartsburg?
How much does it snow in Hartsburg in January?
What is the average length of the day in January in Hartsburg?
When is the sunrise / sunset in January in Hartsburg?
What is the month with the least sunshine in Hartsburg?
How many hours of sunshine does Hartsburg have in January?
What is the month with the lowest UV index in Hartsburg?
What is the UV index reading in January in Hartsburg?
Average temperature in January
Hartsburg, IL
- Average high temperature in January: 32.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Hartsburg, 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 (29.91"Hg).
Average wind speed in January
Hartsburg, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Hartsburg, IL
- Average humidity in January: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Hartsburg, IL
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in January
Hartsburg, IL
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in January
Hartsburg, 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
Hartsburg, IL
- Average snowfall days in January: 8.2 days
The month with the highest number of snowfall days is January (8.2 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
Hartsburg, 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Hartsburg, IL
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Hartsburg, 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
Hartsburg, IL
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in January
Hartsburg, 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).
Hartsburg, Illinois, USA
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