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
January brings the lowest temperatures, with an average high of 41.4°F (5.2°C) and an average low of 28°F (-2.2°C).Humidity
In January, the average relative humidity in Joppa is 76%.Rainfall
In Joppa, Illinois, during January, the rain falls for 11 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Joppa, during the entire year, the rain falls for 160.7 days and collects up to 36.73" (933mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Joppa, during January, snow falls for 4.3 days and regularly aggregates up to 0.91" (23mm) of snow. In Joppa, during the entire year, snow falls for 12.9 days and aggregates up to 4.33" (110mm) of snow.Daylight
In Joppa, the average length of the day in January is 9h and 57min.On the first day of the month, sunrise is at 7:09 am and sunset at 4:48 pm. On the last day of January, sunrise is at 6:59 am and sunset at 5:18 pm CST.
Sunshine
With an average of 4.7h of sunshine, January has the least sunshine of the year in Joppa.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Joppa. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What time of the year is the coldest in Joppa?
Is January cold in Joppa?
What is the average humidity in January in Joppa?
How much does it rain in Joppa in January?
How much does it snow in Joppa in January?
How many hours of daylight does Joppa have in January?
When is the sunrise / sunset in January in Joppa?
What is the month with the least sunshine in Joppa?
How many hours of sunshine does Joppa have in January?
What is the month with the lowest UV index in Joppa?
How high is the UV index in January in Joppa?
Average temperature in January
Joppa, IL
- Average high temperature in January: 41.4°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in January: 28°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in January
Joppa, IL
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Joppa, IL
- Average wind speed in January: 8.9mph
The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in January
Joppa, IL
- Average humidity in January: 76%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Joppa, IL
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in January
Joppa, IL
- Average rainfall days in January: 11 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in January
Joppa, IL
- Average snowfall in January: 0.91"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Joppa, IL
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Joppa, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Joppa, IL
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
Joppa, IL
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Joppa, IL
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in January
Joppa, 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).
Joppa, Illinois, USA
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