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
The month of January sees the lowest average temperatures, reaching 34.9°F (1.6°C) at the peak and 22.1°F (-5.5°C) at the low.Humidity
The average relative humidity in January in Pleasant Hill is 77%.Rainfall
In January, in Pleasant Hill, the rain falls for 6.3 days. Throughout January, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 142.7 rainfall days, and 27.64" (702mm) of precipitation is accumulated.Snowfall
Months with snowfall in Pleasant Hill are January through April, October through December. January is the month with the most snowfall. Snow falls for 8.5 days and accumulates 3.03" (77mm) of snow.Daylight
The average length of the day in January in Pleasant Hill, Illinois, is 9h and 46min.On the first day of January in Pleasant Hill, sunrise is at 7:23 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:22 pm CST.
Sunshine
The months with the least sunshine are January and February, with an average of 4.5h of sunshine.UV index
The months with the lowest UV index in Pleasant Hill are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 2 in January transforms into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the coldest time of year in Pleasant Hill?
How cold is January in Pleasant Hill?
What is the average humidity in January in Pleasant Hill?
How many days does it rain in January in Pleasant Hill?
When does it snow the most in Pleasant Hill?
How much does it snow in Pleasant Hill in January?
What is the average length of the day in January in Pleasant Hill?
When are sunrise and sunset in January in Pleasant Hill?
What are the months with the least sunshine in Pleasant Hill?
How many hours of sunshine does Pleasant Hill have in January?
What is the month with the lowest UV index in Pleasant Hill?
What is the UV index reading in January in Pleasant Hill?
Average temperature in January
Pleasant Hill, IL
- Average high temperature in January: 34.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in January
Pleasant Hill, 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
Pleasant Hill, IL
- Average wind speed in January: 9.7mph
The windiest months (with the highest average wind speed) are January and February (9.7mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in January
Pleasant Hill, IL
- Average humidity in January: 77%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Pleasant Hill, IL
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in January
Pleasant Hill, IL
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in January
Pleasant Hill, IL
- Average snowfall in January: 3.03"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Pleasant Hill, IL
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is January (8.5 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
Pleasant Hill, 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 24min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in January
Pleasant Hill, IL
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in January
Pleasant Hill, 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
Pleasant Hill, IL
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in January
Pleasant Hill, 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).
Pleasant Hill, Illinois, USA
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