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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in Saint Libory, Illinois, with an average temperature varying between 25.2°F (-3.8°C) and 38.3°F (3.5°C). In Saint Libory, the lowest temperatures are generally noted in January, averaging a high of 38.3°F (3.5°C) and a low of 25.2°F (-3.8°C). Weather in January »
Weather in February
February, the last month of the winter in Saint Libory, is a chilly month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 43.3°F (6.3°C). As Saint Libory steps into February, the average high-temperature holds at a chilly 43.3°F (6.3°C), hinting at a minor fluctuation from the prior month. Weather in February »
Weather in March
March, the first month of the spring in Saint Libory, is a cool month, with an average temperature fluctuating between 54.5°F (12.5°C) and 38.3°F (3.5°C). March signals a shift in the average high-temperature, moving from February's frosty 43.3°F (6.3°C) to a cool 54.5°F (12.5°C). Weather in March »
Weather in April
April in Saint Libory, Illinois, is an enjoyable spring month, with an average temperature fluctuating between 47.8°F (8.8°C) and 65.7°F (18.7°C). The arrival of April signals an increase in the average high-temperature, moving from a fresh 54.5°F (12.5°C) in March to an enjoyable 65.7°F (18.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Saint Libory, Illinois, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 57.7°F (14.3°C). May's arrival signals a temperature shift, moving from a refreshing 65.7°F (18.7°C) in April to a warm 75°F (23.9°C). Weather in May »
Weather in June
June, the first month of the summer in Saint Libory, is still a warm month, with an average temperature varying between 84.6°F (29.2°C) and 66.4°F (19.1°C). Saint Libory's June weather shows an increase in high-temperatures, moving from May's 75°F (23.9°C) to a still moderately hot 84.6°F (29.2°C). Weather in June »
Weather in July
July is a tropical summer month in Saint Libory, Illinois, with an average temperature varying between 68.5°F (20.3°C) and 86.5°F (30.3°C). The average temperatures reach their apex in July, averaging 86.5°F (30.3°C) at the high end and 68.5°F (20.3°C) at the low end. In July, the heat index is computed to be a sweltering 100.4°F (38°C). Weather in July »
Weather in August
August, the last month of the summer in Saint Libory, is another warm month, with an average temperature varying between 84.7°F (29.3°C) and 65.8°F (18.8°C). Saint Libory marks the onset of August with an average high-temperature of a moderately hot 84.7°F (29.3°C), subtly divergent from July's 86.5°F (30.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Saint Libory, is still a warm month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 79.3°F (26.3°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from 84.7°F (29.3°C) in August to a still warm 79.3°F (26.3°C). Weather in September »
Weather in October
October, like September, in Saint Libory, Illinois, is another refreshing autumn month, with an average temperature ranging between min 49.1°F (9.5°C) and max 66.7°F (19.3°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 79.3°F (26.3°C) in September to an enjoyable 66.7°F (19.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Saint Libory, Illinois, with an average temperature fluctuating between 53.6°F (12°C) and 38.3°F (3.5°C). November involves a decrease in temperature, down from an enjoyable 66.7°F (19.3°C) in October to a cool 53.6°F (12°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Saint Libory, Illinois, with an average temperature ranging between min 31.1°F (-0.5°C) and max 43.3°F (6.3°C). The onset of December coincides with a reduction in the average high-temperature, falling from a fresh 53.6°F (12°C) in November to a frosty 43.3°F (6.3°C). Weather in December »
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Saint Libory's temperature records reveal January as the coldest month, marked by average highs of 38.3°F (3.5°C) and lows of 25.2°F (-3.8°C).
How many days does it rain in Saint Libory?
Throughout the year, in Saint Libory, there are 129.6 rainfall days, and 19.09" (485mm) of precipitation is accumulated.
When does it snow in Saint Libory?
Months with snowfall are January through March, September through December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 5.6 days and accumulates 1.06" (27mm) of snow.
How much does it snow?
In Saint Libory, during the entire year, snow falls for 16.2 days and aggregates up to 3.19" (81mm) of snow.
What is the month with the least sunshine in Saint Libory?
The month with the least sunshine is January, with an average of 4.7h of sunshine.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month?
The month with the least rainfall in Saint Libory is February, when the rain falls for 7.4 days and typically collects 0.83" (21mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow?
In Saint Libory, snow does not fall in April through August.
What is the most humid month?
The most humid month is May, with an average relative humidity of 79%.
What is the rainiest month in Saint Libory?
May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.48" (63mm) of precipitation.
What is the month with the highest UV index in Saint Libory?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.6h of sunshine.
What month is the hottest?
Saint Libory's temperatures tend to reach their peak averages in July, with a high of 86.5°F (30.3°C) and a low of 68.5°F (20.3°C).
What is the least humid month?
The least humid month in Saint Libory is October, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Saint Libory, IL
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Saint Libory, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Saint Libory, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.2mph - Average wind speed in April:
9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity
Saint Libory, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Saint Libory, IL
- Average rainfall in January:
1.18" - Average rainfall in February:
0.83" - Average rainfall in March:
1.3" - Average rainfall in April:
2.05" - Average rainfall in May:
2.48" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.13" - Average rainfall in August:
2.05" - Average rainfall in September:
1.1" - Average rainfall in October:
1.65" - Average rainfall in November:
1.02" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days
Saint Libory, IL
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
12.5 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).
Average snowfall
Saint Libory, IL
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").
Average snowfall days
Saint Libory, IL
- Average snowfall days in January:
5.6 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Saint Libory, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Saint Libory, IL
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
16 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).
Average UV index
Saint Libory, IL
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, November and December (UV index 2).
Average cloud cover
Saint Libory, IL
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility
Saint Libory, IL
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).
Saint Libory, Illinois, USA
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