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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, like December, is a freezing cold winter month in Le Roy, Illinois, with an average temperature ranging between max 31.3°F (-0.4°C) and min 19.6°F (-6.9°C). With average high temperatures of 31.3°F (-0.4°C) and lows of 19.6°F (-6.9°C), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Le Roy, Illinois, with an average temperature ranging between min 23°F (-5°C) and max 35.8°F (2.1°C). Welcoming February, Le Roy notes an average high-temperature of a cold 35.8°F (2.1°C), nearly consistent with January's 31.3°F (-0.4°C). Weather in February »
Weather in March
March, the first month of the spring in Le Roy, is a frosty month, with an average temperature varying between 34.3°F (1.3°C) and 49.1°F (9.5°C). March shows a rise in the average high-temperature, moving from February's wintry 35.8°F (2.1°C) to a frosty 49.1°F (9.5°C). Weather in March »
Weather in April
April in Le Roy, Illinois, is a comfortable spring month, with an average temperature ranging between max 61.2°F (16.2°C) and min 44.8°F (7.1°C). With the beginning of April, Le Roy's average high-temperature sees an increase, transitioning from a frosty 49.1°F (9.5°C) in March to a comfortable 61.2°F (16.2°C). Weather in April »
Weather in May
May, the last month of the spring in Le Roy, is a pleasant month, with an average temperature ranging between max 72°F (22.2°C) and min 55.6°F (13.1°C). As May arrives, a rise in the average high-temperature is observed, moving from a refreshing 61.2°F (16.2°C) in April to an agreeable 72°F (22.2°C). Weather in May »
Weather in June
June, the first month of the summer in Le Roy, is a moderately hot month, with an average temperature varying between 79.7°F (26.5°C) and 63.5°F (17.5°C). With the onset of June, Le Roy observes a minor temperature ascent, with the average high-temperature adjusting from May's agreeable 72°F (22.2°C) to a moderately hot 79.7°F (26.5°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Le Roy, Illinois, with an average temperature fluctuating between 80.8°F (27.1°C) and 64.9°F (18.3°C). With average high and low temperatures of 80.8°F (27.1°C) and 64.9°F (18.3°C) respectively, July is Le Roy's warmest month. The heat index in July is evaluated at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Le Roy, is also a moderately hot month, with an average temperature varying between 63.1°F (17.3°C) and 79.9°F (26.6°C). At the start of August, Le Roy's average high-temperature reaches a still moderately hot 79.9°F (26.6°C), subtly different from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Le Roy, Illinois, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 57.9°F (14.4°C). Le Roy experiences an average high-temperature of a still warm 75.9°F (24.4°C) in September, marking an insignificant shift from 79.9°F (26.6°C) in August. Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Le Roy, Illinois, with an average temperature ranging between min 46.8°F (8.2°C) and max 62.2°F (16.8°C). With October's onset, the average high-temperature recedes from September's warm 75.9°F (24.4°C) to an enjoyable 62.2°F (16.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Le Roy, is another chilly month, with an average temperature fluctuating between 34.9°F (1.6°C) and 48°F (8.9°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a refreshing 62.2°F (16.8°C) in October to a chilly 48°F (8.9°C). Weather in November »
Weather in December
December, the first month of the winter in Le Roy, is still a cold month, with an average temperature varying between 26.6°F (-3°C) and 36.9°F (2.7°C). Setting in of December comes with a decrease in the average high-temperature, moving from a chilly 48°F (8.9°C) in November to a cold 36.9°F (2.7°C). Weather in December »
Updated: Feb 12, 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 month in Le Roy?
The coldest time of the year in Le Roy is January, with temperatures averaging a high of 31.3°F (-0.4°C) and a low of 19.6°F (-6.9°C).
How many days does it rain in Le Roy?
Throughout the year, in Le Roy, there are 139 rainfall days, and 20.83" (529mm) of precipitation is accumulated.
When does it snow in Le Roy?
Months with snowfall are January through April, November and December.
What is the snowiest month in Le Roy?
The month with the most snowfall is January, when snow falls for 9.8 days and typically aggregates up to 2.8" (71mm) of snow.
How many days does it snow in Le Roy?
In Le Roy, Illinois, during the entire year, snow falls for 28.1 days and aggregates up to 9.17" (233mm) of snow.
What is the month with the least sunshine in Le Roy?
With an average of 3.9h of sunshine, January has the least sunshine of the year in Le Roy, Illinois.
What is the month with the lowest UV index in Le Roy?
The months with the lowest UV index in Le Roy are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Le Roy?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Le Roy, 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.
What is the wettest month in Le Roy?
May is the month with the most rainfall in Le Roy. Rain falls for 17.5 days and accumulates 2.87" (73mm) of precipitation.
When it does not snow in Le Roy?
May through October are months without snowfall.
When are the longest days in Le Roy?
June has the longest days of the year in Le Roy, Illinois, with an average of 15h and 0min of daylight.
What month has the most sunshine in Le Roy?
June has the most sunshine of the year in Le Roy, with an average of 10.1h of sunshine.
What is the month with the highest UV index in Le Roy?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest in Le Roy?
With its average high temperature of 80.8°F (27.1°C) and a low of 64.9°F (18.3°C), July is regarded as the warmest month in Le Roy.
What is the most humid month in Le Roy?
July is the most humid month, with an average relative humidity of 85%.
What is the least humid month in Le Roy?
The least humid month in Le Roy, Illinois, is October, with an average relative humidity of 71%.
What is the driest month in Le Roy?
December is the month with the least rainfall in Le Roy, Illinois. Rain falls for 7.5 days and accumulates 1.1" (28mm) of precipitation.
What is the month with the shortest days in Le Roy?
The month with the shortest days in Le Roy is December, with an average of 9h and 24min of daylight.
Average temperature
Le Roy, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°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 (19.6°F).
Average pressure
Le Roy, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"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
Le Roy, IL
- Average wind speed in January:
11mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Le Roy, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Le Roy, IL
- Average rainfall in January:
1.18" - Average rainfall in February:
1.14" - Average rainfall in March:
1.57" - Average rainfall in April:
2.32" - Average rainfall in May:
2.87" - Average rainfall in June:
2.4"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days
Le Roy, IL
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Le Roy, IL
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Le Roy, IL
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.6 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 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Le Roy, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - 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 0min - Average daylight in December:
9h and 2min
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:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Le Roy, IL
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Le Roy, IL
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
Le Roy, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility
Le Roy, IL
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).
Le Roy, Illinois, USA
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