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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, in Leland Grove, Illinois, is another cold winter month, with an average temperature varying between 20.8°F (-6.2°C) and 33.4°F (0.8°C). In Leland Grove, January is the month with the lowest recorded average temperatures, measuring a high of 33.4°F (0.8°C) and a low of 20.8°F (-6.2°C). Weather in January »
Weather in February
February, the last month of the winter in Leland Grove, is also a wintry month, with temperature in the range of an average low of 24.8°F (-4°C) and an average high of 38.3°F (3.5°C). February registers an average high-temperature of a still cold 38.3°F (3.5°C), slightly varied from January's 33.4°F (0.8°C). Weather in February »
Weather in March
March, the first month of the spring in Leland Grove, is a cool month, with an average temperature fluctuating between 35.4°F (1.9°C) and 50.9°F (10.5°C). March sees a temperature increase, moving from a wintry 38.3°F (3.5°C) in February to a cool 50.9°F (10.5°C). Weather in March »
Weather in April
April is a comfortable spring month in Leland Grove, Illinois, with an average temperature fluctuating between 63.1°F (17.3°C) and 46.2°F (7.9°C). Leland Grove's transition into April sees a rise in the average high-temperature, advancing from a fresh 50.9°F (10.5°C) in March to a comfortable 63.1°F (17.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Leland Grove, Illinois, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 72.9°F (22.7°C). Leland Grove's May weather shows an increase in high-temperatures, moving from April's comfortable 63.1°F (17.3°C) to an agreeable 72.9°F (22.7°C). Weather in May »
Weather in June
June, the first month of the summer in Leland Grove, is a moderately hot month, with an average temperature fluctuating between 81.1°F (27.3°C) and 64.6°F (18.1°C). Leland Grove's weather shows a minor temperature rise with the arrival of June, moving from an agreeable 72.9°F (22.7°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Leland Grove, Illinois, with an average temperature ranging between max 82.8°F (28.2°C) and min 66°F (18.9°C). With average high temperatures of 82.8°F (28.2°C) and lows of 66°F (18.9°C), July is the warmest month. During July, the heat index is appraised at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Leland Grove, is also a moderately hot month, with an average temperature varying between 64°F (17.8°C) and 81.9°F (27.7°C). Transitioning into August, Leland Grove experiences an average high-temperature of a still warm 81.9°F (27.7°C), marking a minor shift from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Leland Grove, is also a moderately hot month, with an average temperature fluctuating between 58.5°F (14.7°C) and 77.4°F (25.2°C). Leland Grove experiences an average high-temperature of a still moderately hot 77.4°F (25.2°C) in September, marking an insignificant shift from 81.9°F (27.7°C) in August. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Leland Grove, Illinois, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 64°F (17.8°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a warm 77.4°F (25.2°C) in September to a comfortable 64°F (17.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Leland Grove, Illinois, with temperature in the range of an average high of 50°F (10°C) and an average low of 36.3°F (2.4°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's refreshing 64°F (17.8°C) to a fresh 50°F (10°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Leland Grove, Illinois, with an average temperature varying between 38.7°F (3.7°C) and 28°F (-2.2°C). As December arrives, Leland Grove's weather displays a decrease in high-temperatures, transitioning from November's cool 50°F (10°C) to an icy 38.7°F (3.7°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Leland Grove?
January is the coldest month of the year, registering average temperatures as high as 33.4°F (0.8°C) and as low as 20.8°F (-6.2°C).
How much does it rain in Leland Grove?
Throughout the year, in Leland Grove, Illinois, there are 140.2 rainfall days, and 23.27" (591mm) of precipitation is accumulated.
When does it snow in Leland Grove?
January through April, November and December are months with snowfall.
When does it snow the most in Leland Grove?
The month with the most snowfall in Leland Grove, Illinois, is January, when snow falls for 9.5 days and typically aggregates up to 2.24" (57mm) of snow.
How much does it snow in Leland Grove?
In Leland Grove, Illinois, during the entire year, snow falls for 28.1 days and aggregates up to 7.48" (190mm) of snow.
What is the month with the least sunshine in Leland Grove?
With an average of 4.2h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Leland Grove?
The months with the lowest UV index in Leland Grove, Illinois, are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Leland Grove?
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 Leland Grove?
May through October are months without snowfall.
What is the rainiest month in Leland Grove?
June is the month with the most rainfall in Leland Grove. Rain falls for 15.5 days and accumulates 2.72" (69mm) of precipitation.
When are the longest days in Leland Grove?
With an average of 14h and 54min of daylight, June has the longest days of the year in Leland Grove, Illinois.
What month has the most sunshine in Leland Grove?
With an average of 10.4h of sunshine, June has the most sunshine of the year in Leland Grove, Illinois.
What is the month with the highest UV index in Leland Grove?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Leland Grove, Illinois.
What is the hottest time of year in Leland Grove?
July is the warmest month, with the temperature often reaching an average high of 82.8°F (28.2°C) and an average low of 66°F (18.9°C).
What is the most humid month in Leland Grove?
July is the most humid month, with an average relative humidity of 84%.
What is the least humid month in Leland Grove?
The least humid month is October, with an average relative humidity of 70%.
What is the driest month in Leland Grove?
December is the month with the least rainfall. Rain falls for 7.1 days and accumulates 1.18" (30mm) of precipitation.
What is the month with the shortest days in Leland Grove?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Leland Grove, IL
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure
Leland Grove, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"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:
30.12"Hg - Average pressure in December:
30.12"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
Leland Grove, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Leland Grove, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Leland Grove, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
1.22" - Average rainfall in March:
1.65" - Average rainfall in April:
2.64" - Average rainfall in May:
2.68" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.09" - Average rainfall in August:
2.28" - Average rainfall in September:
2.28" - Average rainfall in October:
2.01" - Average rainfall in November:
1.26" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days
Leland Grove, IL
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall
Leland Grove, IL
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Leland Grove, IL
- Average snowfall days in January:
9.5 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
3.2 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:
0.2 days - Average snowfall days in November:
2 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Leland Grove, 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:
14h and 5min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Leland Grove, IL
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.4 days).
Average UV index
Leland Grove, IL
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
Leland Grove, IL
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility
Leland Grove, 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).
Leland Grove, Illinois, USA
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