Climate and monthly weather forecastPeotone, IL
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Peotone, Illinois, with an average temperature ranging between min 18.3°F (-7.6°C) and max 29.7°F (-1.3°C). The month of January, characterized by an average high of 29.7°F (-1.3°C) and a low of 18.3°F (-7.6°C), is recognized as the coldest. Weather in January »Weather in February
February, the last month of the winter in Peotone, is an icy month, with temperature in the range of an average low of 21°F (-6.1°C) and an average high of 33.4°F (0.8°C). The advent of February brings an average high-temperature of an icy 33.4°F (0.8°C), exhibiting minor difference from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Peotone, Illinois, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 32.5°F (0.3°C). In Peotone, the average high-temperature in March increases from a wintry 33.4°F (0.8°C) in February to a frosty 46.4°F (8°C). Weather in March »Weather in April
April is a mild spring month in Peotone, Illinois, with an average temperature ranging between max 58.3°F (14.6°C) and min 42.1°F (5.6°C). An escalation in the average high-temperature is seen with the onset of April, moving from a chilly 46.4°F (8°C) in March to a mild 58.3°F (14.6°C). Weather in April »Weather in May
May, the last month of the spring in Peotone, is a pleasant month, with an average temperature ranging between max 70.3°F (21.3°C) and min 53.2°F (11.8°C). As April transitions into May, Peotone sees a rise in the average high-temperature, moving from a moderate 58.3°F (14.6°C) to an agreeable 70.3°F (21.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Peotone, Illinois, with an average temperature fluctuating between 79°F (26.1°C) and 61.5°F (16.4°C). With the onset of June, Peotone observes a minor temperature ascent, with the average high-temperature adjusting from May's pleasant 70.3°F (21.3°C) to a moderately hot 79°F (26.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Peotone, Illinois, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 81.3°F (27.4°C). July is the warmest month, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 64.8°F (18.2°C). The average heat index in July is calculated to be a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Peotone, Illinois, with an average temperature ranging between min 63.1°F (17.3°C) and max 80.1°F (26.7°C). Peotone, Illinois, indicates an average high-temperature of a still warm 80.1°F (26.7°C) in August, showing minor variation from July's 81.3°F (27.4°C). Weather in August »Weather in September
September, the first month of the autumn in Peotone, is still a warm month, with an average temperature varying between 74.8°F (23.8°C) and 57.2°F (14°C). On the advent of September, Peotone's average high-temperature exhibits a minor adjustment to a still warm 74.8°F (23.8°C) from August's 80.1°F (26.7°C). Weather in September »Weather in October
October, like September, in Peotone, Illinois, is another refreshing autumn month, with an average temperature varying between 46.4°F (8°C) and 61.7°F (16.5°C). As September transitions to October, the average high-temperature falls from a moderately hot 74.8°F (23.8°C) to a comfortable 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Peotone, Illinois, with an average temperature varying between 47.1°F (8.4°C) and 34.5°F (1.4°C). Peotone's November weather is characterized by a distinct downswing in high-temperatures, falling from October's comfortable 61.7°F (16.5°C) to a frosty 47.1°F (8.4°C). Weather in November »Weather in December
December, the first month of the winter in Peotone, is also an icy month, with an average temperature varying between 25.9°F (-3.4°C) and 35.6°F (2°C). The onset of December comes with a shift in the average high-temperature, falling from a frosty 47.1°F (8.4°C) in November to an icy 35.6°F (2°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
The month of January sees the average lowest temperatures in Peotone, Illinois, reaching 29.7°F (-1.3°C) at the peak and 18.3°F (-7.6°C) at the low.
Throughout the year, there are 115.5 rainfall days, and 11.65" (296mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall. Snow falls for 10.2 days and accumulates 1.34" (34mm) of snow.
Throughout the year, in Peotone, Illinois, there are 33.7 snowfall days, and 4.92" (125mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.7h of sunshine.
The months with the lowest UV index in Peotone, Illinois, are January and December, with an average maximum UV index of 1.
With an average relative humidity of 83%, February is the most humid month.
February is the month with the least rainfall in Peotone. Rain falls for 4.4 days and accumulates 0.55" (14mm) of precipitation.
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.
May is the month with the most rainfall in Peotone. Rain falls for 14.2 days and accumulates 1.77" (45mm) of precipitation.
May through September are months without snowfall.
With an average of 15h and 6min of daylight, June has the longest days of the year in Peotone, Illinois.
The months with the highest UV index in Peotone are June and July, with an average maximum UV index of 6.
July registers as the month with the average highest temperatures in Peotone, Illinois, reaching 81.3°F (27.4°C) at its peak and 64.8°F (18.2°C) at the lowest.
With an average of 9.9h of sunshine, August has the most sunshine of the year in Peotone.
With an average relative humidity of 73%, October is the least humid month in Peotone, Illinois.
The month with the shortest days in Peotone is December, with an average of 9h and 18min of daylight.
Average temperature
Peotone, IL
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Peotone, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Peotone, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6mph - Average wind speed in September:
7mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Peotone, IL
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Peotone, IL
- Average rainfall in January:
0.59" - Average rainfall in February:
0.55" - Average rainfall in March:
0.75" - Average rainfall in April:
1.3" - Average rainfall in May:
1.77" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.14" - Average rainfall in August:
1.02" - Average rainfall in September:
0.94" - Average rainfall in October:
1.02" - Average rainfall in November:
0.63" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days
Peotone, IL
- Average rainfall days in January:
5 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
11.1 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
7 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall
Peotone, IL
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Peotone, IL
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.1 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:
0.3 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6.7 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Peotone, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Peotone, IL
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
17.4 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are June and July (12.2 days).
Average UV index
Peotone, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Peotone, IL
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Peotone, IL
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
