Climate and monthly weather forecastStone Park, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Stone Park, Illinois, is another subzero cold winter month, with an average temperature varying between 28.8°F (-1.8°C) and 18°F (-7.8°C). Stone Park experiences its lowest average temperatures in January, reaching a peak of 28.8°F (-1.8°C) and a minimum of 18°F (-7.8°C). Weather in January »Weather in February
The last month of the winter, February, is an icy month in Stone Park, Illinois, with an average temperature fluctuating between 32.4°F (0.2°C) and 20.7°F (-6.3°C). The arrival of February coincides with an average high-temperature of an icy 32.4°F (0.2°C), indicating a minimal shift from January's 28.8°F (-1.8°C). Weather in February »Weather in March
March, the first month of the spring in Stone Park, is a frosty month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 31.5°F (-0.3°C). March's onset is marked by a temperature increase, moving from a cold 32.4°F (0.2°C) in February to a chilly 44.2°F (6.8°C). Weather in March »Weather in April
April is a cool spring month in Stone Park, Illinois, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 55.2°F (12.9°C). Stone Park's transition into April is marked by a temperature shift, moving from a chilly 44.2°F (6.8°C) in March to a fresh 55.2°F (12.9°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Stone Park, Illinois, with an average temperature varying between 67.3°F (19.6°C) and 51.6°F (10.9°C). Entering May, Stone Park sees a temperature rise, with the average high-temperature advancing from April's fresh 55.2°F (12.9°C) to a refreshing 67.3°F (19.6°C). Weather in May »Weather in June
June, the first month of the summer in Stone Park, is a moderately hot month, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 76.8°F (24.9°C). Stone Park's transition into June sees a rise in the average high-temperature, advancing from an enjoyable 67.3°F (19.6°C) in May to a warm 76.8°F (24.9°C). Weather in June »Weather in July
July, like June, in Stone Park, Illinois, is another warm summer month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 66.6°F (19.2°C). July is the month that records the highest temperatures, with averages ranging from a high of 81.9°F (27.7°C) to a low of 66.6°F (19.2°C). The heat index value during July is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Stone Park, Illinois, with an average temperature fluctuating between 80.2°F (26.8°C) and 65.7°F (18.7°C). Stone Park registers an average high-temperature of a still moderately hot 80.2°F (26.8°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Stone Park, Illinois, with an average temperature varying between 73.4°F (23°C) and 58.6°F (14.8°C). As August makes way for September, Stone Park's average high-temperature eases from a warm 80.2°F (26.8°C) to a still moderately hot 73.4°F (23°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Stone Park, Illinois, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 46.6°F (8.1°C). Stone Park in October demonstrates a small temperature transition, adjusting from an average high of a warm 73.4°F (23°C) in September to a mild 60.4°F (15.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Stone Park, Illinois, with an average temperature fluctuating between 33.6°F (0.9°C) and 45.9°F (7.7°C). With the onset of November, Stone Park's weather experiences a distinct temperature drop, moving from a moderate 60.4°F (15.8°C) in October to a chilly 45.9°F (7.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Stone Park, Illinois, with an average temperature fluctuating between 34.7°F (1.5°C) and 25.2°F (-3.8°C). Arrival of December comes with a reduction in the average high-temperature, falling from a chilly 45.9°F (7.7°C) in November to a wintry 34.7°F (1.5°C). Weather in December »Updated: Jun 13, 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
During the coldest month in Stone Park, January, temperatures average a high of 28.8°F (-1.8°C) and a low of 18°F (-7.8°C).
The months with the highest humidity are January and February, with an average relative humidity of 82%.
Throughout the year, in Stone Park, there are 149.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Stone Park, during the entire year, snow falls for 45.8 days and aggregates up to 14.25" (362mm) of snow.
The month with the least sunshine is January, with an average of 3.7h of sunshine.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
February is the month with the most snowfall. Snow falls for 10.9 days and accumulates 3.86" (98mm) of snow.
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.
The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 3.11" (79mm) of precipitation.
In Stone Park, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 12min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
During the warmest month in Stone Park, July, temperatures average a high of 81.9°F (27.7°C) and a low of 66.6°F (19.2°C).
The months with the most sunshine are July and August, with an average of 10.1h of sunshine.
October is the least humid month, with an average relative humidity of 72%.
December is the month with the least rainfall. Rain falls for 7.9 days and accumulates 1.14" (29mm) of precipitation.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Stone Park, IL
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Stone Park, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"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:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Stone Park, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.7mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Stone Park, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Stone Park, IL
- Average rainfall in January:
1.34" - Average rainfall in February:
1.42" - Average rainfall in March:
1.46" - Average rainfall in April:
2.76" - Average rainfall in May:
3.11" - Average rainfall in June:
2.83"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.83" - Average rainfall in September:
1.89" - Average rainfall in October:
2.17" - Average rainfall in November:
1.26" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days
Stone Park, IL
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
7.9 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall
Stone Park, IL
- Average snowfall in January:
3.62" - Average snowfall in February:
3.86" - Average snowfall in March:
1.18" - Average snowfall in April:
2.01" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Stone Park, IL
- Average snowfall days in January:
12.4 days - Average snowfall days in February:
10.9 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.1 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:
0.4 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
9.9 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Stone Park, IL
- Average daylight in January:
9h and 30min - 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Stone Park, IL
- Average sunshine days in January:
14.2 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
13 days - Average sunshine days in October:
14.2 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index
Stone Park, 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 and December (UV index 1).
Average cloud cover
Stone Park, IL
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Stone Park, 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).
