Climate and monthly weather forecastHoliday Hills, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Holiday Hills, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 26.6°F (-3°C) and 14.9°F (-9.5°C). Holiday Hills's coldest month, January, generally records average temperatures ranging from a high of 26.6°F (-3°C) to a low of 14.9°F (-9.5°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Holiday Hills, Illinois, with an average temperature ranging between min 18°F (-7.8°C) and max 30.2°F (-1°C). February's weather records an average high-temperature of a still freezing cold 30.2°F (-1°C), showing little deviation from January. Weather in February »Weather in March
March, the first month of the spring in Holiday Hills, is a frosty month, with an average temperature ranging between min 28.9°F (-1.7°C) and max 42.8°F (6°C). Holiday Hills sees an increase in the average high-temperature with the arrival of March, moving from February's freezing cold 30.2°F (-1°C) to a chilly 42.8°F (6°C). Weather in March »Weather in April
April in Holiday Hills, Illinois, is a cool spring month, with an average temperature varying between 54.3°F (12.4°C) and 38.3°F (3.5°C). April brings a temperature change, with average high-temperatures moving from March's frosty 42.8°F (6°C) to a cool 54.3°F (12.4°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Holiday Hills, Illinois, with an average temperature varying between 66.4°F (19.1°C) and 49.3°F (9.6°C). May brings a temperature change, with average high-temperatures moving from April's cool 54.3°F (12.4°C) to an enjoyable 66.4°F (19.1°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Holiday Hills, Illinois, with an average temperature ranging between max 75.6°F (24.2°C) and min 58.5°F (14.7°C). As June arrives, Holiday Hills's weather shows an increase in high-temperatures, moving from May's enjoyable 66.4°F (19.1°C) to a moderately hot 75.6°F (24.2°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Holiday Hills, Illinois, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.7°F (26.5°C). July is the warmest month, with the temperature often reaching an average high of 79.7°F (26.5°C) and an average low of 63.1°F (17.3°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Holiday Hills, Illinois, with an average temperature fluctuating between 78.1°F (25.6°C) and 61.3°F (16.3°C). The beginning of August reveals an average high-temperature of a still moderately hot 78.1°F (25.6°C), showing minimal deviation from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Holiday Hills, is also an agreeable month, with an average temperature ranging between min 55°F (12.8°C) and max 72.3°F (22.4°C). September witnesses a gentle descent in average high-temperature, descending from August's warm 78.1°F (25.6°C) to a pleasant 72.3°F (22.4°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Holiday Hills, Illinois, with an average temperature ranging between min 43.9°F (6.6°C) and max 58.6°F (14.8°C). The commencement of October indicates a shift in the average high-temperature, receding from September's pleasant 72.3°F (22.4°C) to a moderate 58.6°F (14.8°C). Weather in October »Weather in November
November, the last month of the autumn in Holiday Hills, is another chilly month, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 32.2°F (0.1°C). November suggests a modest reduction in the average high-temperature, shifting from a moderate 58.6°F (14.8°C) in October to a frosty 44.6°F (7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Holiday Hills, Illinois, with an average temperature ranging between min 22.8°F (-5.1°C) and max 32.7°F (0.4°C). The transition into December involves a decrease in the average high-temperature, falling from a frosty 44.6°F (7°C) in November to an icy 32.7°F (0.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Holiday Hills, IL
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure
Holiday Hills, 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:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"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
Holiday Hills, IL
- Average wind speed in January:
10mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.3mph - 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 (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Holiday Hills, IL
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall
Holiday Hills, IL
- Average rainfall in January:
1.54" - Average rainfall in February:
1.46" - Average rainfall in March:
1.77" - Average rainfall in April:
3.46" - Average rainfall in May:
3.39" - Average rainfall in June:
3.58"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.56" - Average rainfall in September:
2.09" - Average rainfall in October:
2.52" - Average rainfall in November:
1.5" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days
Holiday Hills, IL
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Holiday Hills, IL
- Average snowfall in January:
5.16" - Average snowfall in February:
3.5" - Average snowfall in March:
1.89" - Average snowfall in April:
1.54" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Holiday Hills, IL
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
11.3 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
2.2 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:
0.5 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
10.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Holiday Hills, 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 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 6min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
3h and 48min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Holiday Hills, IL
- Average sunshine days in January:
13.7 days - Average sunshine days in February:
12.1 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
16 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).
Average UV index
Holiday Hills, IL
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Holiday Hills, IL
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Holiday Hills, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





