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 another subzero cold winter month in Crestwood, Illinois, with temperature in the range of an average high of 29.5°F (-1.4°C) and an average low of 18.9°F (-7.3°C). January is the coldest month, with an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 18.9°F (-7.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Crestwood, Illinois, with an average temperature varying between 21.6°F (-5.8°C) and 32.5°F (0.3°C). In February, the average high-temperature is almost the same as in January - a cold 32.5°F (0.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Crestwood, Illinois, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 44.2°F (6.8°C). In Crestwood, the average high-temperature in March rises from a wintry 32.5°F (0.3°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April is a fresh spring month in Crestwood, Illinois, with an average temperature ranging between max 55.2°F (12.9°C) and min 41.2°F (5.1°C). In April, the average high-temperature rises from a chilly 44.2°F (6.8°C) in March to a cool 55.2°F (12.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Crestwood, Illinois, with an average temperature varying between 66.4°F (19.1°C) and 51.8°F (11°C). In May, the average high-temperature rises from a fresh 55.2°F (12.9°C) in April to an enjoyable 66.4°F (19.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Crestwood, Illinois, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 61.5°F (16.4°C). In June, the average high-temperature increases from an enjoyable 66.4°F (19.1°C) in May to a warm 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Crestwood, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 81°F (27.2°C) and 66.6°F (19.2°C). The warmest month is July, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 66.6°F (19.2°C). In July, the average heat index is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Crestwood, is another warm month, with an average temperature varying between 65.8°F (18.8°C) and 79.9°F (26.6°C). In August, the average high-temperature is almost the same as in July - a still warm 79.9°F (26.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Crestwood, is also a moderately hot month, with an average temperature fluctuating between 73.6°F (23.1°C) and 59.2°F (15.1°C). In September, the average high-temperature slightly decreases from 79.9°F (26.6°C) in August to a still warm 73.6°F (23.1°C). Weather in September »
Weather in October
October, the same as September, in Crestwood, Illinois, is a moderate autumn month, with an average temperature fluctuating between 60.6°F (15.9°C) and 47.1°F (8.4°C). In Crestwood, the average high-temperature in October drops from a moderately hot 73.6°F (23.1°C) in September to a mild 60.6°F (15.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Crestwood, is also a frosty month, with an average temperature ranging between min 35.1°F (1.7°C) and max 46.2°F (7.9°C). In November, the average high-temperature significantly decreases from a mild 60.6°F (15.9°C) in October to a frosty 46.2°F (7.9°C). Weather in November »
Weather in December
December, the first month of the winter in Crestwood, is also a wintry month, with an average temperature varying between 26.4°F (-3.1°C) and 35.2°F (1.8°C). In Crestwood, the average high-temperature in December decreases from a frosty 46.2°F (7.9°C) in November to a cold 35.2°F (1.8°C). Weather in December »
[Resources]FAQ
What is the coldest month in Crestwood?
With an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 18.9°F (-7.3°C), January is the coldest month in Crestwood.
What is the most humid month in Crestwood?
The months with the highest humidity in Crestwood are January and February, with an average relative humidity of 82%.
How many days does it rain in Crestwood?
Throughout the year, in Crestwood, Illinois, there are 147.7 rainfall days, and 23.62" (600mm) of precipitation is accumulated.
When does it snow in Crestwood?
January through April, October through December are months with snowfall in Crestwood, Illinois.
How many days does it snow in Crestwood?
In Crestwood, Illinois, during the entire year, snow falls for 42.4 days and aggregates up to 11.61" (295mm) of snow.
What is the month with the least sunshine in Crestwood?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
When does it snow the most in Crestwood?
The month with the most snowfall is February, when snow falls for 9.5 days and typically aggregates up to 3.07" (78mm) of snow.
When is Daylight Saving Time (DST) in Crestwood?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Crestwood, Illinois, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Crestwood?
May is the month with the most rainfall in Crestwood. Rain falls for 17.7 days and accumulates 3.07" (78mm) of precipitation.
When it does not snow in Crestwood?
May through September are months without snowfall in Crestwood.
When are the longest days in Crestwood?
The month with the longest days in Crestwood is June, with an average of 15h and 9min of daylight.
What is the month with the highest UV index in Crestwood?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month in Crestwood?
July is the warmest month, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 66.6°F (19.2°C).
What month has the most sunshine in Crestwood?
August has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the least humid month in Crestwood?
With an average relative humidity of 72%, October is the least humid month in Crestwood.
What is the driest month in Crestwood?
December is the month with the least rainfall in Crestwood. Rain falls for 7.4 days and accumulates 1.02" (26mm) of precipitation.
What is the month with the shortest days in Crestwood?
December has the shortest days of the year in Crestwood, Illinois, with an average of 9h and 13min of daylight.
When is the lowest UV index in Crestwood?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Crestwood, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°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 (18.9°F).
Average pressure
Crestwood, 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:
30.1"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
Crestwood, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Crestwood, 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
Crestwood, IL
- Average rainfall in January:
1.18" - Average rainfall in February:
1.18" - Average rainfall in March:
1.3" - Average rainfall in April:
2.32" - Average rainfall in May:
3.07" - Average rainfall in June:
2.95"
- Average rainfall in July:
2.8" - Average rainfall in August:
2.72" - Average rainfall in September:
1.97" - Average rainfall in October:
1.93" - Average rainfall in November:
1.18" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days
Crestwood, IL
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Crestwood, IL
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Crestwood, IL
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
2.3 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:
0.4 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
9.4 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Crestwood, 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 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 3min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Crestwood, IL
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10 days - Average sunshine days in September:
13 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index
Crestwood, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Crestwood, IL
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Crestwood, 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).
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