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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, is another subzero cold winter month in Cissna Park, Illinois, with an average temperature varying between 31.1°F (-0.5°C) and 19°F (-7.2°C). Cissna Park's temperature records reveal January as the coldest month, marked by average highs of 31.1°F (-0.5°C) and lows of 19°F (-7.2°C). Weather in January »
Weather in February
February, the last month of the winter in Cissna Park, is a cold month, with an average temperature ranging between max 35.2°F (1.8°C) and min 22.6°F (-5.2°C). The arrival of February sees an average high-temperature of an icy 35.2°F (1.8°C), hardly diverging from January's 31.1°F (-0.5°C). Weather in February »
Weather in March
March, the first month of the spring in Cissna Park, is a frosty month, with an average temperature fluctuating between 33.4°F (0.8°C) and 47.8°F (8.8°C). Cissna Park experiences a temperature shift with the start of March, with average high-temperatures moving from an icy 35.2°F (1.8°C) in February to a frosty 47.8°F (8.8°C). Weather in March »
Weather in April
April is a moderate spring month in Cissna Park, Illinois, with an average temperature varying between 43.9°F (6.6°C) and 60.1°F (15.6°C). April's arrival brings a change in high-temperatures, moving from a frosty 47.8°F (8.8°C) in March to a refreshing 60.1°F (15.6°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Cissna Park, Illinois, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 71.4°F (21.9°C). As Cissna Park transitions into May, the average high-temperature shows a change, moving from a refreshing 60.1°F (15.6°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Cissna Park, Illinois, with an average temperature ranging between min 62.8°F (17.1°C) and max 79.3°F (26.3°C). Cissna Park perceives a slight temperature ascent during June, with average high-temperatures adjusting from a pleasant 71.4°F (21.9°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Cissna Park, Illinois, is another warm summer month, with an average temperature ranging between max 81°F (27.2°C) and min 64.4°F (18°C). In Cissna Park, July is identified by the highest average temperatures, reaching a peak of 81°F (27.2°C) and a low of 64.4°F (18°C). The 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 also a moderately hot month in Cissna Park, Illinois, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 79.5°F (26.4°C). Cissna Park's shift from July to August is accompanied by an average high-temperature of a still moderately hot 79.5°F (26.4°C), a slight deviation from 81°F (27.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Cissna Park, Illinois, with an average temperature ranging between min 57.2°F (14°C) and max 75.2°F (24°C). As September takes hold, the average high-temperature is a still warm 75.2°F (24°C), nearly mirroring that of the previous month. Weather in September »
Weather in October
October, like September, in Cissna Park, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 62.4°F (16.9°C) and 46.8°F (8.2°C). Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 75.2°F (24°C) to a refreshing 62.4°F (16.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Cissna Park, Illinois, with an average temperature fluctuating between 47.8°F (8.8°C) and 35.1°F (1.7°C). As Cissna Park welcomes November, there is a noticeable shift in the average high-temperature, dropping from October's comfortable 62.4°F (16.9°C) to a chilly 47.8°F (8.8°C). Weather in November »
Weather in December
December, the first month of the winter in Cissna Park, is also an icy month, with an average temperature fluctuating between 26.4°F (-3.1°C) and 36.7°F (2.6°C). The beginning of December marks a decrease in the average high-temperature, transitioning from a frosty 47.8°F (8.8°C) in November to a cold 36.7°F (2.6°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Cissna Park?
January, noted for its average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 19°F (-7.2°C), is considered the coldest month in Cissna Park, Illinois.
How much does it rain in Cissna Park?
Throughout the year, in Cissna Park, there are 143.2 rainfall days, and 22.24" (565mm) of precipitation is accumulated.
When does it snow in Cissna Park?
January through April, October through December are months with snowfall in Cissna Park.
What is the snowiest month in Cissna Park?
January is the month with the most snowfall. Snow falls for 10.4 days and accumulates 2.91" (74mm) of snow.
How many days does it snow in Cissna Park?
In Cissna Park, Illinois, during the entire year, snow falls for 32.6 days and aggregates up to 9.69" (246mm) of snow.
What is the month with the least sunshine in Cissna Park?
With an average of 3.8h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Cissna Park?
The months with the lowest UV index in Cissna Park are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Cissna Park?
February is the month with the least rainfall. Rain falls for 6.8 days and accumulates 1.14" (29mm) of precipitation.
When is Daylight Saving Time (DST) in Cissna Park?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cissna Park, 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.
What is the rainiest month in Cissna Park?
May is the month with the most rainfall in Cissna Park. Rain falls for 18 days and accumulates 3.07" (78mm) of precipitation.
When it does not snow in Cissna Park?
May through September are months without snowfall in Cissna Park.
When are the longest days in Cissna Park?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What month has the most sunshine in Cissna Park?
With an average of 9.9h of sunshine, June has the most sunshine of the year.
What is the month with the highest UV index in Cissna Park?
The months with the highest UV index in Cissna Park, Illinois, are June through August, with an average maximum UV index of 6.
What is the warmest month in Cissna Park?
With average high and low temperatures of 81°F (27.2°C) and 64.4°F (18°C) respectively, July is Cissna Park's warmest month.
What is the most humid month in Cissna Park?
With an average relative humidity of 85%, July is the most humid month in Cissna Park.
What is the least humid month in Cissna Park?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days in Cissna Park?
December has the shortest days of the year in Cissna Park, with an average of 9h and 18min of daylight.
Average temperature
Cissna Park, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure
Cissna Park, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"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:
29.93"Hg
- Average pressure in July:
29.98"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:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Cissna Park, IL
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Cissna Park, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Cissna Park, IL
- Average rainfall in January:
1.22" - Average rainfall in February:
1.14" - Average rainfall in March:
1.85" - Average rainfall in April:
2.6" - Average rainfall in May:
3.07" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.93" - Average rainfall in September:
1.38" - Average rainfall in October:
1.65" - Average rainfall in November:
1.3" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Cissna Park, IL
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
18 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.4 days).
Average snowfall
Cissna Park, IL
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Cissna Park, IL
- Average snowfall days in January:
10.4 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.3 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:
0.3 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Cissna Park, 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 3min - Average daylight in June:
15h and 0min
- 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:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - 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:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Cissna Park, IL
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Cissna 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, February, November and December (UV index 2).
Average cloud cover
Cissna Park, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility
Cissna Park, 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).
Cissna Park, Illinois, USA
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