Climate and monthly weather forecastCrescent City, IL
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Crescent City, Illinois, with an average temperature ranging between max 30.7°F (-0.7°C) and min 18.7°F (-7.4°C). With its high average temperature of 30.7°F (-0.7°C) and a low of 18.7°F (-7.4°C), January is regarded as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a cold month in Crescent City, Illinois, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 35.1°F (1.7°C). Crescent City's average high-temperature in February is a wintry 35.1°F (1.7°C), marking an insignificant difference from the 30.7°F (-0.7°C) of January. Weather in February »Weather in March
March, the first month of the spring in Crescent City, is a chilly month, with an average temperature ranging between min 33.4°F (0.8°C) and max 47.8°F (8.8°C). The arrival of March sees a shift in the average high-temperature, moving from a cold 35.1°F (1.7°C) in February to a chilly 47.8°F (8.8°C). Weather in March »Weather in April
April in Crescent City, Illinois, is a moderate spring month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 59.5°F (15.3°C). With the onset of April, Crescent City sees a temperature rise, with the average high-temperature moving from March's chilly 47.8°F (8.8°C) to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Crescent City, Illinois, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 54.9°F (12.7°C). May's arrival brings a temperature shift, moving from a mild 59.5°F (15.3°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »Weather in June
June, the first month of the summer in Crescent City, is a warm month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.8°F (17.1°C). In Crescent City, the average high-temperature in June slightly rises, from a pleasant 71.4°F (21.9°C) in May, to a warm 79.3°F (26.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Crescent City, Illinois, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 64.4°F (18°C). In Crescent City, July is the month with the highest recorded average temperatures, measuring a high of 81°F (27.2°C) and a low of 64.4°F (18°C). For July, the heat index is estimated at 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 Crescent City, Illinois, with an average temperature fluctuating between 62.6°F (17°C) and 79.9°F (26.6°C). During August, Crescent City records an average high-temperature of a still warm 79.9°F (26.6°C), marking a slight divergence from July's 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 Crescent City, Illinois, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 57.2°F (14°C). In September, Crescent City experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 79.9°F (26.6°C) in August to a still warm 75.2°F (24°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Crescent City, Illinois, with an average temperature fluctuating between 46.8°F (8.2°C) and 62.2°F (16.8°C). Crescent City's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 75.2°F (24°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in Crescent City, is also a frosty month, with an average temperature varying between 34.9°F (1.6°C) and 47.8°F (8.8°C). November is marked by a distinct decrease in the average high-temperature, falling from a refreshing 62.2°F (16.8°C) in October to a frosty 47.8°F (8.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Crescent City, Illinois, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 36.5°F (2.5°C). Transition into December marks a drop in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in November to a cold 36.5°F (2.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Crescent City, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°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 (18.7°F).
Average pressure
Crescent City, 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:
29.92"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 (29.92"Hg).
Average wind speed
Crescent City, IL
- Average wind speed in January:
10.4mph - 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:
9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Crescent City, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Crescent City, IL
- Average rainfall in January:
0.91" - Average rainfall in February:
0.91" - Average rainfall in March:
1.46" - Average rainfall in April:
1.93" - Average rainfall in May:
2.44" - Average rainfall in June:
1.89"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").
Average rainfall days
Crescent City, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).
Average snowfall
Crescent City, IL
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Crescent City, IL
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
0.8 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:
0.2 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Crescent City, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - 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 42min - 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 48min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 24min
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
Crescent City, IL
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index
Crescent City, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Crescent City, 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
Crescent City, 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).





