Climate and monthly weather forecastCorydon, IA
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Corydon, Iowa, with an average temperature varying between 30°F (-1.1°C) and 16.5°F (-8.6°C). The coldest month is January, with an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 16.5°F (-8.6°C). Weather in January »Weather in February
The last month of the winter, February, is a cold month in Corydon, Iowa, with an average temperature ranging between max 34.2°F (1.2°C) and min 19.8°F (-6.8°C). Corydon's weather in February, with an average high-temperature of an icy 34.2°F (1.2°C), subtly shifts from January's 30°F (-1.1°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Corydon, Iowa, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 48.7°F (9.3°C). The onset of March brings a clear temperature shift, with the average high-temperature escalating from a wintry 34.2°F (1.2°C) in February to a frosty 48.7°F (9.3°C). Weather in March »Weather in April
April is a moderate spring month in Corydon, Iowa, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 60.4°F (15.8°C). April's arrival brings a change in high-temperatures, moving from a frosty 48.7°F (9.3°C) in March to a moderate 60.4°F (15.8°C). Weather in April »Weather in May
May, the last month of the spring in Corydon, is a pleasant month, with an average temperature ranging between min 52.9°F (11.6°C) and max 69.4°F (20.8°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from a refreshing 60.4°F (15.8°C) to a pleasant 69.4°F (20.8°C). Weather in May »Weather in June
June, the first month of the summer in Corydon, is a warm month, with an average temperature fluctuating between 79.7°F (26.5°C) and 63.1°F (17.3°C). Observing a rise in June, the average high-temperature goes from May's pleasant 69.4°F (20.8°C) to a moderately hot 79.7°F (26.5°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Corydon, Iowa, with an average temperature varying between 66°F (18.9°C) and 83.3°F (28.5°C). July is the warmest month, with an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 66°F (18.9°C). July's heat index is computed to be a tropical 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Corydon, Iowa, with an average temperature varying between 82°F (27.8°C) and 63.7°F (17.6°C). Welcoming August, Corydon notes an average high-temperature of a still warm 82°F (27.8°C), nearly consistent with July's 83.3°F (28.5°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Corydon, Iowa, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 56.5°F (13.6°C). September brings a minor shift in the average high-temperature, adjusting from 82°F (27.8°C) in August to a still moderately hot 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, in Corydon, Iowa, is another refreshing autumn month, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 61.7°F (16.5°C). October's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 75.9°F (24.4°C) in September to an enjoyable 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Corydon, Iowa, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 33.3°F (0.7°C). Start of November brings a shift in the average high-temperature, falling from October's comfortable 61.7°F (16.5°C) to a frosty 48.4°F (9.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Corydon, Iowa, with an average temperature ranging between max 35.6°F (2°C) and min 23.5°F (-4.7°C). A decrease in the average high-temperature is observed during December, shifting from a chilly 48.4°F (9.1°C) in November to a cold 35.6°F (2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Corydon, IA
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (30°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure
Corydon, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Corydon, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8mph
The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Corydon, IA
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Corydon, IA
- Average rainfall in January:
0.71" - Average rainfall in February:
0.79" - Average rainfall in March:
1.61" - Average rainfall in April:
1.73" - Average rainfall in May:
2.76" - Average rainfall in June:
3.31"
- Average rainfall in July:
2.09" - Average rainfall in August:
2.2" - Average rainfall in September:
2.13" - Average rainfall in October:
1.38" - Average rainfall in November:
0.98" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (3.31").
The driest months (with the least rainfall) are January and December (0.71").
Average rainfall days
Corydon, IA
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
11 days - Average rainfall days in October:
9 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Corydon, IA
- Average snowfall in January:
3.23" - Average snowfall in February:
2.87" - Average snowfall in March:
1.26" - Average snowfall in April:
1.69" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Corydon, IA
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.2 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:
0.6 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Corydon, IA
- 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 0min
- 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 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Corydon, IA
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
21.1 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.7 days).
Average UV index
Corydon, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Corydon, IA
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility
Corydon, IA
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).





