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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, the same as December, in Casey, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 28°F (-2.2°C) and 14.5°F (-9.7°C). In Casey, the month of January is known for its lowest average temperatures, reaching a high of 28°F (-2.2°C) and a low of 14.5°F (-9.7°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Casey, Iowa, with temperature in the range of an average low of 17.8°F (-7.9°C) and an average high of 32°F (0°C). Casey's weather in February indicates an average high-temperature of a wintry 32°F (0°C), nearly consistent with the 28°F (-2.2°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Casey, is a frosty month, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 31.8°F (-0.1°C). A clear rise in the average high-temperature is observed during March, increasing from a wintry 32°F (0°C) in February to a chilly 46.9°F (8.3°C). Weather in March »
Weather in April
April in Casey, Iowa, is a mild spring month, with an average temperature varying between 41.9°F (5.5°C) and 59.2°F (15.1°C). The average high-temperature increases in April, moving from a frosty 46.9°F (8.3°C) in March to a moderate 59.2°F (15.1°C). Weather in April »
Weather in May
May, the last month of the spring in Casey, is an agreeable month, with an average temperature varying between 52.3°F (11.3°C) and 69.3°F (20.7°C). With the transition into May, Casey experiences an increase in average high-temperatures, moving up from a mild 59.2°F (15.1°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »
Weather in June
June, the first month of the summer in Casey, is a moderately hot month, with an average temperature varying between 62.8°F (17.1°C) and 79.2°F (26.2°C). June's arrival is marked by an increase in the average high-temperature, moving from an agreeable 69.3°F (20.7°C) in May to a moderately hot 79.2°F (26.2°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Casey, Iowa, with an average temperature fluctuating between 82.2°F (27.9°C) and 64.9°F (18.3°C). Casey's warmest weather arrives in July, when temperatures average a high of 82.2°F (27.9°C) and a low of 64.9°F (18.3°C). July's heat index is evaluated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Casey, Iowa, with an average temperature fluctuating between 62.2°F (16.8°C) and 81°F (27.2°C). Casey experiences an average high-temperature of a still moderately hot 81°F (27.2°C) in August, marking an insignificant shift from 82.2°F (27.9°C) in July. Weather in August »
Weather in September
September, the first month of the autumn in Casey, is still a warm month, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 55.9°F (13.3°C). As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 81°F (27.2°C) in August to a still warm 74.8°F (23.8°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Casey, Iowa, with an average temperature varying between 43.9°F (6.6°C) and 60.3°F (15.7°C). The shift into October is marked by a considerable temperature decrease, with the average high-temperature dropping from a moderately hot 74.8°F (23.8°C) in September to a mild 60.3°F (15.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Casey, Iowa, with temperature in the range of an average high of 46.8°F (8.2°C) and an average low of 32.5°F (0.3°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's refreshing 60.3°F (15.7°C) to a frosty 46.8°F (8.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Casey, Iowa, with an average temperature fluctuating between 21.7°F (-5.7°C) and 33.3°F (0.7°C). Start of December brings a shift in the average high-temperature, falling from November's chilly 46.8°F (8.2°C) to a cold 33.3°F (0.7°C). Weather in December »
Updated: Aug 1, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
January, having an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 14.5°F (-9.7°C), is the coldest month.
What is the most humid month?
The months with the highest humidity are January and February, with an average relative humidity of 82%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 3.3 days and accumulates 0.55" (14mm) of precipitation.
How much does it rain?
In Casey, during the entire year, the rain falls for 117.3 days and collects up to 19.09" (485mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 31.7 snowfall days, and 9.29" (236mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.3h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 2.76" (70mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 wettest month?
The month with the most rainfall is June, when the rain falls for 15.4 days and typically aggregates up to 3.11" (79mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month?
July is the warmest month in Casey, with an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 64.9°F (18.3°C).
What month has the most sunshine in Casey?
The month with the most sunshine in Casey is July, with an average of 10.2h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 70%.
What is the month with the shortest days?
The month with the shortest days in Casey is December, with an average of 9h and 12min of daylight.
Average temperature
Casey, IA
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure
Casey, 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:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"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 (29.88"Hg).
Average wind speed
Casey, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.3mph
The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity
Casey, IA
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Casey, IA
- Average rainfall in January:
0.55" - Average rainfall in February:
0.63" - Average rainfall in March:
1.22" - Average rainfall in April:
1.89" - Average rainfall in May:
3.07" - Average rainfall in June:
3.11"
- Average rainfall in July:
1.97" - Average rainfall in August:
2.09" - Average rainfall in September:
1.89" - Average rainfall in October:
1.26" - Average rainfall in November:
0.75" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Casey, IA
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.9 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
8 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall
Casey, IA
- Average snowfall in January:
2.32" - Average snowfall in February:
2.76" - Average snowfall in March:
1.18" - Average snowfall in April:
0.43" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Casey, IA
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
0.7 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:
0.9 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Casey, IA
- 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 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 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Casey, IA
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
18 days - Average sunshine days in March:
17.2 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
22 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (12.1 days).
Average UV index
Casey, IA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Casey, IA
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility
Casey, IA
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Casey, Iowa, USA
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