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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 Cooper, Iowa, is a freezing cold winter month, with an average temperature varying between 13.5°F (-10.3°C) and 26.8°F (-2.9°C). January is the month that records the lowest temperatures, with averages ranging from a high of 26.8°F (-2.9°C) to a low of 13.5°F (-10.3°C). Weather in January »
Weather in February
February, the last month of the winter in Cooper, is also a subzero cold month, with an average temperature fluctuating between 16.9°F (-8.4°C) and 30.6°F (-0.8°C). Cooper's average high-temperature in February is a still subzero cold 30.6°F (-0.8°C), marking an insignificant difference from the 26.8°F (-2.9°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Cooper, is a chilly month, with an average temperature ranging between max 46°F (7.8°C) and min 31.1°F (-0.5°C). March brings with it a considerable temperature increase, with average high-temperatures rising from February's freezing cold 30.6°F (-0.8°C) to a chilly 46°F (7.8°C). Weather in March »
Weather in April
April is a moderate spring month in Cooper, Iowa, with an average temperature varying between 58.5°F (14.7°C) and 42.1°F (5.6°C). April signals a shift in the average high-temperature, moving from March's chilly 46°F (7.8°C) to a mild 58.5°F (14.7°C). Weather in April »
Weather in May
May, the last month of the spring in Cooper, is a pleasant month, with an average temperature ranging between max 69.4°F (20.8°C) and min 53.1°F (11.7°C). May's arrival brings a temperature shift, moving from a moderate 58.5°F (14.7°C) in April to an agreeable 69.4°F (20.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Cooper, Iowa, with an average temperature varying between 62.8°F (17.1°C) and 79.3°F (26.3°C). With the onset of June, the average high-temperature slightly shifts from May's agreeable 69.4°F (20.8°C) to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Cooper, Iowa, with an average temperature varying between 82°F (27.8°C) and 64.6°F (18.1°C). July is the warmest month, exhibiting average temperatures of 82°F (27.8°C) at the peak and 64.6°F (18.1°C) at the base. July's heat index is evaluated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Cooper, is another warm month, with an average temperature fluctuating between 61.5°F (16.4°C) and 80.1°F (26.7°C). Cooper experiences an average high-temperature of a still moderately hot 80.1°F (26.7°C) in August, marking an insignificant shift from 82°F (27.8°C) in July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Cooper, Iowa, with an average temperature ranging between max 74.8°F (23.8°C) and min 55.8°F (13.2°C). An average high-temperature of a still moderately hot 74.8°F (23.8°C) marks September, exhibiting a close resemblance to the conditions in August. Weather in September »
Weather in October
October, the same as September, in Cooper, Iowa, is a moderate autumn month, with an average temperature varying between 43.9°F (6.6°C) and 59.9°F (15.5°C). As Cooper, Iowa, steps into October, the average high-temperature decreases significantly from the a warm 74.8°F (23.8°C) of September to a refreshing 59.9°F (15.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Cooper, is another chilly month, with an average temperature ranging between min 32.5°F (0.3°C) and max 45.9°F (7.7°C). Arrival of November comes with a reduction in the average high-temperature, falling from a refreshing 59.9°F (15.5°C) in October to a frosty 45.9°F (7.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Cooper, Iowa, with an average temperature ranging between min 21°F (-6.1°C) and max 32°F (0°C). In Cooper, the average high-temperature in December drops from a frosty 45.9°F (7.7°C) in November to a wintry 32°F (0°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Cooper?
In Cooper, Iowa, the average lowest temperatures are observed in January, with a high of 26.8°F (-2.9°C) and a low of 13.5°F (-10.3°C).
What is the most humid month in Cooper?
With an average relative humidity of 84%, January is the most humid month in Cooper.
What is the driest month in Cooper?
January is the month with the least rainfall in Cooper, Iowa. Rain falls for 3.8 days and accumulates 0.87" (22mm) of precipitation.
How many days does it rain in Cooper?
Throughout the year, in Cooper, there are 125.7 rainfall days, and 26.5" (673mm) of precipitation is accumulated.
When does it snow in Cooper?
Months with snowfall in Cooper, Iowa, are January through May, October through December.
When does it snow the most in Cooper?
The month with the most snowfall is January, when snow falls for 9.8 days and typically aggregates up to 4.29" (109mm) of snow.
How much does it snow in Cooper?
Throughout the year, there are 38.1 snowfall days, and 15.31" (389mm) of snow is accumulated.
What is the month with the least sunshine in Cooper?
With an average of 4.2h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Cooper?
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Cooper.
When is Daylight Saving Time (DST) in Cooper?
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 rainiest month in Cooper?
The month with the most rainfall in Cooper, Iowa, is May, when the rain falls for 16.2 days and typically aggregates up to 4.06" (103mm) of precipitation.
When it does not snow in Cooper?
June through September are months without snowfall.
When are the longest days in Cooper?
With an average of 15h and 12min of daylight, June has the longest days of the year in Cooper, Iowa.
What are the months with the highest UV index in Cooper?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year in Cooper?
Cooper witnesses the warmest weather in July, with temperatures averaging a high of 82°F (27.8°C) and a low of 64.6°F (18.1°C).
What month has the most sunshine in Cooper?
July has the most sunshine of the year in Cooper, Iowa, with an average of 10.2h of sunshine.
What is the least humid month in Cooper?
The least humid month in Cooper, Iowa, is October, with an average relative humidity of 69%.
What is the month with the shortest days in Cooper?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Cooper, Iowa.
Average temperature
Cooper, IA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Cooper, 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:
29.93"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"Hg - Average pressure in November:
30.08"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
Cooper, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - 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:
10.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Cooper, IA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Cooper, IA
- Average rainfall in January:
0.87" - Average rainfall in February:
1.02" - Average rainfall in March:
1.54" - Average rainfall in April:
2.76" - Average rainfall in May:
4.06" - Average rainfall in June:
3.94"
- Average rainfall in July:
2.28" - Average rainfall in August:
2.44" - Average rainfall in September:
2.91" - Average rainfall in October:
2.2" - Average rainfall in November:
1.14" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days
Cooper, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.4 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
14.1 days - Average rainfall days in August:
13 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
4.8 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.4 days).
Average snowfall
Cooper, IA
- Average snowfall in January:
4.29" - Average snowfall in February:
3.66" - Average snowfall in March:
1.89" - Average snowfall in April:
1.26" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Cooper, IA
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
1.7 days - Average snowfall days in May:
0.3 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:
3.4 days - Average snowfall days in December:
8.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Cooper, IA
- Average daylight in January:
9h and 3min - 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:
4h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
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 12min).
Average sunshine days
Cooper, IA
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
16 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index
Cooper, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Cooper, IA
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility
Cooper, IA
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Cooper, Iowa, USA
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