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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 Polen, Iowa, with an average temperature varying between 29.1°F (-1.6°C) and 15.8°F (-9°C). With an average high-temperature of 29.1°F (-1.6°C) and an average low-temperature of 15.8°F (-9°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Polen, is a cold month, with an average temperature varying between 33.3°F (0.7°C) and 18.9°F (-7.3°C). In Polen, February's average high-temperature stands at an icy 33.3°F (0.7°C), closely related to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Polen, is a frosty month, with an average temperature ranging between max 48.2°F (9°C) and min 32.5°F (0.3°C). Polen's March weather is characterized by a distinct upsurge in high-temperatures, soaring from February's cold 33.3°F (0.7°C) to a chilly 48.2°F (9°C). Weather in March »
Weather in April
April in Polen, Iowa, is a refreshing spring month, with an average temperature ranging between max 59.7°F (15.4°C) and min 42.3°F (5.7°C). As March gives way to April, the average high-temperature displays an increase, moving from a frosty 48.2°F (9°C) to a refreshing 59.7°F (15.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Polen, Iowa, with an average temperature varying between 52.7°F (11.5°C) and 69.3°F (20.7°C). In Polen, the onset of May comes with an increased average high-temperature, moving from April's refreshing 59.7°F (15.4°C) to an agreeable 69.3°F (20.7°C). Weather in May »
Weather in June
June, the first month of the summer in Polen, is a warm month, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.5°F (26.4°C). June's arrival coincides with a temperature rise, moving from May's agreeable 69.3°F (20.7°C) to a warm 79.5°F (26.4°C). Weather in June »
Weather in July
July, like June, in Polen, Iowa, is a moderately hot summer month, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 82.9°F (28.3°C). With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.8°F (18.8°C), July is the warmest month. July's heat index is appraised at a hot 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Polen, Iowa, with an average temperature ranging between min 63°F (17.2°C) and max 81°F (27.2°C). The onset of August brings with it an average high-temperature of a still moderately hot 81°F (27.2°C), showing a negligible variation from the month before. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Polen, Iowa, with an average temperature varying between 75°F (23.9°C) and 56.1°F (13.4°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 81°F (27.2°C) in August to a still moderately hot 75°F (23.9°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Polen, Iowa, with an average temperature varying between 60.6°F (15.9°C) and 44.1°F (6.7°C). With October's onset, the weather shows a temperature decrease, transitioning from a moderately hot 75°F (23.9°C) in September to a moderate 60.6°F (15.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Polen, Iowa, with an average temperature ranging between min 32.5°F (0.3°C) and max 47.3°F (8.5°C). The transition into November indicates a reduction in the average high-temperature, down to a frosty 47.3°F (8.5°C) from October's refreshing 60.6°F (15.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Polen, Iowa, with an average temperature ranging between min 22.3°F (-5.4°C) and max 34.3°F (1.3°C). With December's onset, the average high-temperature recedes from November's frosty 47.3°F (8.5°C) to a wintry 34.3°F (1.3°C). Weather in December »
Updated: Jun 17, 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 time of the year is the coldest?
January is the month when Polen sees the average lowest temperatures, with a high of 29.1°F (-1.6°C) and a low of 15.8°F (-9°C).
What is the most humid month?
The months with the highest humidity are January and June, with an average relative humidity of 82%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 3.7 days and typically collects 0.75" (19mm) of precipitation.
How much does it rain?
In Polen, Iowa, during the entire year, the rain falls for 127.7 days and collects up to 23.39" (594mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 8.7 days and typically aggregates up to 3.15" (80mm) of snow.
How much does it snow?
Throughout the year, there are 32.6 snowfall days, and 12.01" (305mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.4h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January is the month with the lowest UV index, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Polen, 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?
The month with the most rainfall is June, when the rain falls for 17 days and typically aggregates up to 4.17" (106mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days in Polen is June, with an average of 15h and 6min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What month is the hottest?
Polen's July weather, with an average high temperature of 82.9°F (28.3°C) and an average low temperature of 65.8°F (18.8°C), tends to be the warmest of the year.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.1h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Polen, IA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure
Polen, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"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:
30.13"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
Polen, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.2mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.2mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.3mph
The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Polen, IA
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Polen, IA
- Average rainfall in January:
0.75" - Average rainfall in February:
0.79" - Average rainfall in March:
1.42" - Average rainfall in April:
2.13" - Average rainfall in May:
3.62" - Average rainfall in June:
4.17"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.44" - Average rainfall in September:
2.2" - Average rainfall in October:
1.69" - Average rainfall in November:
1.06" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Polen, IA
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).
Average snowfall
Polen, IA
- Average snowfall in January:
3.15" - Average snowfall in February:
2.83" - Average snowfall in March:
1.69" - Average snowfall in April:
1.18" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Polen, IA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
8 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
1.6 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:
0.8 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Polen, 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 2min
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:
4h and 2min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 2min - 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 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Polen, IA
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Polen, 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
Polen, IA
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility
Polen, 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).
Polen, Iowa, USA
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