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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 Plainfield, Iowa, is another subzero cold winter month, with an average temperature ranging between min 10.8°F (-11.8°C) and max 23.2°F (-4.9°C). Plainfield's January weather, with an average high temperature of 23.2°F (-4.9°C) and an average low temperature of 10.8°F (-11.8°C), tends to be the coldest of the year. Weather in January »
Weather in February
February, the last month of the winter in Plainfield, is another freezing cold month, with an average temperature fluctuating between 27°F (-2.8°C) and 13.8°F (-10.1°C). In February, the average high-temperature registers at a still freezing cold 27°F (-2.8°C), nearly identical to January's 23.2°F (-4.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Plainfield, Iowa, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 28.4°F (-2°C). March is characterized by a noticeable escalation in the average high-temperature, rising from a freezing cold 27°F (-2.8°C) in February to a cold 42.3°F (5.7°C). Weather in March »
Weather in April
April is a cool spring month in Plainfield, Iowa, with an average temperature varying between 39.2°F (4°C) and 55.2°F (12.9°C). Plainfield in April sees a temperature change, with average high-temperatures moving from an icy 42.3°F (5.7°C) in March to a cool 55.2°F (12.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Plainfield, Iowa, with an average temperature varying between 50.5°F (10.3°C) and 67.3°F (19.6°C). In Plainfield, the onset of May comes with an increased average high-temperature, moving from April's cool 55.2°F (12.9°C) to a refreshing 67.3°F (19.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Plainfield, Iowa, with an average temperature fluctuating between 77°F (25°C) and 60.4°F (15.8°C). Entering June, Plainfield sees a temperature rise, with the average high-temperature advancing from May's refreshing 67.3°F (19.6°C) to a moderately hot 77°F (25°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Plainfield, Iowa, with an average temperature varying between 62.6°F (17°C) and 79.2°F (26.2°C). July, known for its average high temperature of 79.2°F (26.2°C) and an average low temperature of 62.6°F (17°C), is the warmest month. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Plainfield, Iowa, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 77.9°F (25.5°C). August's average high-temperature is a still moderately hot 77.9°F (25.5°C), maintaining a close comparison with July's 79.2°F (26.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Plainfield, is also an agreeable month, with an average temperature varying between 53.4°F (11.9°C) and 72.5°F (22.5°C). With the onset of September, Plainfield's average high-temperature slightly adjusts, moderately receding from August's warm 77.9°F (25.5°C) to an agreeable 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Plainfield, Iowa, is a moderate autumn month, with an average temperature fluctuating between 42.6°F (5.9°C) and 57.7°F (14.3°C). In October, the average high-temperature decreases considerably from a pleasant 72.5°F (22.5°C) in September to a moderate 57.7°F (14.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Plainfield, is also a frosty month, with an average temperature fluctuating between 43.2°F (6.2°C) and 30.4°F (-0.9°C). As Plainfield welcomes November, the average high-temperature witnesses a distinct drop, moving from a mild 57.7°F (14.3°C) in October to a frosty 43.2°F (6.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Plainfield, Iowa, with an average temperature varying between 29.3°F (-1.5°C) and 18.7°F (-7.4°C). The arrival of December signals a shift in temperature, down from a chilly 43.2°F (6.2°C) in November to a freezing cold 29.3°F (-1.5°C). Weather in December »
Updated: Aug 9, 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?
With average temperatures fluctuating between a high of 23.2°F (-4.9°C) and a low of 10.8°F (-11.8°C), January stands out as the coldest month.
What is the most humid month in Plainfield?
With an average relative humidity of 88%, January is the most humid month.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 4.1 days and typically collects 0.98" (25mm) of precipitation.
How much does it rain?
Throughout the year, there are 127.3 rainfall days, and 26.61" (676mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
Throughout the year, there are 46.8 snowfall days, and 19.76" (502mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.5h of sunshine.
What are the months with the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 9.2 days and typically aggregates up to 5.2" (132mm) 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?
June is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.98" (101mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 18min of daylight.
What is the month with the highest UV index?
The month with the highest UV index is June, with an average maximum UV index of 6.
What is the warmest month?
July, with average temperatures reaching a high of 79.2°F (26.2°C) and a low of 62.6°F (17°C), is the warmest month.
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 9.6h of sunshine.
What is the least humid month?
October is the least humid month, with an average relative humidity of 72%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Plainfield, IA
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.2°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Plainfield, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"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:
30.01"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Plainfield, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.3mph - 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:
8.3mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Plainfield, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Plainfield, IA
- Average rainfall in January:
0.98" - Average rainfall in February:
1.18" - Average rainfall in March:
1.65" - Average rainfall in April:
2.83" - Average rainfall in May:
3.78" - Average rainfall in June:
3.98"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.2" - Average rainfall in September:
2.32" - Average rainfall in October:
2.44" - Average rainfall in November:
1.38" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days
Plainfield, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
11 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
7.8 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 February (3.5 days).
Average snowfall
Plainfield, IA
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Plainfield, IA
- Average snowfall days in January:
12.5 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
2.1 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:
1.2 days - Average snowfall days in November:
4.3 days - Average snowfall days in December:
11.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Plainfield, 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 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - 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 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Plainfield, IA
- Average sunshine days in January:
15.7 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index
Plainfield, IA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Plainfield, IA
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Plainfield, 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).
Plainfield, Iowa, USA
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