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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 Middletown, Iowa, is another subzero cold winter month, with an average temperature ranging between max 30°F (-1.1°C) and min 18°F (-7.8°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 30°F (-1.1°C) and a low of 18°F (-7.8°C). Weather in January »
Weather in February
February, the last month of the winter in Middletown, is an icy month, with an average temperature fluctuating between 21.7°F (-5.7°C) and 35.1°F (1.7°C). Middletown experiences an average high-temperature of a wintry 35.1°F (1.7°C) in February, subtly different from January's 30°F (-1.1°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Middletown, Iowa, with an average temperature varying between 48.7°F (9.3°C) and 34°F (1.1°C). The shift into March is characterized by a rise in the average high-temperature, transitioning from February's wintry 35.1°F (1.7°C) to a chilly 48.7°F (9.3°C). Weather in March »
Weather in April
April in Middletown, Iowa, is an enjoyable spring month, with an average temperature varying between 44.2°F (6.8°C) and 60.8°F (16°C). Middletown's April weather shows an increase in high-temperatures, moving from March's chilly 48.7°F (9.3°C) to a comfortable 60.8°F (16°C). Weather in April »
Weather in May
May, the last month of the spring in Middletown, is a pleasant month, with an average temperature ranging between min 54.5°F (12.5°C) and max 71.1°F (21.7°C). As April gives way to May, the average high-temperature displays an increase, moving from a refreshing 60.8°F (16°C) to a pleasant 71.1°F (21.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Middletown, Iowa, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 80.1°F (26.7°C). The transition from May to June brings a temperature rise, with average high-temperatures increasing from an agreeable 71.1°F (21.7°C) to a warm 80.1°F (26.7°C). Weather in June »
Weather in July
July, like June, in Middletown, Iowa, is a moderately hot summer month, with an average temperature ranging between max 82.4°F (28°C) and min 65.7°F (18.7°C). July is the warmest month, with the temperature often reaching an average high of 82.4°F (28°C) and an average low of 65.7°F (18.7°C). July's mean heat index is evaluated at a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Middletown, is another warm month, with an average temperature fluctuating between 63.7°F (17.6°C) and 82°F (27.8°C). With the advent of August, Middletown experiences an average high-temperature of a still warm 82°F (27.8°C), mirroring a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Middletown, Iowa, with an average temperature ranging between max 76.6°F (24.8°C) and min 57.2°F (14°C). The beginning of September brings a minor change in the average high-temperature, shifting from 82°F (27.8°C) in August to a still moderately hot 76.6°F (24.8°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Middletown, Iowa, with an average temperature fluctuating between 46°F (7.8°C) and 62.4°F (16.9°C). In Middletown, the average high-temperature in October decreases from a moderately hot 76.6°F (24.8°C) in September to a comfortable 62.4°F (16.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Middletown, is also a frosty month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 34.3°F (1.3°C). As November begins, there is a decrease in the average high-temperature, falling from an enjoyable 62.4°F (16.9°C) in October to a frosty 48.6°F (9.2°C). Weather in November »
Weather in December
December, the first month of the winter in Middletown, is also an icy month, with an average temperature fluctuating between 36.3°F (2.4°C) and 25°F (-3.9°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 48.6°F (9.2°C) in November to an icy 36.3°F (2.4°C). Weather in December »
Updated: Jun 14, 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?
The month of January, characterized by an average high of 30°F (-1.1°C) and a low of 18°F (-7.8°C), is recognized as the coldest.
How much does it rain?
In Middletown, during the entire year, the rain falls for 137.6 days and collects up to 26.65" (677mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most in Middletown?
The month with the most snowfall is January, when snow falls for 9.8 days and typically aggregates up to 4.25" (108mm) of snow.
How much does it snow?
Throughout the year, there are 29.5 snowfall days, and 11.77" (299mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.2h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
With an average maximum UV index of 1, January is the month with the lowest UV index.
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 rainiest month?
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 3.94" (100mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days in Middletown?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What are the months with the most sunshine?
The months with the most sunshine are June and July, with an average of 10.3h of sunshine.
What is the month with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What month is the hottest?
In Middletown, July registers the highest temperatures, averaging 82.4°F (28°C) at the peak and 65.7°F (18.7°C) at the lowest.
What is the most humid month in Middletown?
July is the most humid month, with an average relative humidity of 83%.
What is the least humid month?
With an average relative humidity of 70%, October is the least humid month.
What is the driest month?
December is the month with the least rainfall. Rain falls for 7.2 days and accumulates 1.3" (33mm) of precipitation.
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
Middletown, IA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Middletown, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"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 (29.9"Hg).
Average wind speed
Middletown, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity
Middletown, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Middletown, IA
- Average rainfall in January:
1.34" - Average rainfall in February:
1.38" - Average rainfall in March:
1.89" - Average rainfall in April:
3.11" - Average rainfall in May:
3.94" - Average rainfall in June:
3.27"
- Average rainfall in July:
2.52" - Average rainfall in August:
1.97" - Average rainfall in September:
2.13" - Average rainfall in October:
2.17" - Average rainfall in November:
1.65" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days
Middletown, IA
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5.2 days).
Average snowfall
Middletown, IA
The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Middletown, IA
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0 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:
0.4 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Middletown, 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 4min - 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 1min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Middletown, IA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
19 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Middletown, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Middletown, IA
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility
Middletown, 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).
Middletown, Iowa, USA
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