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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, is another cold winter month in Middletown, Illinois, with an average temperature ranging between max 32°F (0°C) and min 19.9°F (-6.7°C). January proves to be the coldest month, recording an average maximum temperature of 32°F (0°C) and a minimum temperature of 19.9°F (-6.7°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Middletown, Illinois, with temperature in the range of an average high of 37.2°F (2.9°C) and an average low of 24.1°F (-4.4°C). The start of February sees the average high-temperature at a still cold 37.2°F (2.9°C), showing little difference from January's 32°F (0°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Middletown, Illinois, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 50°F (10°C). The shift into March is accompanied by a temperature increase, with the average high-temperature rising from a cold 37.2°F (2.9°C) in February to a cool 50°F (10°C). Weather in March »
Weather in April
April in Middletown, Illinois, is an enjoyable spring month, with an average temperature ranging between min 45.5°F (7.5°C) and max 61.7°F (16.5°C). With the onset of April, Middletown's weather sees a temperature rise, transitioning from a fresh 50°F (10°C) in March to a refreshing 61.7°F (16.5°C). Weather in April »
Weather in May
May, the last month of the spring in Middletown, is a pleasant month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 72.5°F (22.5°C). With the arrival of May, the average high-temperature transitions from a comfortable 61.7°F (16.5°C) in April to an agreeable 72.5°F (22.5°C). Weather in May »
Weather in June
June, the first month of the summer in Middletown, is a moderately hot month, with an average temperature ranging between max 80.8°F (27.1°C) and min 63.9°F (17.7°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from an agreeable 72.5°F (22.5°C) in May to a warm 80.8°F (27.1°C). Weather in June »
Weather in July
July, like June, in Middletown, Illinois, is another warm summer month, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 65.8°F (18.8°C). Temperature records mark July as the warmest month, with highs averaging 82.4°F (28°C) and lows at 65.8°F (18.8°C). The heat index in July is appraised at a tropical 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Middletown, Illinois, with an average temperature fluctuating between 81.9°F (27.7°C) and 64°F (17.8°C). The onset of August brings with it an average high-temperature of a still warm 81.9°F (27.7°C), showing a negligible variation from the month before. Weather in August »
Weather in September
September, the first month of the autumn in Middletown, is also a moderately hot month, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 58.5°F (14.7°C). The advent of September denotes an average high-temperature of a still moderately hot 76.8°F (24.9°C), subtly different from August's 81.9°F (27.7°C). Weather in September »
Weather in October
October, like September, in Middletown, Illinois, is another comfortable autumn month, with an average temperature ranging between min 47.3°F (8.5°C) and max 63.7°F (17.6°C). The shift to October brings a decrease in the average high-temperature, falling from a moderately hot 76.8°F (24.9°C) in September to a refreshing 63.7°F (17.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Middletown, is another chilly month, with an average temperature ranging between min 35.4°F (1.9°C) and max 49.6°F (9.8°C). With the onset of November, Middletown's average high-temperature adjusts, receding from October's comfortable 63.7°F (17.6°C) to a chilly 49.6°F (9.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Middletown, Illinois, with an average temperature ranging between min 27.1°F (-2.7°C) and max 38.3°F (3.5°C). With December's arrival, Middletown's weather changes as the average high-temperature falls from a chilly 49.6°F (9.8°C) in November to a wintry 38.3°F (3.5°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 month is the coldest?
January is the coldest month of the year, registering average temperatures as high as 32°F (0°C) and as low as 19.9°F (-6.7°C).
How many days does it rain?
In Middletown, during the entire year, the rain falls for 150 days and collects up to 29.84" (758mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 10.7 days and typically aggregates up to 3.98" (101mm) of snow.
How much does it snow?
In Middletown, during the entire year, snow falls for 31.9 days and aggregates up to 11.06" (281mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.1h of sunshine.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months 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?
May is the month with the most rainfall. Rain falls for 18.9 days and accumulates 3.98" (101mm) of precipitation.
When it does not snow?
May 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 0min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.3h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index in Middletown are June through August, with an average maximum UV index of 6.
What is the hottest time of year?
Middletown's warmest temperatures are experienced in July, with average high temperatures of 82.4°F (28°C) and lows of 65.8°F (18.8°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 84%.
What is the least humid month in Middletown?
The least humid month in Middletown is October, with an average relative humidity of 70%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.46" (37mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Middletown, IL
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32°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 (19.9°F).
Average pressure
Middletown, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Middletown, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Middletown, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Middletown, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.73" - Average rainfall in March:
2.4" - Average rainfall in April:
3.46" - Average rainfall in May:
3.98" - Average rainfall in June:
3.31"
- Average rainfall in July:
2.28" - Average rainfall in August:
2.2" - Average rainfall in September:
2.56" - Average rainfall in October:
2.76" - Average rainfall in November:
1.93" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days
Middletown, IL
- Average rainfall days in January:
7 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (6.2 days).
Average snowfall
Middletown, IL
The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Middletown, IL
- Average snowfall days in January:
10.7 days - Average snowfall days in February:
8.2 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.9 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:
0.1 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Middletown, IL
- 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 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Middletown, IL
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
18 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.5 days).
Average UV index
Middletown, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Middletown, IL
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility
Middletown, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Middletown, Illinois, USA
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