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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, in Perry, Illinois, is an icy winter month, with an average temperature varying between 21.6°F (-5.8°C) and 33.8°F (1°C). January, marked by an average high-temperature of 33.8°F (1°C) and a low-temperature of 21.6°F (-5.8°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Perry, Illinois, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 38.8°F (3.8°C). The high-temperature average in February for Perry, Illinois, is a still icy 38.8°F (3.8°C), staying closely aligned with January's conditions. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Perry, Illinois, with an average temperature fluctuating between 51.4°F (10.8°C) and 36°F (2.2°C). Perry's March weather shows an increase in high-temperatures, moving from February's cold 38.8°F (3.8°C) to a cool 51.4°F (10.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Perry, Illinois, with an average temperature fluctuating between 63.5°F (17.5°C) and 46°F (7.8°C). The beginning of April signals a rise in the average high-temperature, moving from a fresh 51.4°F (10.8°C) in March to a comfortable 63.5°F (17.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Perry, Illinois, with an average temperature ranging between min 55.8°F (13.2°C) and max 72.3°F (22.4°C). The start of May signals a slight increase in the average high-temperature, moving from an enjoyable 63.5°F (17.5°C) in April to an agreeable 72.3°F (22.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Perry, Illinois, with an average temperature fluctuating between 64.6°F (18.1°C) and 82°F (27.8°C). June's onset is marked by a temperature increase, moving from a pleasant 72.3°F (22.4°C) in May to a moderately hot 82°F (27.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Perry, Illinois, with an average temperature fluctuating between 84.4°F (29.1°C) and 66.7°F (19.3°C). With average high temperatures of 84.4°F (29.1°C) and lows of 66.7°F (19.3°C), July is the warmest month. July's average heat index is appraised at a torrid 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Perry, is another warm month, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 65.5°F (18.6°C). Perry commences August with an average high-temperature of a still moderately hot 83.5°F (28.6°C), maintaining a close resemblance to the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Perry, is also a moderately hot month, with an average temperature ranging between min 58.6°F (14.8°C) and max 78.3°F (25.7°C). With the transition into September, Perry notes an average high-temperature of a still moderately hot 78.3°F (25.7°C), closely resembling August. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Perry, Illinois, with an average temperature varying between 47.3°F (8.5°C) and 64.2°F (17.9°C). The onset of October is marked by a decrease in temperature, transitioning from a moderately hot 78.3°F (25.7°C) in September to an enjoyable 64.2°F (17.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Perry, is also a fresh month, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 50.9°F (10.5°C). The start of November involves a temperature drop, moving from a refreshing 64.2°F (17.9°C) in October to a cool 50.9°F (10.5°C). Weather in November »
Weather in December
December, the first month of the winter in Perry, is also an icy month, with an average temperature fluctuating between 39°F (3.9°C) and 27.9°F (-2.3°C). The start of December involves a temperature drop, moving from a cool 50.9°F (10.5°C) in November to a wintry 39°F (3.9°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Perry?
Perry notes the coldest temperatures in January, with a average high of 33.8°F (1°C) and a low of 21.6°F (-5.8°C).
How much does it rain in Perry?
In Perry, Illinois, during the entire year, the rain falls for 128.8 days and collects up to 18.35" (466mm) of precipitation.
When does it snow in Perry?
January through April, November and December are months with snowfall.
When does it snow the most in Perry?
The month with the most snowfall is January, when snow falls for 6.3 days and typically aggregates up to 2.05" (52mm) of snow.
How many days does it snow in Perry?
Throughout the year, in Perry, there are 21.9 snowfall days, and 5.67" (144mm) of snow is accumulated.
What is the month with the least sunshine in Perry?
The month with the least sunshine in Perry, Illinois, is January, with an average of 4.4h of sunshine.
What are the months with the lowest UV index in Perry?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Perry?
February is the month with the least rainfall in Perry. Rain falls for 5.8 days and accumulates 0.75" (19mm) of precipitation.
When is Daylight Saving Time (DST) in Perry?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Perry, 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 Perry?
May is the month with the most rainfall in Perry, Illinois. Rain falls for 16.8 days and accumulates 2.44" (62mm) of precipitation.
When it does not snow in Perry?
In Perry, snow does not fall in May through October.
What is the most humid month in Perry?
The months with the highest humidity in Perry, Illinois, are June and July, with an average relative humidity of 81%.
When are the longest days in Perry?
The month with the longest days in Perry is June, with an average of 14h and 54min of daylight.
What are the months with the most sunshine in Perry?
June and July, with an average of 10.3h of sunshine, are months with the most sunshine in Perry.
What is the month with the highest UV index in Perry?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What month is the hottest in Perry?
The highest temperatures in Perry are recorded in July, with averages reaching a high of 84.4°F (29.1°C) and a low of 66.7°F (19.3°C).
What is the least humid month in Perry?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days in Perry?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Perry, IL
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (33.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Perry, IL
- Average pressure in January:
30.15"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:
29.95"Hg - Average pressure in June:
29.91"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:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Perry, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.8mph - Average wind speed in May:
7.9mph - Average wind speed in June:
7mph
- Average wind speed in July:
6mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity
Perry, IL
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Perry, IL
- Average rainfall in January:
0.87" - Average rainfall in February:
0.75" - Average rainfall in March:
1.5" - Average rainfall in April:
1.89" - Average rainfall in May:
2.44" - Average rainfall in June:
2.36"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.85" - Average rainfall in September:
1.65" - Average rainfall in October:
1.5" - Average rainfall in November:
0.98" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days
Perry, IL
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Perry, IL
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Perry, IL
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.7 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:
1.6 days - Average snowfall days in December:
4.2 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Perry, 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:
14h and 5min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 3min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
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 24min).
Average sunshine days
Perry, IL
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
18 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
17.3 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
20.7 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).
Average UV index
Perry, 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
Perry, IL
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility
Perry, IL
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).
Perry, Illinois, USA
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