Climate and monthly weather forecastPeoria Heights, IL
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Peoria Heights, Illinois, with an average temperature fluctuating between 30.7°F (-0.7°C) and 18.9°F (-7.3°C). January stands out as Peoria Heights's coldest month, with an average high-temperature of 30.7°F (-0.7°C) and a low-temperature of 18.9°F (-7.3°C). Weather in January »Weather in February
The last month of the winter, February, is a cold month in Peoria Heights, Illinois, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 35.2°F (1.8°C). The arrival of February is marked by an average high-temperature of a wintry 35.2°F (1.8°C), bearing a close resemblance to January. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Peoria Heights, Illinois, with an average temperature fluctuating between 49.1°F (9.5°C) and 34°F (1.1°C). An increase in the average high-temperature marks March, moving from February's icy 35.2°F (1.8°C) to a chilly 49.1°F (9.5°C). Weather in March »Weather in April
April in Peoria Heights, Illinois, is an enjoyable spring month, with an average temperature fluctuating between 44.2°F (6.8°C) and 60.8°F (16°C). April brings a temperature change, with average high-temperatures moving from March's chilly 49.1°F (9.5°C) to a comfortable 60.8°F (16°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Peoria Heights, Illinois, with an average temperature varying between 71.6°F (22°C) and 55°F (12.8°C). An escalation in the average high-temperature is seen with the onset of May, moving from a comfortable 60.8°F (16°C) in April to an agreeable 71.6°F (22°C). Weather in May »Weather in June
June, the first month of the summer in Peoria Heights, is a moderately hot month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.9°F (26.6°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from an agreeable 71.6°F (22°C) to a warm 79.9°F (26.6°C). Weather in June »Weather in July
July, like June, in Peoria Heights, Illinois, is another warm summer month, with an average temperature varying between 82°F (27.8°C) and 65.3°F (18.5°C). July stands out as Peoria Heights's warmest month, with an average high-temperature of 82°F (27.8°C) and a low-temperature of 65.3°F (18.5°C). The heat index value during July is evaluated at a hot 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Peoria Heights, is another warm month, with an average temperature varying between 63.3°F (17.4°C) and 81.1°F (27.3°C). August's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 81.1°F (27.3°C) from July's 82°F (27.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Peoria Heights, Illinois, with an average temperature ranging between max 76.1°F (24.5°C) and min 57.2°F (14°C). The shift into September reveals an average high-temperature of a still warm 76.1°F (24.5°C), closely mirroring August's climate. Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Peoria Heights, Illinois, with an average temperature fluctuating between 46.4°F (8°C) and 62.1°F (16.7°C). The onset of October brings a small change in high-temperatures, falling from a moderately hot 76.1°F (24.5°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Peoria Heights, Illinois, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 34.7°F (1.5°C). The shift from October to November involves a decrease in the average high-temperature, from a comfortable 62.1°F (16.7°C) to a frosty 48.4°F (9.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Peoria Heights, Illinois, with an average temperature varying between 26.1°F (-3.3°C) and 36.5°F (2.5°C). Peoria Heights's weather changes with the onset of December, slightly falling from a chilly 48.4°F (9.1°C) in November to an icy 36.5°F (2.5°C). Weather in December »Updated: Aug 8, 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
January is Peoria Heights's coldest month, registering average high temperatures of 30.7°F (-0.7°C) and lows of 18.9°F (-7.3°C).
The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 0.75" (19mm) of precipitation.
In Peoria Heights, during the entire year, the rain falls for 129.2 days and collects up to 17.24" (438mm) of precipitation.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 9 days and typically aggregates up to 2.36" (60mm) of snow.
In Peoria Heights, Illinois, during the entire year, snow falls for 26.7 days and aggregates up to 7.09" (180mm) of snow.
January has the least sunshine of the year, with an average of 4h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
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.
The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 2.64" (67mm) of precipitation.
In Peoria Heights, snow does not fall in May through September.
The month with the longest days is June, with an average of 15h and 0min of daylight.
With an average of 10.3h of sunshine, June has the most sunshine of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Peoria Heights's July weather, with an average high temperature of 82°F (27.8°C) and an average low temperature of 65.3°F (18.5°C), tends to be the warmest of the year.
The most humid month is July, with an average relative humidity of 84%.
October is the least humid month, with an average relative humidity of 71%.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Peoria Heights, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Peoria Heights, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"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:
30.11"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
Peoria Heights, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Peoria Heights, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Peoria Heights, IL
- Average rainfall in January:
0.75" - Average rainfall in February:
0.83" - Average rainfall in March:
1.34" - Average rainfall in April:
2.01" - Average rainfall in May:
2.64" - Average rainfall in June:
1.97"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.3" - Average rainfall in September:
1.42" - Average rainfall in October:
1.46" - Average rainfall in November:
1.02" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Peoria Heights, IL
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Peoria Heights, IL
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Peoria Heights, IL
- Average snowfall days in January:
9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.5 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:
5.9 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Peoria Heights, IL
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 24min
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 0min).
Average sunshine days
Peoria Heights, IL
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Peoria Heights, 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
Peoria Heights, IL
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Peoria Heights, 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).
