Peoria
Illinois, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Peoria, IL

A night view of lit street lights and tall buildings in the city of Peoria, Illinois, as well as the night sky reflected in the waterfront
A night view of lit street lights and tall buildings in the city of Peoria, Illinois, as well as the night sky reflected in the waterfront
January, like December, in Peoria, Illinois, is a wintry winter month, with temperature in the range of an average low of 17.1°F (-8.3°C) and an average high of 32.7°F (0.4°C). January is the coldest month, with an average high-temperature of 32.7°F (0.4°C) and an average low-temperature of 17.1°F (-8.3°C). Weather in January »
February, the last month of the winter, in Peoria, is another cold month, with average temperature ranging between min 21.2°F (-6°C) and max 37.8°F (3.2°C). In February, the average high-temperature is essentially the same as in January - a still cold 37.8°F (3.2°C). Weather in February »

March, the first month of the spring, in Peoria, is a cool month, with average temperature varying between 50.4°F (10.2°C) and 30.9°F (-0.6°C). In Peoria, the average high-temperature rises, from a wintry 37.8°F (3.2°C) in February, to a cool 50.4°F (10.2°C). Weather in March »

April in Peoria, Illinois, is a comfortable spring month, with average temperature fluctuating between 63°F (17.2°C) and 41.7°F (5.4°C). In Peoria, the average high-temperature rises, from a fresh 50.4°F (10.2°C) in March, to a comfortable 63°F (17.2°C). Weather in April »

May, the last month of the spring, in Peoria, is an agreeable month, with average temperature ranging between min 51.6°F (10.9°C) and max 73.2°F (22.9°C). In Peoria, the average high-temperature increases, from an enjoyable 63°F (17.2°C) in April, to an agreeable 73.2°F (22.9°C). Weather in May »

June, the first month of the summer, in Peoria, is a moderately hot month, with average temperature ranging between min 61.3°F (16.3°C) and max 82.2°F (27.9°C). In Peoria, the average high-temperature in June rises, from a pleasant 73.2°F (22.9°C) in May, to a warm 82.2°F (27.9°C). Weather in June »

July, like June, in Peoria, Illinois, is a moderately hot summer month, with average temperature ranging between min 65.5°F (18.6°C) and max 85.6°F (29.8°C). The warmest month is July, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 65.5°F (18.6°C). Weather in July »

August, the last month of the summer, in Peoria, is also a moderately hot month, with average temperature fluctuating between 83.8°F (28.8°C) and 63.7°F (17.6°C). In Peoria, the average high-temperature in August is essentially the same as in July - a still warm 83.8°F (28.8°C). Weather in August »

September, the first month of the autumn, in Peoria, is still a warm month, with average temperature ranging between min 55.2°F (12.9°C) and max 77°F (25°C). In Peoria, the average high-temperature slightly decreases, from 83.8°F (28.8°C) in August, to a still moderately hot 77°F (25°C). Weather in September »

October, like September, in Peoria, Illinois, is another comfortable autumn month, with average temperature fluctuating between 43.5°F (6.4°C) and 64.6°F (18.1°C). In October, the average high-temperature drops, from a warm 77°F (25°C) in September, to an enjoyable 64.6°F (18.1°C). Weather in October »

November, the last month of the autumn, in Peoria, is also a fresh month, with average temperature ranging between max 50.4°F (10.2°C) and min 32.9°F (0.5°C). In Peoria, the average high-temperature drops, from a comfortable 64.6°F (18.1°C) in October, to a fresh 50.4°F (10.2°C). Weather in November »

December, the first month of the winter, in Peoria, is still a cold month, with average temperature varying between 21°F (-6.1°C) and 36.1°F (2.3°C). In Peoria, Illinois, the average high-temperature decreases, from a cool 50.4°F (10.2°C) in November, to a cold 36.1°F (2.3°C). Weather in December »

What is the coldest month in Peoria?

January is the coldest month in Peoria, Illinois, with an average high-temperature of 32.7°F (0.4°C) and an average low-temperature of 17.1°F (-8.3°C).

How many days does it rain in Peoria?

In Peoria, during the entire year, the rain falls for 116.5 days and collects up to 36.5" (926.9mm) of precipitation.

What is the driest month in Peoria?

The month with the least rainfall in Peoria, Illinois, is January when the rain falls for 9.2 days and typically collects 1.8" (45.2mm) of precipitation.

When does it snow in Peoria?

January through April, November and December are months with snowfall in Peoria.

How much does it snow in Peoria?

In Peoria, during the entire year, snow falls for 19.9 days, and aggregates up to 24.6" (624.8mm) of snow.

What is the least humid month in Peoria?

April is the least humid month in Peoria, with an average relative humidity of 64.7%.

What is the rainiest month in Peoria?

May is the month with the most rainfall in Peoria, Illinois. Rain falls for 11.8 days and accumulates 4.3" (110mm) of precipitation.

When are the longest days in Peoria?

The month with the longest days in Peoria is June, with an average of 15.1h of daylight.

What month has the most sunshine in Peoria?

With an average of 10.2h of sunshine, June has the most sunshine of the year in Peoria, Illinois.

What is the warmest month in Peoria?

With an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 65.5°F (18.6°C), July is the warmest month in Peoria.

What is the most humid month in Peoria?

With an average relative humidity of 78%, December is the most humid month in Peoria, Illinois.

What is the snowiest month in Peoria?

December is the month with the most snowfall in Peoria. Snow falls for 5.5 days and accumulates 7.1" (180.3mm) of snow.

What is the month with the shortest days in Peoria?

With an average of 9.3h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Peoria?

The month with the least sunshine in Peoria, Illinois, is December, with an average of 3.8h of sunshine.
Average humidity - Peoria, IL
Average rainfall - Peoria, IL
Average rainfall days - Peoria, IL

The month with the highest number of rainy days is May (11.8 days).
The month with the lowest number of rainy days is September (8.1 days).

Average snowfall - Peoria, IL
Average snowfall days - Peoria, IL

The month with the highest number of snowfall days is January (5.8 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine - Peoria, IL