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

August 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
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).

Temperature

In Peoria, the average high-temperature in August is essentially the same as in July - a still warm 83.8°F (28.8°C). In August, the average low-temperature is 63.7°F (17.6°C).

Humidity

In Peoria, the average relative humidity in August is 73.7%.

Rainfall

In Peoria, Illinois, in August, it is raining for 9.1 days, with typically 3.2" (82.3mm) of accumulated precipitation. In Peoria, Illinois, during the entire year, the rain falls for 116.5 days and collects up to 36.5" (926.9mm) of precipitation.

Snowfall

In Peoria, during the entire year, snow aggregates up to 24.6" (624.8mm).

Daylight

In Peoria, the average length of the day is 13.7h.

Sunshine

In August, the average sunshine in Peoria, Illinois, is 9h.

What is the temperature in August in Peoria?

In August, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 63.7°F (17.6°C).

What is the average humidity in August in Peoria?

The average relative humidity in August in Peoria is 73.7%.

How much does it rain in Peoria in August?

In August, the rain falls for 9.1 days. Throughout August, 3.2" (82.3mm) of precipitation is accumulated.

How many hours of daylight does Peoria have in August?

In Peoria, Illinois, the average length of the day in August is 13.7h.

How many hours of sunshine does Peoria have in August?

The average sunshine in August is 9h.
Average temperature in August - Peoria, IL
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (32.8°F).

  • Average low temperature in August: 63.7°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17°F).

Average humidity in August - Peoria, IL
  • Average humidity in August: 73.7%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is April (64.7%).

Average rainfall in August - Peoria, IL
  • Average rainfall in August: 3.2"

The wettest month (with the highest rainfall) is May (4.3").
Driest months (with the lowest rainfall) are January and February (1.8").

Average rainfall days in August - Peoria, IL
  • Average rainfall days in August: 9.1 days

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 in August - Peoria, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is December (7.1").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in August - Peoria, IL
  • Average snowfall days in August: 0 days

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 in August / Average sunshine in August - Peoria, IL
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 9h

The month with most sunshine is June (Average sunshine: 10.2h).
The month with least sunshine is December (Average sunshine: 3.8h).