August weather forecast and climate
Springfield, IL

The Abraham Lincoln House in Springfield, Illinois, on a partially sunny autumn day
The Abraham Lincoln House in Springfield, Illinois, on a partially sunny autumn day

What is the temperature in August in Springfield?

In Springfield, Illinois, in August, the average high-temperature is 84.9°F (29.4°C), and the average low-temperature is 63.7°F (17.6°C).

How many days does it rain in August in Springfield?

In Springfield, during August, the rain falls for 8.3 days and regularly aggregates up to 3.2" (82.3mm) of precipitation.
Average temperature in August - Springfield, IL
  • Average high temperature in August: 84.9°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (34.8°F).

  • Average low temperature in August: 63.6°F

The month with the highest average low temperature is July (65.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average humidity in August - Springfield, IL
  • Average humidity in August: 74%

The month with the highest relative humidity is December (77.6%).
The month with the lowest relative humidity is April (65.3%).

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

The wettest month (with the highest rainfall) is June (4.5").
Driest months (with the lowest rainfall) are January and February (1.8").

Average rainfall days in August - Springfield, IL
  • Average rainfall days in August: 8.3 days

The month with the highest number of rainy days is May (11.7 days).
The month with the lowest number of rainy days is September (7.4 days).

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

The month with the highest snowfall is January (6.4").
Months with the lowest snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (5.4 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 - Springfield, IL
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 9.4h

Months with most sunshine are June and July (Average sunshine: 10.3h).
The month with least sunshine is December (Average sunshine: 4.2h).

Average UV index in August - Springfield, IL
  • Average UV index in August: 8

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).

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