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Weather in Indiana for August 2025

Your guide to Indiana weather in August - trends and predictions
  • In general, the average temperature in Indiana at the beginning of August is 30 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.9 °F by the end of August.

  • The climate of Indiana in August is notably wet, with an average of 15 rainy days.

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Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/17°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Indiana in August average weather

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Temperatures trend during August in Indiana

See the weather trend as well as the moving average line

August weather day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Cloudy
Cloudy
32° /19° 2 mm 7
Aug. 2 Cloudy
Cloudy
29° /19° 1.5 mm 7
Aug. 3 Overcast
Overcast
29° /19° 0 mm 7
Aug. 4 Overcast
Overcast
32° /19° 0 mm 8
Aug. 5 Patchy rain possible
Patchy rain possible
32° /21° 5.3 mm 8
Aug. 6 Patchy rain possible
Patchy rain possible
31° /20° 1.3 mm 7
Aug. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
25° /19° 9.6 mm 6
Aug. 8 Patchy rain possible
Patchy rain possible
29° /16° 0.2 mm 7
Aug. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /16° 6.7 mm 6
Aug. 10 Patchy rain possible
Patchy rain possible
26° /15° 3 mm 6
Aug. 11 Patchy rain possible
Patchy rain possible
28° /15° 0.4 mm 7
Aug. 12 Heavy rain at times
Heavy rain at times
27° /17° 3.7 mm 6
Aug. 13 Overcast
Overcast
29° /17° 0 mm 7
Aug. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /18° 19.3 mm 6
Aug. 15 Patchy rain possible
Patchy rain possible
24° /17° 3 mm 6
Aug. 16 Overcast
Overcast
28° /16° 2 mm 7
Aug. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /17° 2 mm 7
Aug. 18 Overcast
Overcast
25° /15° 0.8 mm 6
Aug. 19 Overcast
Overcast
27° /14° 0 mm 7
Aug. 20 Cloudy
Cloudy
28° /16° 0 mm 7
Aug. 21 Patchy rain possible
Patchy rain possible
28° /17° 0.2 mm 7
Aug. 22 Overcast
Overcast
29° /17° 0 mm 7
Aug. 23 Cloudy
Cloudy
33° /17° 2.3 mm 7
Aug. 24 Cloudy
Cloudy
33° /21° 0.1 mm 7
Aug. 25 Thundery outbreaks possible
Thundery outbreaks possible
35° /23° 0.3 mm 8
Aug. 26 Patchy rain possible
Patchy rain possible
34° /21° 6.3 mm 8
Aug. 27 Overcast
Overcast
32° /18° 6.3 mm 7
Aug. 28 Mist
Mist
33° /16° 4.2 mm 7
Aug. 29 Mist
Mist
33° /16° 1.2 mm 7
Aug. 30 Sunny
Sunny
30° /17° 0.9 mm 8
Aug. 31 Sunny
Sunny
26° /15° 2.2 mm 6
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Important Notice
Our weather forecast for Indiana in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Indiana forecast closer to your planned date for the most up-to-date weather information.

Indiana in August - FAQ

What are the expected maximum and minimum temperatures in Indiana during August?
During August, expect a variety of temperatures with highs around 29° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Indiana during August?
Significant rainfall exceeding 120.5 mm is expected in Indiana during August, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Indiana during August?
The average wind speed in Indiana during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is Indiana?

Get accurate weather forecasts for Indiana, located at latitude 39.768 and longitude -86.158. Stay updated with localized weather information tailored for Indiana.

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