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What to Expect in August: Weather


The graphic to the left compiles the average temperatures during the day and night in each region of Indiana.


Averages Last Year

The average temperatures during August for Indianapolis were almost exactly as predicted in the graphic to the left in the beginning of the month, but gradually getting colder as the month progressed. Comparing the first two weeks of August in 2022:

Aug. 1 - a high of 87 and a low of 66.

Aug. 15 - a high of 80 and a low of 67.


What Can We Expect?

Based on the expected temps in the graphic above and the average temps from last year we can expect August to be relatively stable, with highs in the 80s and lows in the 60s throughout the month. Last year the variation in temps from day-to-day was small, being almost the most consistent month so far in the year when it comes to temperature.


What About My City?

A helpful web page you can use to compare your own city's average temps from 2022 to this year is: Weather Spark

Just type in your city and data graphs for past years, as well as 2023, will appear.


Weather + Phenology: How Do They Relate?

The temperature impacts the phenology cycle of plants especially during these critical season changes. At this time in Indiana, the temp is getting low enough to cause leaves to start changing color and fall off their trees. If there is a drastic change in the typical expected temp for this month or next, it could lead to this process happening sooner than normal, or later than normal. This in turn affects the life cycle timing for many insects and animals who use these plants as a food source.


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