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What to Expect in July: 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 July 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 July in 2022:

Jul. 1 - a high of 95 and a low of 71.

Jul. 15 - a high of 82 and a low of 65.


What Can We Expect?

Based on the expected temps in the graphic above and the average temps from last year we can expect July to be about the same as June but with wider ranges of highs and lows for the duration of the day. Last year mid-July gave us a much needed reprieve from the heat with a cold front. Depending on the number of rain storms this year, we could have the same thing happen again.


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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