June – warm with rainfall extremes across Illinois

According to preliminary numbers, the statewide average temperature for June was 72.8 degrees, 0.9 degrees above normal. The statewide average rainfall was 3.27 inches, just 0.9 inches below normal.

June had a split personality. In the first 14 days, temperatures were nearly 4 degrees above normal with only a quarter inch of rain on average across the state. In the last 16 day, the temperatures were almost 2 degrees below normal with 3.0 inches of rain.

Here are the high-resolution maps showing the monthly totals. The rain in June was uneven with amounts of 5 to 10 inches along the Illinois-Wisconsin border, and around Quincy, Iroquois County, and in far southern Illinois. The rest of the state was much drier with only 2 to 4 inches of rain. A stretch between Havana and Champaign had received only 2 inches of rain.  The station reporting the most rain in June was Belvidere (Boone County)with 12.08 inches. On the other extreme, White Heath (Piatt County) reported only 0.65 inches with no missing reports.


Departure from Normal
Percent of Normal

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