June Outlook Calling for Above-Normal Temperatures – Vegetable Crops Hotline

June Outlook Calling for Above-Normal Temperatures

The month of May was sprinkled with a record-breaking freeze over Mother’s Day weekend, followed by heavy rainfall the following weekend, with a roller coaster of cool periods and extremely warm periods. We often think of spring as being that transition between winter and summer with lots of ups and downs, but those extremes from one week to the next made it difficult to know what to expect more than a few days out. By the time the month ended, precipitation was slightly below normal in the southwestern and west-central parts of Indiana with the rest of the state slightly above normal. May’s temperatures averaged to only 1°F to 2°F below normal. This is a great example of how averaging data can mask the extremes that made up reality!

What will June be like? The latest national Climate Prediction Center outlooks for June are showing increased confidence for above normal temperatures and too much uncertainty for whether precipitation will be above or below normal (Figure 1). Over the next few weeks, temperatures are forecasted to be in the upper 80s to lower 90s with some intermittent rainfall due to convection. After that warm period passes, temperatures are predicted to return to more seasonal levels by mid-June.

Figure 1. June overlook

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