(Atlantic, Iowa) –   Weather data for Atlantic during the month of May (Compiled here at KJAN – the official National Weather Service reporting site), shows we were right on the mark for the typical  High, at 73 degrees on average. We were just about 4-degrees cooler than average for the Low, coming in at 45 degrees. The rainfall deficit continued to add-up last month. Atlantic received just 1.5-inches of rain in May, which was slightly more than 2.8-inches below the norm of 4.32-inches.  Most of Cass County is experiencing Moderate Drought conditions, as of the latest Iowa Drought Monitor report.

The warmest day last month was 88 on May 31st. The coldest temperature of 36 degrees was set May 2nd & 3rd.

Looking ahead to the month of June in Atlantic, we find the average High temperature is 83 degrees, while the average Low is 59. Precipitation typically amounts to 4.98-inches.

Check back with us during the first week of July 2025, to see how our actual weather data compared to the historical averages.