Michigan Placed Under La Nina Advisory: Summer 2025 Impact

If you weren't already aware, the National Oceanic and Atmospheric Administration (NOAA), in its latest El Nino Southern Oscillation (ENSO) report, placed Michigan and the rest of the country under a La Nina Advisory on March 23, 2025. Great. Now what? What does that mean for the Mitten State, and, more importantly, what impact will this have on our summer?

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First, let's tackle the somewhat ominous-sounding 'La Nina Advisory.' This means that the sea surface temperatures (SSTs) are below average. These cooler water temperatures impact the trade winds, which means colder-than-typical winds will eventually blow into Michigan.

La Nina Forecast for Summer 2025 in Michigan

Though NOAA has us under a La Nina Advisory, they are giving us a 62% chance that the SSTs will return to their average by sometime in April. This means we have a better-than-average chance of having a Michigan summer that isn't impacted by either an El Nino or a La Nina.

This means a Neautral Nino Forecast, which translates into: It's a Michigan summer; therefore, it could snow, sleet, rain, funnel cloud, or hail at any moment, and we won't be able to blame it on a Nino or a Nina.

Summer 2025's Hottest Month?

While NOAA won't go on record with a prediction for Michigan's hottest month of 2025, the Old Farmer's Almanac has no problems throwing its opinion around. According to the aged agriculturists, we will see a warmer-than-average summer, with the hottest month being July.

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Of course, there is a but. Along with warmer than normal temps, the Old Farmer's Almanac says we will also see an above-average summer of rain. Good for farmers bad for the precious few days we get to spend at the beach.