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August 2021: One of the warmest and wettest ever in La Crosse

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Kayakers take to the appropriately named Lake Street on Aug. 7, 2021, in La Crosse. (PHOTO: Emily Adams)

It was a warm, wet August in La Crosse. One of the warmest and one of the wettest ever.

According to the National Weather Service — La Crosse, last month was the second-wettest August (third-wettest ever) and tied for the 11th hottest August.

Records date back to October 15, 1872, though the National Weather Service — La Crosse said there are sites that go back even further than that.

PHOTO: @NWSLaCrosse on Facebook

The average temperature was 74.3°F at La Crosse Regional Airport. That was 1.5°F warmer than the 1991-2020 normal of 72.8°F.

That ties August 2021 with 1881 for the 11th warmest August. It’s also the warmest August since 2010 (75.8 degrees – 7th warmest).

The hottest temperature was 92°F on Aug. 20. The coldest temp. was 53°F on Aug. 22.

There were seven days with temperatures 90°F or warmer. Between 1991-2020, the normal was four days.


As for precipitation, a total of 11.78 inches of rain fell. This was 7.88 inches wetter than the 1991-2020, where the normal was 3.90 inches.

Not only was this the second-wettest August (only 2007 was wetter at 13.75 inches), but it was the third-wettest month.

Only August 2007 (13.73) and September 1900 (12.09) were wetter.

Much of this rain fell (83.9%) on just three days (Aug. 7 – 5.59 inches, Aug. 8 – 1.77 and Aug. 27 – 2.52).

The wettest day was Aug. 7 when 5.59 inches of rain fell. This not only set a record for the day, but it was also the wettest August and calendar days. Measurable rain fell on 12 days and trace amounts fell on two days.

Host of WIZM's La Crosse Talk PM | University of Wisconsin-Stevens Point graduate | Hometown: Greenville, Wis | Avid noonball basketball player and sand volleyballer in La Crosse

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