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NOUS43 KARX 011026 CCA
PNSARX
IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034-
041>044-053>055-061-011809-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
248 AM CDT TUE SEP 1 2026
..ROCHESTER MN AUGUST 2026 CLIMATE SUMMARY
..AUGUST 2026 HIGHLIGHTS
TEMPERATURES - WARMER THAN NORMAL
THE AVERAGE TEMPERATURE AT ROCHESTER INTERNATIONAL AIRPORT WAS 70°F.
THIS WAS 1.8°F WARMER THAN THE 1991-2020 NORMAL OF 68.2°F.
THE AVERAGE HIGH TEMPERATURE WAS 79.6°F. THIS WAS 1.6°F WARMER THAN
THE 1991-2020 NORMAL OF 78°F.
THE AVERAGE LOW TEMPERATURE WAS 60.5°F. THIS WAS 2.2°F WARMER THAN
THE 1991-2020 NORMAL OF 58.3°F. THIS WAS THE 16TH WARMEST. IT WAS
THE WARMEST SINCE 2016 (60.6°F - TIED FOR THE 14TH WARMEST WITH
1998). THE WARMEST WAS 64.9°F IN 1947.
THE WARMEST HIGH TEMPERATURE WAS 86°F ON AUGUST 31.
THE COLDEST HIGH TEMPERATURE WAS 72°F ON AUGUST 4.
THE WARMEST LOW TEMPERATURE WAS 69°F ON AUGUST 31. THE COLDEST LOW
TEMPERATURE WAS 51°F ON AUGUST 23.
THERE WERE NO DAYS IN WHICH THE TEMPERATURE WAS 90°F OR WARMER. THE
1886-2025 AVERAGE IS 2.7 DAYS.
RAINFALL - 9TH DRIEST
A TOTAL OF 1.24 INCHES OF RAIN FELL AT ROCHESTER INTERNATIONAL
AIRPORT. THIS WAS 2.88 INCHES DRIER THAN THE 1991-2020 NORMAL OF
4.12 INCHES. THIS WAS THE 9TH DRIEST AUGUST AND THE DRIEST SINCE
2011 (0.96 INCHES - TIED FOR 5TH DRIEST WITH 1886). THE DRIEST
AUGUST OCCURRED IN 1941 WHEN JUST 0.31 INCHES OF RAIN FELL. BELOW
ARE THE 10 DRIEST AUGUSTS.
10 DRIEST AUGUSTS
IN ROCHESTER, MN
1886-2026
RANK RAINFALL YEAR
---- -------- ----
1 0.31 INCHES 1941
2 0.34 INCHES 2003
3 0.65 INCHES 1949
4 0.92 INCHES 1908
5 0.96 INCHES 2011
0.96 INCHES 1886
7 1.03 INCHES 1933
8 1.17 INCHES 1970
9 1.24 INCHES 2026
10 1.41 INCHES 1950
THE WETTEST DAY OCCURRED ON AUGUST 4 WHEN 0.40 INCHES OF RAIN FELL.
RAIN FELL ON 11 DAYS (8 WITH MEASURABLE RAIN AND 3 DAYS WITH A
TRACE).
..AUGUST 2026 RECORDS
DAILY RECORDS...
NONE.
...LOOKING AHEAD TO SEPTEMBER…
THE NORMAL HIGH TEMPERATURE IN ROCHESTER STARTS OFF AT 76°F ON
SEPTEMBER 1ST AND FALLS TO 66°F BY THE END OF THE MONTH. THE NORMAL
LOW TEMPERATURE STARTS OFF AT 56°F ON THE 1ST AND FALLS TO 45°F BY
THE END OF THE MONTH. THE WARMEST SEPTEMBER TEMPERATURE ON RECORD IS
100°F ON SEPTEMBER 6, 1913, AND THE COLDEST WAS 22°F ON SEPTEMBER
28, 1942.
THE NORMAL MEAN TEMPERATURE FOR SEPTEMBER IS 61.1°F. ROCHESTER’S
HOTTEST SEPTEMBER OCCURRED IN 1908 WITH AN AVERAGE TEMPERATURE OF
69.5°F, AND ITS COLDEST SEPTEMBER OCCURRED IN 1993 WITH AN AVERAGE
TEMPERATURE OF 53.6°F.
THE NORMAL SEPTEMBER RAINFALL IS 3.60 INCHES. THE WETTEST SEPTEMBER
WAS IN 1986 WITH 10.50 INCHES OF RAIN, WHILE THE DRIEST SEPTEMBER
OCCURRED IN 1953, WITH ONLY 0.33 INCHES OF PRECIPITATION. THE
WETTEST SEPTEMBER DAY OCCURRED ON SEPTEMBER 12, 1978, WHEN 5.98
INCHES OF RAIN FELL. NORMALLY, THERE ARE 5 DAYS WITH THUNDERSTORMS.
WHILE TYPICALLY NO SNOW FALLS DURING SEPTEMBER, MEASURABLE SNOW DID
FALL IN 1942 (0.3 INCHES ON SEPTEMBER 26) AND 1961 (0.8 INCHES ON
SEPTEMBER 30).
BOYNE
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