Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Summer Records for Rochester
(June - July - August)

Warmest		Coldest
1) 73.0	1949	1) 63.8	1915
2) 72.4	2012	2) 63.9	1992
3) 72.2	1988	3) 64.9	1958
	1955	4) 65.3	2004
5) 71.8	1936	5) 65.6	2009
6) 71.7	1931	6) 65.7	1967
7) 71.4	1943	7) 66.1	1985
8) 71.1	1995		1969
	1983	9) 66.2	1945
10) 70.8	2011		1892
	2010

normal temperature is 69.3 degrees

Wettest		Driest
1) 23.34	2000	1) 3.78	1910
2) 22.86	1990	2) 4.33	1964
3) 20.36	1981	3) 4.84	1976
4) 19.87	1978	4) 5.52	1988
5) 19.32	1993	5) 6.60	1992
6) 19.14	2007	6) 7.33	1932
7) 18.90	1942	7) 7.61	1933
8) 18.70	1999	8) 7.75	1936
9) 18.23	1938	9) 8.05	1941
10) 18.20	1951	10) 8.40	1955

normal precipitation is 13.75 inches

Summer typically lasts about three months in Rochester, extending from early June through the first week in September. After the very changeable spring weather, summer usually features consistently mild to warm temperatures in this part of Minnesota. The average high temperature is near 80 degrees from the 19th of June through August 17th. While Rochester will never be considered a "hot" spot, it does average about 8 days when the mercury reaches the 90 degree or greater mark. However, there are years when temperatures do not top 90.

Summer is normally the wettest of the seasons in Rochester due to the increased frequency of thunderstorms, with each "summer" month averaging 4 inches or greater of precipitation. There are usually around 20 days with thunderstorms, with June and July the most active.

Despite the greater precipitation, summer is probably the sunniest season of the year in Rochester. On average, Rochester is clear to partly cloudy 63% of the time during the summer, as opposed to the other seasons, which average less than 50%. Summer is also the least windy of the seasons with average speeds a bit above 10 mph. The prevailing wind direction is from the south.

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