Rochester, MN weather in July
Rochester is warm and often humid in July, with frequent rain: highs average 80°F and nights drop to about 61°F. There are about 11 days with rain. This is the peak of the warm season in Rochester. A good month for most outdoor plans.
- Normal high
- 80°F
- Normal low
- 61°F
- Wet days
- 11
- 4.2 in total
- Muggy days
- 11
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 80°F | 79°F |
| Normal low | 61°F | 60°F |
| Chance of a wet day | 36% | 34% |
| Sunrise / sunset | 5:30 am / 8:56 pm | 5:57 am / 8:35 pm |
| Daylight | 15.4 h | 14.6 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical July day
- 6 am64°Fdew point 61°F
- 9 am72°Fdew point 63°F
- Noon77°Fdew point 63°F
- 3 pm78°Fdew point 63°F
- 6 pm76°Fdew point 63°F
- 9 pm69°Fdew point 62°F
NOAA hourly normals (local standard time) from Rochester Intl Airport (8 mi away); average wind 9 mph; clear or few clouds in 66% of daytime hours, mostly cloudy or overcast in 23%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F10 of 31
- Hot dayshigh 90°F or more2 of 31
- Muggy daysdaily mean dew point 65°F or more11 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 4.2 in; a dry July brings about 3.0 in and a wet one about 5.0 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How July varies from year to year
- Warmest July, 1991-20202012: average high 88°F
- Coolest July1992: average high 74°F
- Wettest July1997: 9.0 in
- Driest July2007: 1.1 in
- Highest reading99°F (July 13, 1995)
- Lowest reading44°F (July 7, 1997)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 78°F | 80°F | 78°F |
| Normal low | 58°F | 61°F | 58°F |
| Wet days | 13 | 11 | 10 |
| Comfortable days | 13 | 10 | 12 |
| Daylight | 15.4 h | 15.1 h | 14.0 h |
Highs change by +2°F from June and -2°F into August.
Nearby alternatives in July
- Warmer: Cedar Rapids, IA145 mi · high 86°F · 10 wet days
How Rochester ranks in July
- Normal high318th warmest of 378 cities; 2nd of 3 in Minnesota
- Wet days247th driest of 378
- Comfortable days58th most of 340
What to pack for Rochester in July
- A rain jacket or umbrella – rain on about 11 days
- Sunglasses and sunscreen – about 15.1 hours of daylight and highs near 80°F
Heating and cooling
July has 14 heating degree days and 186 cooling degree days (base 65°F), 2% of the year's total heating and cooling demand.
Questions
How hot is Rochester in July?
The normal high is 80°F and the normal low is 61°F. From 1991 to 2020 the hottest July reading was 99°F (July 13, 1995).
Does it rain a lot in Rochester in July?
About 11 days in July have at least 0.01 in of precipitation, and the normal total is 4.2 in. The wettest July in 1991-2020 was in 1997 (9.0 in); the driest was in 2007 (1.1 in).
Is July a good time to visit Rochester?
July ranks 5th of 12 months on our comfort score for Rochester (66 out of 100). It has about 10 comfortable days and about 2 days at 90°F or hotter. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Rochester Intl Airport (USW00014925), 8.2 mi S of the city center, 1,304 ft (280 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Rochester International Airport (726440-14925), 8.2 mi S of the city center, 1,305 ft (281 ft higher than the city). Hourly observations, 1991-2020.