Rochester weather in July: Rochester, Minnesota: normal highs, lows, rain and records for July
Rochester in July has a normal high of 80°F and a normal low of 61°F, a daily mean of 71°F, holding near 80°F all month. Measurable precipitation falls on 11 days in a normal July, 4.19 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 16°C, 106 mm of precipitation in July.
- NOAA stationRochester International Airport
- Station IDUSW00014925
- Location43.90°N 92.49°W
- Elevation1,304 ft (398 m)
- Population123,624
- Jan 23° 7°
- Feb 27° 11°
- Mar 40° 23°
- Apr 55° 35°
- May 68° 47°
- Jun 78° 58°
- Jul 80° 61°
- Aug 78° 58°
- Sep 72° 50°
- Oct 58° 38°
- Nov 42° 26°
- Dec 28° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rochester in July?
The normal high is 80°F and the normal low 61°F, for a daily mean of 70.5°F. July is 3.0°F warmer than June and 2.3°F warmer than August. July is the warmest month of the year in Rochester and the 3rd wettest. Across the month the normal high falls 1°F, from 80°F on July 1 to 79°F on July 31. From one year to the next July's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Julys in three average between 68°F and 73°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 80°F | 61°F | 37% | 24% |
| July 8 | 81°F | 61°F | 35% | 23% |
| July 15 | 81°F | 61°F | 34% | 22% |
| July 22 | 80°F | 61°F | 34% | 22% |
| July 31 | 79°F | 60°F | 34% | 21% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 7, coldest night July 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 80°F | 61°F | 37% | 24% | 15 h 30 min |
| July 2 | 80°F | 61°F | 36% | 24% | 15 h 30 min |
| July 3 | 81°F | 61°F | 36% | 24% | 15 h 20 min |
| July 4 | 81°F | 61°F | 36% | 23% | 15 h 20 min |
| July 5 | 81°F | 61°F | 36% | 23% | 15 h 20 min |
| July 6 | 81°F | 61°F | 36% | 23% | 15 h 20 min |
| July 7 | 81°F | 61°F | 35% | 23% | 15 h 20 min |
| July 8 | 81°F | 61°F | 35% | 23% | 15 h 20 min |
| July 9 | 81°F | 61°F | 35% | 23% | 15 h 20 min |
| July 10 | 81°F | 61°F | 35% | 23% | 15 h 20 min |
| July 11 | 81°F | 61°F | 35% | 23% | 15 h 20 min |
| July 12 | 81°F | 61°F | 35% | 23% | 15 h 10 min |
| July 13 | 81°F | 61°F | 35% | 23% | 15 h 10 min |
| July 14 | 81°F | 61°F | 34% | 23% | 15 h 10 min |
| July 15 | 81°F | 61°F | 34% | 22% | 15 h 10 min |
| July 16 | 81°F | 61°F | 34% | 22% | 15 h 10 min |
| July 17 | 81°F | 61°F | 34% | 22% | 15 h 10 min |
| July 18 | 80°F | 61°F | 34% | 22% | 15 h 10 min |
| July 19 | 80°F | 61°F | 34% | 22% | 15 h |
| July 20 | 80°F | 61°F | 34% | 22% | 15 h |
| July 21 | 80°F | 61°F | 34% | 22% | 15 h |
| July 22 | 80°F | 61°F | 34% | 22% | 15 h |
| July 23 | 80°F | 61°F | 34% | 22% | 15 h |
| July 24 | 80°F | 61°F | 34% | 22% | 15 h |
| July 25 | 80°F | 61°F | 34% | 22% | 14 h 50 min |
| July 26 | 80°F | 61°F | 34% | 22% | 14 h 50 min |
| July 27 | 80°F | 61°F | 34% | 21% | 14 h 50 min |
| July 28 | 80°F | 60°F | 34% | 21% | 14 h 50 min |
| July 29 | 80°F | 60°F | 34% | 21% | 14 h 40 min |
| July 30 | 80°F | 60°F | 34% | 21% | 14 h 40 min |
| July 31 | 79°F | 60°F | 34% | 21% | 14 h 40 min |
- Normal high
- 80°FJuly average
- Normal low
- 61°FJuly average
- Precipitation
- 4.19 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 15 h 30 min to 14 h 40 minJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 17
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014925; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rochester in July?
On a given July day the chance of 0.01 inch or more is 35% on average, highest around July 1 (37%). In all, 4.19 in falls on 11 days of a normal July, 1 of them with an inch or more.
In a normal July in Rochester, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014925.
How humid and windy is Rochester in July?
At 3 p.m. the normal temperature is 78°F with 60% relative humidity and a dew point of 63°F; at 6 a.m. it is 63°F with 91% humidity. The wind averages 8.6 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 63°F | 60°F | 91% | 7.5 mph | 65% |
| 9 a.m. | 71°F | 63°F | 74% | 9.0 mph | 70% |
| noon | 76°F | 63°F | 63% | 10.2 mph | 58% |
| 3 p.m. | 78°F | 63°F | 60% | 10.5 mph | 64% |
| 6 p.m. | 75°F | 63°F | 66% | 8.8 mph | 72% |
| 9 p.m. | 67°F | 62°F | 83% | 7.2 mph | 79% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014925. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Rochester?
The warmest July temperature on Rochester's official record (since 1886) is 108°F, on July 14, 1936; the coldest is 40°F, on July 17, 1911. The wettest July brought 12.33 in (1978).
The July mean against the 1991-2020 normal of 70.5°F: 2021 71.4°F (+0.9), 2022 71.0°F (+0.5), 2023 69.4°F (−1.1), 2024 70.6°F (+0.1), 2025 72.0°F (+1.5), 2026 74.2°F (+3.7). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.4°F | +0.9°F | 4.13 in |
| 2022 | 71.0°F | +0.5°F | 5.01 in |
| 2023 | 69.4°F | −1.1°F | 2.18 in |
| 2024 | 70.6°F | +0.1°F | 4.76 in |
| 2025 | 72.0°F | +1.5°F | 3.33 in |
| 2026 | 74.2°F | +3.7°F | 8.84 in |
Source: records: ACIS, NWS threaded record RSTthr; recent months: ACIS, station USW00014925. Records and recent months use complete months only.
How does July in Rochester compare across Minnesota?
Across the 129 places PlainClimate covers in Minnesota, July normal highs run from 70°F in Grand Marais to 85°F in Granite Falls; Rochester's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.