Rochester weather in July: Rochester, New York: normal highs, lows, rain and records for July
Rochester in July has a normal high of 83°F and a normal low of 62°F, a daily mean of 72°F, holding near 83°F all month. Measurable precipitation falls on 11 days in a normal July, 3.56 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 17°C, 90 mm of precipitation in July.
- NOAA stationFrederick Douglass Greater Rochester International Airport
- Station IDUSW00014768
- Location43.12°N 77.68°W
- Elevation533 ft (163 m)
- From the center5 miles
- Population207,282
- Jan 33° 19°
- Feb 35° 20°
- Mar 44° 27°
- Apr 57° 37°
- May 69° 48°
- Jun 78° 57°
- Jul 83° 62°
- Aug 81° 61°
- Sep 74° 54°
- Oct 61° 43°
- Nov 49° 34°
- Dec 39° 25°
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 83°F and the normal low 62°F, for a daily mean of 72.3°F. July is 4.7°F warmer than June and 1.6°F warmer than August. July is the warmest month of the year in Rochester and the wettest. From one year to the next July's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Julys in three average between 70°F and 75°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 | 82°F | 61°F | 36% | 22% |
| July 8 | 83°F | 62°F | 36% | 21% |
| July 15 | 83°F | 62°F | 36% | 21% |
| July 22 | 83°F | 63°F | 37% | 22% |
| July 31 | 82°F | 63°F | 37% | 22% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 15, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 82°F | 61°F | 36% | 22% | 15 h 20 min |
| July 2 | 82°F | 61°F | 36% | 22% | 15 h 20 min |
| July 3 | 82°F | 61°F | 36% | 21% | 15 h 20 min |
| July 4 | 82°F | 61°F | 36% | 21% | 15 h 20 min |
| July 5 | 82°F | 62°F | 36% | 21% | 15 h 20 min |
| July 6 | 82°F | 62°F | 36% | 21% | 15 h 20 min |
| July 7 | 82°F | 62°F | 36% | 21% | 15 h 20 min |
| July 8 | 83°F | 62°F | 36% | 21% | 15 h 10 min |
| July 9 | 83°F | 62°F | 36% | 21% | 15 h 10 min |
| July 10 | 83°F | 62°F | 36% | 21% | 15 h 10 min |
| July 11 | 83°F | 62°F | 36% | 21% | 15 h 10 min |
| July 12 | 83°F | 62°F | 36% | 21% | 15 h 10 min |
| July 13 | 83°F | 62°F | 36% | 21% | 15 h 10 min |
| July 14 | 83°F | 62°F | 36% | 21% | 15 h 10 min |
| July 15 | 83°F | 62°F | 36% | 21% | 15 h 10 min |
| July 16 | 83°F | 63°F | 36% | 21% | 15 h |
| July 17 | 83°F | 63°F | 37% | 22% | 15 h |
| July 18 | 83°F | 63°F | 37% | 22% | 15 h |
| July 19 | 83°F | 63°F | 37% | 22% | 15 h |
| July 20 | 83°F | 63°F | 37% | 22% | 15 h |
| July 21 | 83°F | 63°F | 37% | 22% | 15 h |
| July 22 | 83°F | 63°F | 37% | 22% | 14 h 50 min |
| July 23 | 83°F | 63°F | 37% | 22% | 14 h 50 min |
| July 24 | 83°F | 63°F | 37% | 22% | 14 h 50 min |
| July 25 | 83°F | 63°F | 37% | 22% | 14 h 50 min |
| July 26 | 83°F | 63°F | 37% | 22% | 14 h 50 min |
| July 27 | 83°F | 63°F | 37% | 22% | 14 h 40 min |
| July 28 | 82°F | 63°F | 37% | 22% | 14 h 40 min |
| July 29 | 82°F | 63°F | 37% | 22% | 14 h 40 min |
| July 30 | 82°F | 63°F | 37% | 22% | 14 h 40 min |
| July 31 | 82°F | 63°F | 37% | 22% | 14 h 40 min |
- Normal high
- 83°FJuly average
- Normal low
- 62°FJuly average
- Precipitation
- 3.56 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 15 h 20 min to 14 h 40 minJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 20
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014768; 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 37% on average, highest around July 26 (37%). In all, 3.56 in falls on 11 days of a normal July, 1 of them with an inch or more.
In a normal July in Rochester, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014768.
How humid and windy is Rochester in July?
At 3 p.m. the normal temperature is 79°F with 53% relative humidity and a dew point of 61°F; at 6 a.m. it is 64°F with 89% humidity. The wind averages 7.2 mph, most often from the west-northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 64°F | 61°F | 89% | 5.9 mph | – |
| 9 a.m. | 72°F | 62°F | 71% | 7.9 mph | 29% |
| noon | 78°F | 61°F | 57% | 9.4 mph | – |
| 3 p.m. | 79°F | 61°F | 53% | 10.3 mph | 21% |
| 6 p.m. | 77°F | 60°F | 57% | 8.8 mph | – |
| 9 p.m. | 70°F | 61°F | 74% | 5.0 mph | 38% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014768. 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 1872) is 102°F, on July 10, 1936; the coldest is 42°F, on July 9, 1963. The wettest July brought 9.70 in (1947).
The July mean against the 1991-2020 normal of 72.3°F: 2021 69.6°F (−2.7), 2022 72.1°F (−0.2), 2023 71.9°F (−0.4), 2024 74.1°F (+1.8), 2025 74.1°F (+1.8), 2026 72.3°F (at normal). 2 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.6°F | −2.7°F | 7.66 in |
| 2022 | 72.1°F | −0.2°F | 1.78 in |
| 2023 | 71.9°F | −0.4°F | 6.81 in |
| 2024 | 74.1°F | +1.8°F | 2.56 in |
| 2025 | 74.1°F | +1.8°F | 1.86 in |
| 2026 | 72.3°F | at normal | 5.37 in |
Source: records: ACIS, NWS threaded record ROCthr; recent months: ACIS, station USW00014768. Records and recent months use complete months only.
How does July in Rochester compare across New York?
Across the 131 places PlainClimate covers in New York, July normal highs run from 73°F in Cooperstown to 87°F in Mineola; Rochester's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.