Rochester, NY weather in July
Rochester is warm in July, with frequent rain: highs average 83°F and nights drop to about 62°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
- 83°F
- Normal low
- 62°F
- Wet days
- 11
- 3.6 in total
- Muggy days
- 8
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 82°F | 82°F |
| Normal low | 61°F | 63°F |
| Chance of a wet day | 36% | 37% |
| Sunrise / sunset | 5:34 am / 8:54 pm | 6:00 am / 8:33 pm |
| Daylight | 15.3 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 (Eastern Time).
A typical July day
- 6 am65°Fdew point 61°F
- 9 am73°Fdew point 62°F
- Noon78°Fdew point 61°F
- 3 pm79°Fdew point 61°F
- 6 pm77°Fdew point 60°F
- 9 pm70°Fdew point 61°F
NOAA hourly normals (local standard time) from Rochester Gtr Intl Airport (4 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F8 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph14 of 31
- Hot dayshigh 90°F or more4 of 31
- Muggy daysdaily mean dew point 65°F or more8 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in6 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 3.6 in; a dry July brings about 2.0 in and a wet one about 4.4 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How July varies from year to year
- Warmest July, 1991-20202018: average high 86°F
- Coolest July1992: average high 75°F
- Wettest July2006: 8.0 in
- Driest July1994: 0.6 in
- Highest reading98°F (July 21, 2011)
- Lowest reading45°F (July 2, 2001)
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 | 83°F | 81°F |
| Normal low | 57°F | 62°F | 61°F |
| Wet days | 12 | 11 | 10 |
| Comfortable days | 14 | 8 | 11 |
| Daylight | 15.3 h | 15.0 h | 13.9 h |
Highs change by +5°F from June and -2°F into August.
Nearby alternatives in July
- Cooler: Lake Placid, NY197 mi · high 74°F · 14 wet days
How Rochester ranks in July
- Normal high293rd warmest of 378 cities; 5th of 10 in New York
- Wet days288th driest of 378
- Comfortable days70th most of 340
What to pack for Rochester in July
- A rain jacket or umbrella – rain on about 11 days
- A swimsuit – about 14 beach days
- Sunglasses and sunscreen – about 15.0 hours of daylight and highs near 83°F
Heating and cooling
July has 6 heating degree days and 234 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Rochester in July?
The normal high is 83°F and the normal low is 62°F. From 1991 to 2020 the hottest July reading was 98°F (most recently on July 21, 2011).
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 3.6 in. The wettest July in 1991-2020 was in 2006 (8.0 in); the driest was in 1994 (0.6 in).
Is July a good time to visit Rochester?
July ranks 5th of 12 months on our comfort score for Rochester (63 out of 100). It has about 8 comfortable days and about 4 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 and humidity and wind by hour: Rochester Gtr Intl Airport (USW00014768), 4.0 mi SW of the city center, 533 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Greater Rochester International Airport (725290-14768), 4.0 mi SW of the city center, 540 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).