Rochester weather in July
In July, Rochester sees average daytime highs of 80°F and overnight lows near 63°F, with 3.5 in of rain across 11.1 wet days and about 14.9 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 80°F through the month. The sky is clear or mostly clear about 28% of the time in July, and the air most often feels humid.
Daylight stretches from about 15 h 12 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Rochester's 6th-clearest and 11th-windiest month. For the whole year in context, see Rochester's year-round climate.
- Daytime high
- 80°
- 1st warmest
- Overnight low
- 63°
- 12th coldest
- Rainfall
- 3.5 in
- 11.1 wet days
- Daylight
- 14 h 54 min
- 4:22 AM – 7:17 PM
- Cloud cover
- 59%
- 6th clearest
- Wind
- 6 mph
- 11th windiest
- Solar energy
- 5.99 kWh/m²
- Travel score
- 6.4
- out of 10
Rochester is city in Strafford County, New Hampshire, United States.
- Density
- 253/km²
- people per km²
- Founded
- 1749
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 80°F through the month.
A typical July day in Rochester reaches about 80°F in the afternoon and slips back to 63°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 89°F. Set against its neighbours, July runs about 5°F warmer than June and about 1°F warmer than August.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 79 | 79 | 79 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 |
| Avg low (°F) | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 63 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 79 | 62 |
| 2 | 79 | 62 |
| 3 | 79 | 62 |
| 4 | 79 | 62 |
| 5 | 79 | 62 |
| 6 | 79 | 62 |
| 7 | 80 | 62 |
| 8 | 80 | 62 |
| 9 | 80 | 63 |
| 10 | 80 | 63 |
| 11 | 80 | 63 |
| 12 | 80 | 63 |
| 13 | 80 | 63 |
| 14 | 80 | 63 |
| 15 | 80 | 63 |
| 16 | 80 | 63 |
| 17 | 80 | 63 |
| 18 | 80 | 63 |
| 19 | 80 | 63 |
| 20 | 80 | 63 |
| 21 | 80 | 63 |
| 22 | 80 | 64 |
| 23 | 80 | 64 |
| 24 | 80 | 64 |
| 25 | 80 | 64 |
| 26 | 80 | 64 |
| 27 | 80 | 64 |
| 28 | 80 | 63 |
| 29 | 80 | 63 |
| 30 | 80 | 63 |
| 31 | 80 | 63 |
How July really feels in Rochester
Once humidity and wind are folded in, July averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Rochester weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 31° / 17° | 3.3 | 9.5 | 6.9 | 9.2 | 0.0 |
| Feb | 34° / 18° | 3.2 | 9 | 6.8 | 10.2 | 0.0 |
| Mar | 42° / 26° | 4.2 | 10.8 | 5.8 | 11.6 | 0.4 |
| Apr | 54° / 38° | 4.1 | 10.9 | 1.9 | 13.2 | 3.2 |
| May | 65° / 47° | 3.1 | 10.7 | 0.1 | 14.5 | 5.6 |
| Jun | 74° / 57° | 3.8 | 11.8 | 0 | 15.1 | 6.4 |
| Jul | 80° / 63° | 3.5 | 11.1 | 0 | 14.9 | 6.4 |
| Aug | 78° / 61° | 3.4 | 9.5 | 0 | 13.8 | 6.8 |
| Sep | 71° / 54° | 3.4 | 8.6 | 0 | 12.3 | 6.8 |
| Oct | 59° / 43° | 4.2 | 9.5 | 0.3 | 10.8 | 4.7 |
| Nov | 47° / 33° | 3.6 | 9.2 | 1.5 | 9.5 | 1.6 |
| Dec | 37° / 24° | 4.3 | 10.2 | 5.6 | 8.8 | 0.0 |
Cloud cover in July
The sky is clear or mostly clear about 28% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 51%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 47 | 47 | 48 | 49 | 50 | 51 | 51 | 51 | 52 | 52 | 52 | 53 | 52 | 52 | 52 | 51 | 51 | 49 | 48 | 48 | 47 | 47 | 48 | 47 | 47 | 47 | 47 | 48 | 48 | 48 | 49 |
| Cloudier (%) | 53 | 53 | 52 | 51 | 50 | 49 | 49 | 49 | 48 | 48 | 48 | 47 | 48 | 48 | 48 | 49 | 49 | 51 | 52 | 52 | 53 | 53 | 52 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 51 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 47 | 53 |
| 2 | 47 | 53 |
| 3 | 48 | 52 |
| 4 | 49 | 51 |
| 5 | 50 | 50 |
| 6 | 51 | 49 |
| 7 | 51 | 49 |
| 8 | 51 | 49 |
| 9 | 52 | 48 |
| 10 | 52 | 48 |
| 11 | 52 | 48 |
| 12 | 53 | 47 |
| 13 | 52 | 48 |
| 14 | 52 | 48 |
| 15 | 52 | 48 |
| 16 | 51 | 49 |
| 17 | 51 | 49 |
| 18 | 49 | 51 |
| 19 | 48 | 52 |
| 20 | 48 | 52 |
| 21 | 47 | 53 |
| 22 | 47 | 53 |
| 23 | 48 | 52 |
| 24 | 47 | 53 |
| 25 | 47 | 53 |
| 26 | 47 | 53 |
| 27 | 47 | 53 |
| 28 | 48 | 52 |
| 29 | 48 | 52 |
| 30 | 48 | 52 |
| 31 | 49 | 51 |
Chance of precipitation in July
Rochester gets around 3.5 in of rain over 11.1 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 37% and peaks near 38% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 37 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 |
| Rain chance (%) | |
|---|---|
| 1 | 37 |
| 2 | 37 |
| 3 | 37 |
| 4 | 36 |
| 5 | 36 |
| 6 | 36 |
| 7 | 35 |
| 8 | 35 |
| 9 | 36 |
| 10 | 36 |
| 11 | 36 |
| 12 | 36 |
| 13 | 36 |
| 14 | 37 |
| 15 | 37 |
| 16 | 37 |
| 17 | 37 |
| 18 | 37 |
| 19 | 37 |
| 20 | 38 |
| 21 | 38 |
| 22 | 38 |
| 23 | 38 |
| 24 | 37 |
| 25 | 37 |
| 26 | 37 |
| 27 | 37 |
| 28 | 37 |
| 29 | 37 |
| 30 | 37 |
| 31 | 36 |
Humidity in July
Most of July feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the humid band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 25 | 25 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 20 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 |
| Comfortable (%) | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Humid (%) | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 32 | 32 | 32 |
| Muggy (%) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 |
| Oppressive (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 25 | 25 | 27 | 19 | 4 |
| 2 | 25 | 25 | 28 | 19 | 4 |
| 3 | 24 | 26 | 28 | 19 | 4 |
| 4 | 23 | 26 | 28 | 19 | 4 |
| 5 | 23 | 27 | 28 | 19 | 4 |
| 6 | 22 | 27 | 28 | 19 | 4 |
| 7 | 21 | 28 | 28 | 19 | 4 |
| 8 | 21 | 28 | 28 | 19 | 4 |
| 9 | 20 | 28 | 28 | 20 | 4 |
| 10 | 20 | 29 | 28 | 20 | 4 |
| 11 | 19 | 28 | 28 | 21 | 4 |
| 12 | 18 | 28 | 28 | 22 | 4 |
| 13 | 18 | 28 | 28 | 22 | 4 |
| 14 | 18 | 28 | 28 | 23 | 4 |
| 15 | 17 | 27 | 29 | 23 | 4 |
| 16 | 17 | 27 | 29 | 24 | 4 |
| 17 | 16 | 26 | 29 | 24 | 4 |
| 18 | 16 | 25 | 30 | 24 | 4 |
| 19 | 16 | 25 | 30 | 25 | 4 |
| 20 | 15 | 24 | 31 | 25 | 5 |
| 21 | 15 | 23 | 31 | 26 | 5 |
| 22 | 15 | 23 | 32 | 26 | 5 |
| 23 | 14 | 23 | 32 | 26 | 5 |
| 24 | 14 | 22 | 32 | 26 | 5 |
| 25 | 14 | 22 | 32 | 26 | 5 |
| 26 | 14 | 22 | 33 | 26 | 5 |
| 27 | 14 | 22 | 33 | 26 | 5 |
| 28 | 15 | 22 | 33 | 26 | 5 |
| 29 | 15 | 22 | 32 | 25 | 5 |
| 30 | 15 | 22 | 32 | 25 | 5 |
| 31 | 16 | 22 | 32 | 25 | 5 |
Wind in July
Winds average 6 mph in July.
Across July, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in July
Daylight runs from about 15 h 12 min at the start of July to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over July. Sunrise moves from 4:12 AM to 4:37 AM, and sunset from 7:22 PM to 7:03 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.7 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.4 |
| Sunrise (AM) | 4:12 | 4:12 | 4:13 | 4:14 | 4:14 | 4:15 | 4:15 | 4:16 | 4:17 | 4:17 | 4:18 | 4:19 | 4:20 | 4:20 | 4:21 | 4:22 | 4:23 | 4:24 | 4:25 | 4:26 | 4:27 | 4:28 | 4:28 | 4:29 | 4:30 | 4:31 | 4:32 | 4:33 | 4:34 | 4:36 | 4:37 |
| Sunset (PM) | 7:22 | 7:22 | 7:22 | 7:22 | 7:22 | 7:22 | 7:21 | 7:21 | 7:21 | 7:20 | 7:20 | 7:19 | 7:19 | 7:18 | 7:18 | 7:17 | 7:16 | 7:16 | 7:15 | 7:14 | 7:13 | 7:12 | 7:12 | 7:11 | 7:10 | 7:09 | 7:08 | 7:07 | 7:06 | 7:05 | 7:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.2 | 4:12 | 7:22 |
| 2 | 15.2 | 4:12 | 7:22 |
| 3 | 15.2 | 4:13 | 7:22 |
| 4 | 15.1 | 4:14 | 7:22 |
| 5 | 15.1 | 4:14 | 7:22 |
| 6 | 15.1 | 4:15 | 7:22 |
| 7 | 15.1 | 4:15 | 7:21 |
| 8 | 15.1 | 4:16 | 7:21 |
| 9 | 15.1 | 4:17 | 7:21 |
| 10 | 15.0 | 4:17 | 7:20 |
| 11 | 15.0 | 4:18 | 7:20 |
| 12 | 15.0 | 4:19 | 7:19 |
| 13 | 15.0 | 4:20 | 7:19 |
| 14 | 15.0 | 4:20 | 7:18 |
| 15 | 14.9 | 4:21 | 7:18 |
| 16 | 14.9 | 4:22 | 7:17 |
| 17 | 14.9 | 4:23 | 7:16 |
| 18 | 14.9 | 4:24 | 7:16 |
| 19 | 14.8 | 4:25 | 7:15 |
| 20 | 14.8 | 4:26 | 7:14 |
| 21 | 14.8 | 4:27 | 7:13 |
| 22 | 14.7 | 4:28 | 7:12 |
| 23 | 14.7 | 4:28 | 7:12 |
| 24 | 14.7 | 4:29 | 7:11 |
| 25 | 14.7 | 4:30 | 7:10 |
| 26 | 14.6 | 4:31 | 7:09 |
| 27 | 14.6 | 4:32 | 7:08 |
| 28 | 14.6 | 4:33 | 7:07 |
| 29 | 14.5 | 4:34 | 7:06 |
| 30 | 14.5 | 4:36 | 7:05 |
| 31 | 14.4 | 4:37 | 7:03 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 5.99 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 5.99 kWh/m² in July across the year — July's 5.99 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.2 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.1 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.0 | Intense |
| 15 | 6.0 | Bright |
| 16 | 6.0 | Bright |
| 17 | 5.9 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.7 | Bright |
| 29 | 5.7 | Bright |
| 30 | 5.7 | Bright |
| 31 | 5.7 | Bright |
Hazard calendar for Rochester
In July, Rochester sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Rochester sits in the Atlantic hurricane belt; the season peaks August–October.
Is July a good time to visit Rochester?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Rochester for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rochester in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Rochester sees daytime highs around 80°F and nights near 63°F. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.
Sea temperature near Rochester in July
The nearest coast averages about 63°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 22 mi away) is warmest in August at about 65°F and coldest in March near 38°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 42 | 39 | 38 | 42 | 49 | 57 | 63 | 65 | 62 | 55 | 49 | 45 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 42 | Bracing |
| Feb | 39 | Bracing |
| Mar | 38 | Bracing |
| Apr | 42 | Bracing |
| May | 49 | Bracing |
| Jun | 57 | Bracing |
| Jul | 63 | Cool |
| Aug | 65 | Cool |
| Sep | 62 | Cool |
| Oct | 55 | Bracing |
| Nov | 49 | Bracing |
| Dec | 45 | Bracing |
UV index in Rochester in July
Clear-sky midday UV in July peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rochester peaks around July 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 7 | 7 | 4 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | High | Very high | Moderate | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 7 | High |
| Jul | 7 | Very high |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Where is Rochester?
Rochester sits at 43.3°N, 71.0°W, 230 ft above sea level, in United States. The nearest listed city is Dover, 8.7 mi away.
Topography around Rochester
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Rochester.
Within 2 miles, the terrain around Rochester has only modest variations in elevation — a maximum elevation change of 318 ft around an average of 292 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,414 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,019 ft.
The land around Rochester is covered by trees (71%) within 2 miles, trees (85%) within 10 miles, and trees (72%) and water (22%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Rochester (43.3045°, -70.9756°, elevation 230 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).