United States · 1991–2020 normal

Rochester in
August.

Typical August weather in Rochester: 26.6°C by day, 15.7°C at night, 84 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high26.6°C
Typical low15.7°C
Rain84 mm
Wet days8

In the year-round weather comparison, August scores 79 out of 100 (June leads the year at 82). Daylight is calculated as 13 h 57 from latitude 43.15°. Open-water sea temperature is 22.1°C (25 km from the place centre).

August at a glance

What is Rochester like in August?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Rochester hot in August?

Days are typically warm at 26.6°C, while nights average 15.7°C.

Does it rain much?

The measured monthly average is 84 mm across about 8 wet days.

How much daylight is there?

There are about 13 h 57 between sunrise and sunset at mid-month, calculated from the place latitude.

Is August a good time to visit?

August ranks 2 of 12 in our weather comparison; June ranks first.

Event window

Warm sea in August

The nearest open-water NOAA OISST 1991–2020 cell averages 22.1°C in August. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5134086
NOAA station
USW00014768 · ROCHESTER GTR INTL
Station distance
6.4 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
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The weather comparison for Rochester is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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