United States · 1991–2020 normal

Baltimore in
August.

Typical August weather in Baltimore: 30.7°C by day, 22.1°C at night, 113 mm of rain over 7.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high30.7°C
Typical low22.1°C
Rain113 mm
Wet days7.8

In the year-round weather comparison, August scores 50 out of 100 (May leads the year at 86). Daylight is calculated as 13 h 42 from latitude 39.29°. Open-water sea temperature is 25.7°C (28 km from the place centre).

August at a glance

What is Baltimore like in August?

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

Is Baltimore hot in August?

Days are typically hot at 30.7°C, while nights average 22.1°C.

Does it rain much?

The measured monthly average is 113 mm across about 8 wet days.

How much daylight is there?

There are about 13 h 42 between sunrise and sunset at mid-month, calculated from the place latitude.

Is August a good time to visit?

August ranks 6 of 12 in our weather comparison; May ranks first.

Event window

Warm sea in August

The nearest open-water NOAA OISST 1991–2020 cell averages 25.7°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 4347778
NOAA station
USW00093784 · MARYLAND SCI CTR
Station distance
1 km from the place centre
Coverage
Good coverage · 21 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 Baltimore 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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