Baltimore weather in August
Baltimore in August averages 24°C (76°F) and 104 mm of rain.
Of the twelve months in Baltimore, August is the second warmest and the third wettest.
- Average temp
- 24°C (76°F)
19–30°C · 66–86°F
- Rainfall
- 104 mm
Showers likely
- Sunshine
- —
- Wind
- 9 km/h
What is Baltimore like in August?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings stay warm.
What should I pack for Baltimore in August?
High-factor sun cream
With daytime highs around 30°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A light rain jacket
About 104 mm falls this month — showers rather than washouts.
A layer for the evening
The day swings about 11°C between its low and its high.
August compared with July and September
August in Baltimore is 1.2°C cooler than July and about as wet as it, which averages 26°C (78°F).
August in Baltimore is 3.8°C warmer than September and about as wet as it, which averages 21°C (69°F).
Daylight in Baltimore in August
On 15 August the sun is up for 13 hours 41 minutes in Baltimore, rising about 06:19 and setting about 20:01 local time.
August ends 1 hour 8 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 1 hour 15 minutes short of June, the longest-lit month here.
Where to stay in Baltimore
Dates are a starting point for August.
Travel guides for Baltimore
What to read before you book.
Baltimore weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 1°C / 34°F | 78 mm |
| February | 3°C / 37°F | 74 mm |
| March | 7°C / 44°F | 102 mm |
| April | 13°C / 55°F | 87 mm |
| May | 18°C / 64°F | 97 mm |
| June | 23°C / 73°F | 101 mm |
| July | 26°C / 78°F | 111 mm |
| August | 24°C / 76°F | 104 mm |
| September | 21°C / 69°F | 113 mm |
| October | 14°C / 57°F | 100 mm |
| November | 8°C / 47°F | 80 mm |
| December | 4°C / 38°F | 95 mm |
Similar weather in August
Other destinations whose August averages sit close to this one.
Check another month
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FAQs about Baltimore in August
August climate averages for Baltimore, 1991–2020.
Baltimore averages 24°C (76°F) in August, ranging from about 19°C (66°F) at night to 30°C (86°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 104 mm falls across August, enough to need a light jacket but not enough to reshape a trip.
Yes. August averages 24°C (76°F) against 21°C (69°F) in September — 3.8°C warmer.
August is 1.2°C cooler than July, and about as wet.
Yes. August falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 41 minutes of daylight in mid-August, against 14 hours 56 minutes in June and 9 hours 25 minutes in December.
On 15 August, sunrise is about 06:19 and sunset about 20:01 local time. Both shift across the month — the month ends 1 hour 8 minutes shorter than it starts.
