Baltimore weather in August
August in Baltimore: warm, rainy — a great time to visit.
#6 of 12 months in Baltimore · #567 of 897 destinations to visit in August · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Baltimore in August
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Baltimore climate normals — August
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 21°C / 71°F | |
| Rainfall | 123 mm / 4.8 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 13.7 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 63 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Baltimore in August — FAQ
- Is August a good time to visit Baltimore?
- August in Baltimore: warm, rainy — a great time to visit. It ranks #6 of 12 months for Baltimore on SeasonMap's comfort score (75/100).
- What is the weather like in Baltimore in August?
- In August, Baltimore averages a daily high of 28.9°C and a low of 21.4°C, with about 123 mm of rain over roughly 14 rainy days.
- What is the air quality in Baltimore in August?
- Baltimore has a mean US Air Quality Index of about 63 in August.