St. George's weather in August
August in St. George's: hot, soaked, with clean air — a great time to visit.
#9 of 12 months in St. George's · #344 of 604 destinations to visit in August · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
St. George's climate normals — August
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 153 mm / 6 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.5 h | |
| Wind | 27 km/h / 17 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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St. George's in August — FAQ
- Is August a good time to visit St. George's?
- August in St. George's: hot, soaked, with clean air — a great time to visit. It ranks #9 of 12 months for St. George's on SeasonMap's comfort score (77/100).
- What is the weather like in St. George's in August?
- In August, St. George's averages a daily high of 28.4°C and a low of 26.4°C, with about 153.4 mm of rain over roughly 23.6 rainy days.
- What is the air quality in St. George's in August?
- St. George's has a mean US Air Quality Index of about 44 in August.