St. George's weather in May
May in St. George's: hot, a little rain, with very humid — an excellent time to visit.
#5 of 12 months in St. George's · #301 of 604 destinations to visit in May · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
St. George's climate normals — May
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 47 mm / 1.9 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 12.7 h | |
| Wind | 31 km/h / 19 mph | |
| Air quality (US AQI) | 59 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is St. George's?
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St. George's in May — FAQ
- Is May a good time to visit St. George's?
- May in St. George's: hot, a little rain, with very humid — an excellent time to visit. It ranks #5 of 12 months for St. George's on SeasonMap's comfort score (82/100).
- What is the weather like in St. George's in May?
- In May, St. George's averages a daily high of 28.2°C and a low of 26.2°C, with about 47.2 mm of rain over roughly 9 rainy days.
- What is the air quality in St. George's in May?
- St. George's has a mean US Air Quality Index of about 59 in May.