Key West weather in June
June in Key West: sweltering, rainy, with clean air — an excellent time to visit.
#5 of 12 months in Key West · #275 of 604 destinations to visit in June · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Key West climate normals — June
| Daytime high | 29°C / 83°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 109 mm / 4.3 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 24°C / 74°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 13.6 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Key West in June — FAQ
- Is June a good time to visit Key West?
- June in Key West: sweltering, rainy, with clean air — an excellent time to visit. It ranks #5 of 12 months for Key West on SeasonMap's comfort score (83/100).
- What is the weather like in Key West in June?
- In June, Key West averages a daily high of 28.5°C and a low of 26.8°C, with about 108.9 mm of rain over roughly 14.8 rainy days.
- What is the air quality in Key West in June?
- Key West has a mean US Air Quality Index of about 43 in June.