Montego Bay weather in August
August in Montego Bay: sweltering, soaked, with clean air — a great time to visit.
#12 of 12 months in Montego Bay · #338 of 604 destinations to visit in August · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Montego Bay climate normals — August
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 183 mm / 7.2 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.7 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Montego Bay in August — FAQ
- Is August a good time to visit Montego Bay?
- August in Montego Bay: sweltering, soaked, with clean air — a great time to visit. It ranks #12 of 12 months for Montego Bay on SeasonMap's comfort score (77/100).
- What is the weather like in Montego Bay in August?
- In August, Montego Bay averages a daily high of 31.7°C and a low of 26.2°C, with about 182.9 mm of rain over roughly 26.8 rainy days.
- What is the air quality in Montego Bay in August?
- Montego Bay has a mean US Air Quality Index of about 46 in August.