Montego Bay weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: January – December
What is the weather like in Montego Bay in August?
In August, Montego Bay is hot: daytime highs average 31 °C, and even at night it stays warm at around 26 °C. The sea averages 29.6 °C – almost as warm as a bath. With around 9 hours of sunshine a day, there is plenty of sun. It is the rainy season: rain falls on about 26 days, totalling 172 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Montego Bay.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 78 | 78 | 78 |
| Day | 31° | 31° | 31° |
| Night | 26° | 26° | 26° |
| Sea | 29° | 30° | 30° |
| Sun | 10 h | 9 h | 8 h |
| Rain days | 23 | 26 | 26 |
More details for August
- Daylight
- 12 h 46 min05:53 – 18:40
- UV index
- 13 · extremeclear sky, noon (estimate)
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 15 km/haverage daily peak
- Cloud cover
- 59 %on average
- Hot days
- 29 days30 °C or more
- Time zone
- UTC−5America/Jamaica
How the score comes together
- Temperatureweight 35 %94 %
- Seaweight 25 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Montego Bay in August: quick answers
Is Montego Bay hot in August?
Yes. In August, Montego Bay is hot: daytime highs average 31 °C and nights stay around 26 °C. On about 29 days the thermometer climbs to 30 °C or more.
Can you swim in Montego Bay in August?
Yes. In August the sea averages 29.6 °C – almost as warm as a bath.
Does it rain much in Montego Bay in August?
It rains often – on about 26 days, adding up to 172 mm.
Montego Bay month by month
The whole year in Montego BayAll destinations: Jamaica
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)