Montego Bay Weather in August
August in Montego Bay brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 26°C (79°F). It's part of the rainy season, with 170 mm (6.7 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Montego Bay in August
Montego Bay is in the rainy season in August, with rain on around 13 days and an average of 170 mm (6.7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Montego Bay in August
Daytime temperatures in Montego Bay reach 32°C (90°F) in August, dropping to 26°C (79°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.
Sunshine in Montego Bay in August
With approximately 238 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.
Average water temperature in August
At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.For Montego Bay itself, January, February, March and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our Montego Bay's climate page.
Montego Bay Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
32°C (90°F)
Water Temperature
29°C (84°F)
Chance of Rain
44%
Precipitation
170 mm (6.7 in)
Rainy days
13 days
Humidity
77%
Sunshine
238 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Montego Bay typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Montego Bay in August
Browse day-by-day weather records for Montego Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Montego Bay historical weather extremes in August
Our historical data for Montego Bay spans 2004 to 2025, revealing these weather extremes.
- On August 1, 2009, temperatures climbed to 35°C (95°F), marking the warmest August day on record.
- On August 29, 2008, Montego Bay saw its coldest August day with temperatures maxing out at 26°C (79°F).
- The lowest overnight temperature recorded in August was 23°C (73°F) (August 31, 2022).
- The heaviest August precipitation occurred on August 26, 2021, when 91 mm (3.6 in) of precipitation fell.
Best Places in Jamaica in August
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in August →
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What to Wear in Montego Bay in August
Warm but pleasant conditions in Montego Bay in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Montego Bay in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our Montego Bay's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Montego Bay climate overview or explore weather in Jamaica.
