Montego Bay
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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.

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

Montego Bay Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Montego Bay - and find the best time to visit.

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 records 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 2026, 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 6, 2026).
  • 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    8/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Montego Bay 3-Day Forecast

More climate data for Montego Bay

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.