Montego Bay in August

In August, Montego Bay averages 31°C (87°F) during the day and 24°C (76°F) at night, with frequent rain — about 28 days of the month see precipitation (142 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

It's peak hurricane season in Montego Bay during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

31°C
Avg high
24°C
Avg low
28
Rain days
142 mm
Rainfall

How August compares to the rest of the year in Montego Bay

1st
warmest month of the 12
4th
wettest month of the 12
10%
of yearly rainfall falls in August
12 h 46 min
daylight on the 15th

August is one of the warmest months in Montego Bay (1st of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 2°C above the annual average (29°C). August runs roughly the same as July (31°C) and stays flat into September.

August sunrise & sunset in Montego Bay

🌅
Sunrise (15th)
5:53 AM
🌇
Sunset (15th)
6:38 PM
Day length
12 h 46 min

Times shown for Montego Bay local time (America/Jamaica), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Montego Bay — August

Golden-hour and blue-hour windows for the 15th of August, in Montego Bay's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:53 AM – 5:33 AM
🌄 Golden hour (AM)
5:33 AM – 6:33 AM
🌇 Golden hour (PM)
5:58 PM – 6:58 PM
🌆 Blue hour (PM)
6:58 PM – 7:38 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Montego Bay.

📅 When to book — Montego Bay in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Shoulder) and Montego Bay's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — August in Montego Bay

Shoulder

Montego Bay is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: Northern Hemisphere summer holidays peak hazard season (1 active)

Sun & mosquito risk — August in Montego Bay

☀️ UV Index (noon, 15th)
12.9
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Montego Bay — August

30.4°C (87°F)
bath-warm
tropical and comfortable for hours

Across the year Montego Bay's sea swings from 27.3°C (February) to 30.8°C (September) — August sits at 30.4°C.

Montego Bay in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 27°C / 81°F 21°C / 70°F 63 mm 24
February 28°C / 82°F 21°C / 70°F 55 mm 23
March 28°C / 83°F 21°C / 70°F 71 mm 24
April 29°C / 84°F 22°C / 71°F 106 mm 27
May 30°C / 85°F 23°C / 73°F 212 mm 29
June 30°C / 87°F 24°C / 75°F 123 mm 25
July 31°C / 87°F 24°C / 76°F 97 mm 26
August 31°C / 87°F 24°C / 76°F 142 mm 28
September 31°C / 87°F 24°C / 76°F 181 mm 29
October 30°C / 85°F 24°C / 75°F 190 mm 30
November 28°C / 83°F 23°C / 73°F 96 mm 25
December 28°C / 82°F 22°C / 72°F 67 mm 22

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Montego Bay in August →

Frequently asked questions

How hot is Montego Bay in August?

In August, Montego Bay averages a high of 31°C (87°F) and a low of 24°C (76°F) — generally hot.

Does it rain a lot in Montego Bay in August?

August is quite rainy in Montego Bay, with about 28 rainy days on average.

Is August a good time to visit Montego Bay?

August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Montego Bay in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Montego Bay for a complete, climate-based checklist.

Open Montego Bay on the interactive map

Check the live 10-day forecast and sunrise/sunset.