What’s the Weather in Jamaica in August? (Heat, Rain & Hurricane Season Explained)

Worried about the weather in Jamaica in August? You’ve probably heard it’s our hottest, stickiest month of the year, with rain and even hurricanes in the mix.

That sounds like a vacation nightmare, right? The reality is different. I’ve lived through countless Augusts in Jamaica, and with the right timing, you can expect plenty of sunshine, warm seas, and quick showers that pass before you know it.

This guide breaks down exactly what August weather is really like.

Quick Overview: August Weather at a Glance

In August, you’ll hear Jamaicans everywhere screaming out, “Lawd, dis heat nuh normal!” (Lord, this heat is not normal). Yes, it’s our hottest month of the year, but that’s only part of the story.

Along with the blazing sun, you’ll also get sticky humidity, quick afternoon rain showers, and the occasional hurricane watch

Here’s what you can expect from Jamaica’s weather in August:

• Hurricane risk: Low, but we keep an eye on thingst:
• Temperature: Daytime highs hit the low 90s°F (32–33°C), with nights rarely dropping below 74–76°F (23.5–24.5°C).
• Humidity: A sticky 80–90% that makes even us island-born folks hunt shade.
• Rainfall: About 6–7 inches of rain, mostly in short, heavy bursts.

The Average Temperature in Jamaica in August

Source: Jamaican Meteorological Service (20-year Mean Temperatures 1996-2015), archived at Wayback Machine.

The Rain Situation: Yes, It’s Wet Season (But Don’t Panic)

What should you expect with the rain in august in Jamaica? Well, August right in the middle of Jamaica’s rainy season (May to November), and yes, you will see some showers.

But before you start packing your entire rain gear collection.

Here’s what Jamaica’s wet season in August really looks like:

What to Expect with Rain in August

• Quick, intense afternoon showers that last 30-60 minutes
• Evening thunderstorms that clear up by nightfall
• Sunny mornings that are perfect for early adventures

Local tip: If a shower does catch you, don’t stress, it’s usually over in less than an hour. And if you need ideas to fill that time, check out my guide on what to do in Jamaica when it rains

Here’s how August rainfall looks across some of Jamaica’s most popular tourist spots:

Average Rainfall Across Jamaica in August

Source: Jamaican Meteorological Service (1996–2015), archived at Wayback Machine.

Sunshine & Daylight in Jamaica in August

Think Jamaica’s rainy season in August means no sun? Nah, you’re good. You’re still getting 8–9 hours of sunshine daily, with sunrise around 5:45–6:00 AM and sunset between 6:30–7:00 PM.

You’ll have more than enough sunshine for the beach and exploration.

Sea Water Temperatures in Jamaica in August

If you’re coming for the beaches (and let’s be real, who isn’t?), Jamaica beaches in August are straight-up paradise.

The Caribbean Sea is a warm 84–86°F (29–30°C), so when you step in, there’s no cold shock, just that perfect, relaxing warmth that makes you want to stay in all day.

Honestly, this is when the sea becomes your best friend. You can snorkel reefs in Negril, paddleboard in Montego Bay, or just float around between sunbathing sessions.

What to Expect from the Sea in August

• Wonderfully Warm: Around 29–30°C (84–86°F).
• All-Day Comfort: Swim or play for hours without ever feeling chilly.
• Clear & Calm: Especially on the north and west coasts, where the water is at its clearest.

Hurricane Season in August: Should You Worry?

Ok, let’s address the big elephant in the room: hurricane season.

Yes, August is part of Atlantic hurricane season (June 1 – November 30). But before you cancel your trip, consider this: Jamaica’s location in the Caribbean actually provides some natural protection.

The Real Numbers

According to NOAA’s Hurricane Database, direct hurricane hits on Jamaica are statistically rare:

• Average hurricanes per season affecting Jamaica: Less than 1
• Years between direct hits: Typically 7-10 years
• Most common impact: Tropical storm conditions with heavy rain and wind

Staying Weather-Aware

Here’s what I recommend:

1. Monitor weather apps: Weather Underground and the National Hurricane Center
2. Get travel insurance: Coverage for weather-related cancellations
3. Stay flexible: Book accommodations that allow changes
4. Local knowledge: Hotels and locals are excellent sources for real-time conditions

The reality? Most August visitors never see anything more dramatic than a good afternoon thunderstorm.

How August Weather Affects Your Jamaica Experience

Jamaica’s weather in August sets the stage for an unforgettable trip. Here’s how it plays out:

 Beach & Water Activities

• Sea temps: 84°F (29°C)—basically a warm pool.
• Snorkeling & diving: Mornings are best, with clear water.
• Fishing: August is prime for marlin, mahi-mahi, and wahoo.
• Sunset sails: Afternoon clouds make for stunning skies.

 Adventure Activities

• Best times: 6–10 AM and 4–7 PM, cooler and more comfortable.
• Great options:
  • Dunn’s River Falls or YS Falls (powerful in rainy season)
  • River rafting on the Martha Brae or Rio Grande
  • Exploring the Blue Mountains’ cooler misty trails

Packing Smart for Jamaica in August

You don’t need much, but you gotta pack right for Jamaica’s August climate. Here’s what I bring when I’m heading to the beach or the hills:

• Light, breathable clothes (cotton or linen, forget jeans).
• A couple of swimsuits, you’ll live in ‘em.
• High-SPF reef-safe sunscreen (the Jamaica sun in August is serious).
• Bug spray (mosquitoes love the humidity, trust me).
• A small umbrella or light rain jacket for those quick showers.
• An insulated water bottle, keeps you hydrated when you’re dancing at a street party.

Want the full packing rundown? Check my What to Pack for Jamaica Guide for all the insider tips.

Before You Go: See What’s the Weather Like in Other Months

Still deciding if August is the right time for you? Here’s a quick look at Jamaica’s weather in the months around it—so you can compare and find your perfect getaway window:

• Weather in Jamaica in June
• Weather in Jamaica in July
• Weather in Jamaica in September
• Weather in Jamaica in October