Central America in August: Weather, Crowds & What to Expect
Climate Map for August
Average temperature across Central America in August.
Country Weather in August
| Country | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Guatemala | 25° | 15° | 185 mm | extreme | Mild |
| Honduras | 29° | 17° | 132 mm | extreme | Mild |
| Nicaragua | 31° | 22° | 258 mm | extreme | Warm |
| El Salvador | 29° | 18° | 303 mm | extreme | Mild |
| Costa Rica | 26° | 16° | 411 mm | extreme | Mild |
| Panama | 30° | 23° | 187 mm | very high | Warm |
| Belize | 31° | 24° | 181 mm | extreme | Hot |
Representative figures from each country's largest city. High / low are average daily temperatures (°C); “Feels” allows for humidity.
Pacific Coast & the Dry Corridor (Guatemala Pacific, El Salvador, Nicaragua Pacific, Costa Rica Pacific-Guanacaste, Nicoya, Manuel Antonio; Panama Pacific beaches like Pedasí & Playa Venao)
Persistent humidity and regular convective storms shape August across the corridor; torrential bursts can suddenly flood low-lying roads and make river crossings tricky in rural areas. Temperatures at sea level still reach the high 20s-low 30s°C, but the frequent cloud cover keeps extremes in check. Travelers seeking bargains will find discounted rates and emptier beaches, though adventurous travelers should prepare for slippery trails and potential itinerary disruptions.
Caribbean Coast & Bay Islands (Belize coast & Cayes, Honduras Bay Islands Roatán/Utila, Nicaragua Caribbean RAAS, Costa Rica Limon, Panama San Blas & Bocas del Toro)
August is within the heart of the Atlantic hurricane season, so the risk of tropical storms is meaningful although direct hits are uncommon; still, powerful rainfall events and rough seas can disrupt ferry schedules and dive trips. Visibility for snorkeling can suffer right after big storms because of runoff and stirred sediments. Tour operators often offer last-minute rebooking options; if visiting now, buy refundable tickets and monitor regional weather bulletins closely.
Highlands & Volcanic Belt (Guatemala Highlands-Antigua, Lake Atitlán, Quetzaltenango; El Salvador & Nicaragua highlands, Costa Rica Central Valley & foothills)
August continues the pattern of cloud, mist and afternoon storms, and night-time lows can feel chilly without the sun’s daytime warmth; this is peak green season for coffee harvesting regions. Cultural events are less common than in the dry months, so tourist infrastructure can be quieter-good for travelers who prefer fewer crowds. Pack layers, gaiters and quick-dry clothing for muddy trails and cool evenings.
Cloud Forests & High-Mountain Reserves (Monteverde, Cerro Chirripó, Costa Rica’s central highlands; Panama’s Boquete & Chiriquí)
August continues the wet pattern and can be one of the rainier months for cloud forest zones; the likelihood of prolonged rain increases the chance of trail closures and unstable ground on steep slopes. Wildlife viewing can be excellent but requires patience and early starts; pack insect repellent and waterproof boots with good traction. If your schedule is flexible you’ll find off-season calm and fewer tourists, at the cost of less reliable trail conditions.
Belize Mainland & the Barrier Reef (Belize-Ambergris Caye, Caye Caulker, inland cayes and mainland)
August sits in the Atlantic storm season with elevated risk of tropical disturbances that can affect Belizean waters: watch advisories and have flexible plans. Visibility for diving is variable after major rains, but the reef’s biodiversity is still there for patient divers and snorkelers. If you visit now, aim for short, repeat dive trips so cancellations don’t ruin your entire itinerary.