Cuba's Climate: Tropical Rhythms of Wet and Dry Seasons

Understanding Cuba's Year-Round Tropical Weather

Cuba enjoys a classic tropical climate moderated by its maritime position and northeast trade winds. With average annual temperatures of 77.9°F (25.5°C) and 80% relative humidity, the island experiences two distinct seasons rather than four temperate ones.

Seasonal Patterns

Dry Season (November - April): "Invierno"

• Temperatures: Pleasant 70-82°F (21-28°C); cooler nights (60s°F/15-20°C)
• Rainfall: Minimal; occasional cold fronts ("nortes") bring brief showers
• Humidity: Lower (70-75%); comfortable for outdoor activities
• Tourism peak: December-March; highest prices, best weather

Wet Season (May - October): "Verano"

• Temperatures: Hot 77-90°F (25-32°C); July-August hottest (avg high 90°F/32°C)
• Rainfall: 75% of annual ~51 inches (1,300 mm); afternoon thunderstorms typical
• Humidity: High (80-90%); muggy conditions
• Hurricane season: June-November; peak August-October

Regional Variations

• Eastern region (Santiago de Cuba, Guantánamo): Wettest; Sierra Maestra orographic rainfall
• Central region (Camagüey, Santa Clara): High rainfall; variable topography
• Western region (Havana, Pinar del Río): Slightly drier; more pronounced dry season
• Cays/Keys (Varadero, Cayo Coco): Lower rainfall; constant breezes; warmer nights

Havana's Microclimate

Cuba's capital (northwest coast) exemplifies the national pattern with subtle differences:

• Annual temp: 77.7°F (25.4°C); highs 90°F (32°C), lows 65°F (18.6°C)
• Rainfall: ~43 inches (1,100 mm)—less than national average
• Humidity: Avg 77% (vs. 80% national)
• Sea breezes: Daily onshore/offshore cycles moderate temperatures
• Hurricane exposure: Direct hits rare but catastrophic (e.g., Hurricane Irma 2017)

Wind Patterns and Hurricane Reality

Trade winds (northeast) dominate year-round, providing natural ventilation. During hurricane season, tropical waves, depressions, and storms track westward. Cuba's size and mountain ranges often disrupt storm organization, but landfalls occur every few years. The 2022 Hurricane Ian (Category 3) caused widespread damage in Pinar del Río.

Climate Change Impacts

• Rising temperatures: +1.5°F (0.8°C) since 1950
• Sea level rise: Threatens coastal communities, agriculture, tourism infrastructure
• Rainfall variability: More intense droughts and extreme rainfall events
• Hurricane intensity: Higher proportion of Category 4-5 storms

Practical Implications for Visitors

• Best weather: December-March (dry, comfortable, peak prices)
• Best value: April-May, November (shoulder seasons; good weather, lower costs)
• Budget/rain tolerance: June-October (hot, humid, daily storms, lowest prices, hurricane risk)
• Packing: Light layers, rain jacket, sun protection, insect repellent year-round

Cuba's climate—predictable in its seasonal rhythm, variable in its extremes—shapes everything from agriculture (sugar, tobacco timing) to architecture (high ceilings, shutters, courtyards) to daily life rhythms (siesta culture, evening social life). Understanding its patterns enhances any Cuban experience.