Puerto Rico's Climate: Tropical Warmth Year-Round (75°F Average)

Puerto Rico enjoys a tropical marine climate — consistently warm, moderated by trade winds and ocean.

Temperature Profile

• Annual average: 75°F (24°C).
• Coolest (Jan–Feb): 68–72°F (20–22°C) lows; 80–83°F (27–28°C) highs.
• Warmest (Aug–Sep): 77–81°F (25–27°C) lows; 88–91°F (31–33°C) highs.
• Extremes: Rarely below 60°F (16°C) coast; above 95°F (35°C) urban.

Elevation Matters

• Coastal zones (San Juan, Ponce, Mayagüez): As above.
• Central mountains (Cordillera Central): 2,000–4,000 ft — 5–10°F cooler; frost rare but possible >3,500 ft.
• Cerro de Punta (4,390 ft): Can dip to 40s°F (4–9°C) at night.

Rainfall & Seasons

• Dry season: Dec–Apr (north/east); Feb–Mar (south/west).
• Wet season: May–Nov (peaks Sep–Oct).
• Annual: 30–60 in (coast), 80–150+ in (mountains).
• Hurricanes: Jun–Nov (peak Sep); direct hits ~every 20–30 yrs (Maria 2017, Georges 1998).

What It Feels Like

• Humidity: 70–85% year-round — "sticky" but breezy.
• Trade winds (NE) = natural AC.
• No heating needed; AC standard.

Pack light layers, rain shell, reef-safe sunscreen. Leave the parka home.