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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scope Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Costa Rica’s weather by month breaks into two clear halves: the dry season (December to April) with mostly sunny skies, and the wet season (May to November) featuring afternoon showers. The live forecast above shows current conditions, but understanding the monthly rhythms helps you plan for the Pacific, Caribbean, and highland regions.
What are the main seasonal patterns across Costa Rica?
During the dry season, the Pacific coast and Central Valley see little rain, with temperatures ranging from 25–30 °C. The Caribbean coast stays more humid year‑round. In the wet season, mornings are often sunny and afternoons bring brief heavy downpours; Monteverde and other highland areas can be cooler and cloudier. Humidity is highest from September to November, especially on the Caribbean side.
How do monthly temperatures and humidity differ?
Average monthly temperatures vary by only a few degrees—coastal lows around 22 °C, highs near 32 °C. The diurnal range is more important: mornings are pleasant, afternoons hot. For travellers using costa rica weather by month in celsius, the chart above provides detailed data; those accustomed to costa rica weather by month fahrenheit will find the numbers roughly double plus 30. Costa rica weather by month humidity is consistently above 70% on the Caribbean side, lower on the Pacific during dry months. Monteverde costa rica weather by month shows cooler highs near 20 °C with frequent mist from December through February.
Which month has the best weather in Costa Rica?
March and April are often considered best: the dry season is still strong, humidity is lower on the Pacific, and crowds are smaller than December–February. The Caribbean is wettest in those months.
How does Monteverde’s weather differ from the coast?
Monteverde sits at about 1,400 m elevation, so it is cooler (15–20 °C daily) and often misty. The dry season (December–April) sees clearer mornings, while the wet season brings more fog and rain.
Does Costa Rica have a hurricane season?
Costa Rica lies south of the main Atlantic hurricane belt, but the Caribbean coast can see increased rain and rough seas from June to November. The Pacific side is rarely affected.
Sources
For more Canadian travel planning, explore our Canada weather hub or check weather warnings before your trip.