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Costa Rica travel guide: Pacific vs Caribbean seasons, airport gateways and road pacing

Costa Rica packs distinct Pacific, Central Valley and Caribbean climate regimes into a compact mountain country. Choose your airport gateway (San José SJO or Guanacaste LIR) and route around regional rainfall and daylight driving windows.

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Climate reference locations

These markers show locations with historical climate estimates for the surrounding area. Choose a location to see its climate table.

Dot: one place · Number: multiple places

On the mapApproximate locationLiberiaClimate reference locationView climate table

Map data: Natural Earth

Map markers are for orientation.

3 climate reference locations

All climate reference locations
  1. Liberia (Climate reference location)
  2. San José (Climate reference location)
  3. Limón (Climate reference location)

Location coordinates: Liberia, San José, Limón (Wikidata, CC0).

Contrast the North Pacific, Central Valley and Caribbean coast

Official Visit Costa Rica guidance highlights how the central mountain cordilleras split the country into separate Pacific and Caribbean weather patterns.

In the 2001-2025 NASA POWER series on this page, December precipitation drops to 0.6 mm/day at Liberia in Guanacaste and 2.3 mm/day at San José, while remaining at 7.2 mm/day at Limón on the Caribbean coast.

  • North Pacific (Liberia and Guanacaste): sharpest dry-season contrast from December through April.
  • Central Valley and cloud forests: cooler mountain elevations where mist and afternoon showers remain possible even in drier months.
  • Caribbean coast (Limón and southern beaches): humid year-round regime that does not follow the Pacific dry-season calendar.

Sources: Costa Rica Climate Overview

Select San José (SJO) or Guanacaste (LIR) and drive in daylight

Costa Rica’s two main international gateways, Juan Santamaría International Airport near San José and Guanacaste Airport in Liberia, serve different halves of the itinerary.

Because mountain roads wind through steep valleys where fog or heavy afternoon rain reduces visibility, plan every inter-regional drive or shuttle transfer for morning daylight hours.

  • Fly into Liberia (LIR) for direct access to Guanacaste beaches and northern volcano or cloud-forest bases.
  • Fly into San José (SJO) for the Central Valley, Caribbean coast or southern Pacific routes, or book an open-jaw ticket using both airports.
  • If your international flight lands after dark, sleep near the arrival airport and pick up your rental car or shuttle the next morning.

Sources: Costa Rica Travel Resources and Gateways, Costa Rica Climate Overview

Start national park walks at opening time and group nights into two or three bases

Both wildlife activity and clear volcano views peak in the early morning hours, while convective clouds and showers build more often in the afternoon.

Grouping a ten-day trip into two or three multi-night bases (for example one inland volcano or cloud-forest base and one coastal base) gives you a second morning if cloud cover hides a viewpoint on day one.

  • Verify online timed-entry tickets and closed weekdays on the official SINAC national park portal before driving to a trailhead.
  • Pack quick-drying layers, closed trail shoes and a dry bag for optics and electronics.
  • Keep the final night within reliable reach of your departure airport rather than relying on a long mountain drive on flight day.

Put the route first

Write down your stops and trip length first. Then use the available local climate comparisons and photo guides for those places. Check missing practical details directly with your accommodation and transport operator.

Guides for your planning

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Sources