Climat et saisons · Costa RicaClimat et saisons en Costa Rica
Modèles météorologiques, températures saisonnières et meilleures périodes pour les expatriés
À titre informatif uniquement
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Costa Rica, spanning 51,100 km², features a tropical climate with no distinct summer or winter but defined by dry (December-April) and rainy (May-November) seasons. Dominated by tropical rainforest (Af), monsoon (Am), and savanna (Aw) types per Köppen classification, it offers year-round warmth averaging 25-30°C on coasts and lowlands, cooler 15-25°C in highlands. Annual rainfall varies from 1,000-7,000mm, highest on Caribbean slopes. Humidity is high (70-90%), with abundant sunshine (2,000-2,800 hours/year). Microclimates due to elevation and ocean influences create diverse living options for expats, from sunny Pacific beaches to lush Caribbean rainforests, though rainy season brings frequent downpours and potential flooding.
Moyenne estivale
24-31°C
Moyenne hivernale
18-29°C
Types de climat
Tropical Rainforest and Tropical Monsoon and Tropical Savanna
1000-7000 mm
2,000-2,800 hours annually
70-90%
Variations climatiques régionales
Caribbean Coast
The Caribbean lowlands, including Limón and Heredia provinces, host a true tropical rainforest climate (Af) with rainfall year-round, no dry season, and very high precipitation exceeding 5,000mm annually. Temperatures remain stable at 22-31°C daily, with high humidity (80-90%) fostering lush vegetation and biodiversity. Expats enjoy constant warmth but must prepare for frequent heavy rains, fog, and potential hurricanes from the Atlantic. Ideal for nature lovers seeking immersive rainforest living, though infrastructure can be challenging during peak wet periods.
Oppressively humid, perpetually rainy paradise with vibrant wildlife and steady tropical heat, perfect for biodiversity enthusiasts but demanding rain gear year-round.
Pacific Coast
Pacific coastal areas like Guanacaste and Nicoya Peninsula feature tropical savanna (Aw) climate with pronounced dry season (December-April) and moderate rainy season. Rainfall totals 1,000-2,500mm annually, allowing sunny beaches and reliable warmth of 24-32°C. Lower humidity (60-80%) compared to Caribbean makes it popular for expats seeking outdoor lifestyles, surfing, and retirement havens. Dry periods offer clear skies, while rains greening the landscape support agriculture.
Sunny and breezy coastal vibe with refreshing dry spells for beach living, transitioning to lush, shower-interrupted greenery in wet months.
Central Valley
The densely populated Central Valley, including San José at 1,000-1,500m elevation, enjoys a mild tropical monsoon (Am) climate with temperatures 15-26°C year-round. Rainfall is moderate (1,500-3,000mm), concentrated May-November, providing comfortable living without coastal extremes. Moderate humidity (70-85%) and ample sunshine suit urban expats, families, and professionals. Proximity to amenities and volcanoes adds appeal, with cooler evenings ideal for year-round outdoor activities.
Spring-like eternal mildness with crisp highland air, afternoon showers, and urban convenience for comfortable expat settlement.
Central Highlands
Higher elevations in Cordillera Central and Talamanca mountains (2,000-3,800m) shift to cooler subtropical highland climates with temperatures 5-20°C, resembling moderate oceanic conditions. Rainfall varies 2,000-4,000mm, often misty and foggy. Areas like Monteverde offer cloud forest microclimates appealing to eco-tourists and retirees seeking respite from lowland heat. Chilly nights require layers, but stunning biodiversity and fresh air compensate.
Cool, misty mountain retreat with sweater-weather days, enveloping fog, and invigorating freshness amid cloud-shrouded peaks.
Costa Rica's tropical climates range from steamy Caribbean rainforests to sunny Pacific savannas, mild Central Valley springs, and cool highlands, offering expats tailored microclimates for every lifestyle. Year-round warmth (15-32°C) and high rainfall define the experience, with dry seasons enabling beach and outdoor pursuits. Diverse options appeal to retirees, families, and adventurers, though adapting to wet seasons and humidity is key for comfortable residency.
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