Nosara Weather & Climate Guide: Month-by-Month Breakdown (2026)

The most common mistake visitors make when researching Costa Rica weather is treating the whole country as one climate. It isn't. The Pacific coast and the Caribbean coast are different worlds. The highlands and the lowlands operate on different schedules. And even within the Pacific coast, Nosara has its own rhythm, shaped by its position on the Nicoya Peninsula, its proximity to the ocean, and the dry tropical forest that surrounds it.

This guide is specifically about Nosara's weather. Not Costa Rica in general. Nosara specifically. What the temperature feels like. When the rains come and how long they last. Which months are best for surfing, for wildlife, for avoiding crowds. Plus the honest version of what the "rainy season" actually means on the ground (spoiler: it's not what most people imagine).

The Two Seasons: An Overview ☀️🌧️

Nosara runs on two seasons: the dry season (locally called verano, or summer, roughly December through April) and the rainy season (called invierno, or winter, roughly May through November). This feels backwards if you're from the Northern Hemisphere, which is why it confuses people.

The dry season delivers consistent sunshine, low humidity, and blue skies almost every day. It's peak tourist season for a reason: the weather is predictably beautiful and the roads are at their most manageable.

The rainy season in Nosara does not mean grey skies and misery. It means afternoon showers, often theatrical, intense, and over within 90 minutes, following mornings that are frequently clear and perfect. The landscape turns electric green. The waterfalls run. The surf improves significantly. And the crowds thin out, the prices drop, and you get to experience Nosara as something closer to what year-round residents love about it.

With that context, here's the month-by-month breakdown.

🌤️ Weather: Sunny and dry. Trade winds begin building, which means afternoons can be breezy and choppy at the beach. 🌡️ Temperature: 28, 33°C (82, 91°F) highs, 20, 22°C (68, 72°F) at night. Low humidity. 🏄 Surf: Variable. The winds create chop on many days; morning sessions before 9am are significantly better. Occasional solid groundswells from the northwest. 🐢 Wildlife: Good for birdwatching and monkey spotting. Dry season means animals concentrate around water sources. 👥 Crowds: High season peak, busy, especially around Christmas/New Year's carryover. Book accommodation well in advance. ✅ Best for: First-time visitors, families, dry-season beach holidays.

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