SeasonMapJacó weather in March
Costa Rica
March in Jacó: sweltering, rainy, with clean air — fine if you can take 20 rainy days.
#2 of 12 months in Jacó · #219 of 1383 destinations to visit in March · comfort 88/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Jacó in March
No notes yet. Open Jacó on the map to add the first one.
Jacó climate normals — March
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 36°C / 97°F | |
| Sea temperature | 30°C / 86°F | ♨️ bath-warm |
| Rainfall | 87 mm / 3.4 in | 🌧 rainy |
| Rainy days | 20 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.1 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Jacó in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsSemana Santa, Dry season, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Jacó's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherJacó's weather peaks January–March, best around February.
Best weatherFair weatherToughest weather
What's on in Jacó in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
Semana Santa
29 Mar – 5 AprEaster & Holy WeekCrowdedBook earlyThe Central Valley drives to the coast for Holy Week and Jaco is the nearest beach to San Jose. The road in backs up from Thursday, and the town runs full through to Easter Sunday. Source ↗
- Season
Dry season
15 Dec – 15 Apr · usuallyCrowdedThe rivers drop, the hills behind the town go brown and dusty, and the place runs at capacity from Christmas through to Easter. Weekends are San Jose's as much as anyone's.
Nearby, and something's on
Within 300 km of Jacó — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Jacó?
Jacó in March — FAQ
- Is March a good time to visit Jacó?
- March in Jacó: sweltering, rainy, with clean air — fine if you can take 20 rainy days. It ranks #2 of 12 months for Jacó on SeasonMap's comfort score (88/100).
- What is the weather like in Jacó in March?
- In March, Jacó averages a daily high of 29.6°C and a low of 25.4°C, with about 87.4 mm of rain over roughly 19.7 rainy days.
- What is the air quality in Jacó in March?
- Jacó has a mean US Air Quality Index of about 38 in March.
Other months in Jacó
Compare Jacó in March
Warmer or cooler than Jacó in March
Similar destinations in Central America — March
Within 300 km: Tortuguero's Leatherback nesting around 1 Mar – 31 May, and Boquete's Quetzal nesting season around 1 Feb – 30 Jun.