Beau Fixe
Manuel Antonio

Manuel Antonio weather in March

Ideal — one of the best times of year

Afternoon
30.2 °C
Night
24.5 °C
Sea temperature
30 °C
Rainy days
11 days
Relative humidity
74 %

100% of days reached 25 °C over the last 10 years

Map

📷 Costa Rica Drone Tours · Pexels

Month by month

MonthAfternoonSeaRainVerdict
January28.4 °C29.3 °C11 daysIdeal — one of the best times of year
February29.6 °C29.6 °C8 daysIdeal — one of the best times of year
March30.2 °C30 °C11 daysIdeal — one of the best times of year
April29.3 °C30 °C20 daysUnfavourable season
May28.3 °C29.7 °C28 daysUnfavourable season
June27.7 °C29.2 °C28 daysUnfavourable season
July27.4 °C29.2 °C27 daysUnfavourable season
August27.5 °C29.2 °C27 daysUnfavourable season
September27.6 °C29.2 °C28 daysUnfavourable season
October27.1 °C28.6 °C29 daysUnfavourable season
November26.8 °C28.2 °C27 daysUnfavourable season
December27.4 °C28.8 °C17 daysPossible, with trade-offs

Nearby in March

All destinations — Costa Rica, month by month →

Before you go

Three things to check once you have picked your dates.

Entry

For a passport:

No visa needed for stays of up to 180 days. Passport valid until your return date. Stay granted is at the immigration officer's discretion; overstay fine 100 US dollars a month; departure tax 29 US dollars, usually in the ticket.

For a British passport, per the UK Foreign Office on 19 May 2026. Rules change: check before booking.

Official entry requirements ↗

Safety

No specific restrictions

Usual precautions apply.

Official advice updated 19 May 2026

UK Foreign Office ↗

Health

CDC level 2 notice: Chikungunya

Vaccines · hepatitis A and hepatitis B if you are not already vaccinated; chikungunya depending on activities and areas visited. Routine vaccines up to date (measles in particular).

Yellow fever · No yellow fever locally, vaccine not recommended. No entry requirement.

Malaria · Present. Areas: Present in the provinces of Alajuela and Limón Rare to no transmission in other parts of the country. Preventive medication recommended: Alajuela and Limón Provinces: Atovaquone-proguanil, chloroquine, doxycycline, mefloquine, tafenoquine All other areas: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only) — prescribed before departure.

Mosquitoes · dengue and Zika reported: protect yourself from bites.

Per the CDC (page reviewed 3 September 2026); see a travel clinic a few weeks before departure.

CDC Travelers' Health ↗

Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.

FAQ

Can you swim in Manuel Antonio in March?

The sea averages 30°C in March — yes, pleasant swimming.

How hot is Manuel Antonio in March?

Expect 30.2°C in the afternoon and 24.5°C at night, averaged over the last 10 years.

Does it rain a lot in Manuel Antonio in March?

Around 11 days with rain (≥ 1 mm) in the month — 34% of days.

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