How warm is Costa Rica's Caribbean coast in April?

Typical highs are about 84°F and the sea is about 85°F. That is warm enough for long swims without a wetsuit.

Is there sargassum in Costa Rica's Caribbean coast in April?

In a typical year seaweed is high in April. It is usually lightest in January and July and heaviest in September and October. Landings vary a lot by year, wind and currents; Veabird's weekly sargassum report and each beach's page have the current forecast.

Is April hurricane season in Costa Rica's Caribbean coast?

No. Storm risk is very low in April.

How crowded is Costa Rica's Caribbean coast in April?

Typically busy. The quietest months are usually September and October.

Costa Rica's Caribbean coast in April

April is a middling month for Costa Rica's Caribbean coast: a typical day grades C+, the 8th best of the 12 months. Expect highs near 84°F, water around 85°F and about a 73% chance of rain on a given day. Sargassum (seaweed) is usually high in April. Beaches are typically busy.

Typical dayC+8th of 12 months

Highs / water84°FSea 85°F

Rain chance73%on a given day

SeaweedHightypical year

CrowdsBusyno big holidays

Storm riskVery lowoutside storm season

Costa Rica's Caribbean coast month by month

Typical grade and high for each month. Higher is better: A+ to F.

March: B- · April: C+ · May: C+. The best months are usually January, February and March, and the weakest are August and September.

Best beaches in Costa Rica's Caribbean coast in April

Resorts with the best typical April, and their grades for the next few days.

Beach	Typical Apr	Seaweed	This week
Hotel Playa Bonita	B	Low	SatB+SunC+MonC+TueB-WedC+
Hotel Palace	B	Low	SatB+SunB-MonC+TueB-WedB-
Hotel Playa Westfalia	B	Low	SatB+SunBMonC+TueC+WedC+
Goddess Garden Resort	B	Low	SatB+SunBMonC+TueC+WedC+
Casa Grande Eco Lodge at Pacuare Reserve	B	Low	SatB+SunC+MonC+TueC+WedC+
Villas del Caribe Beach	B-	Moderate	SatCSunC+MonCTueC-WedC
Coco Loco Lodge	B-	Moderate	SatBSunBMonC-TueC+WedC
Tortuguero Lodges (Pachira, Mawamba)	B-	High	SatCSunD+MonC+TueC-WedC-

Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.

Better beach options in April

Elsewhere in Central & South America, Belize (A-), Panama's Pacific beaches (B+) and San Andrés (B+) usually grade higher in April. Further afield: Puerto Vallarta (A), Huatulco (A) and Maui (A). Every destination in April.

Questions

Is April a good time to visit Costa Rica's Caribbean coast?: April is a middling month for Costa Rica's Caribbean coast: a typical day grades C+, the 8th best of the 12 months. Expect highs near 84°F, water around 85°F and about a 73% chance of rain on a given day. Sargassum (seaweed) is usually high in April. Beaches are typically busy.
How warm is Costa Rica's Caribbean coast in April?: Typical highs are about 84°F and the sea is about 85°F. That is warm enough for long swims without a wetsuit.
Is there sargassum in Costa Rica's Caribbean coast in April?: In a typical year seaweed is high in April. It is usually lightest in January and July and heaviest in September and October. Landings vary a lot by year, wind and currents; Veabird's weekly sargassum report and each beach's page have the current forecast.
Is April hurricane season in Costa Rica's Caribbean coast?: No. Storm risk is very low in April.
How crowded is Costa Rica's Caribbean coast in April?: Typically busy. The quietest months are usually September and October.

Plan it

Typical-month numbers from Veabird's year-ahead outlook for the 41 resorts here (median resort): 6 years of ERA5 climate normals, the seasonal pattern of the Atlantic sargassum belt, holiday crowd calendars and historical storm tracks. Any given year can differ; check the 16-day forecast before you go.