San Isidro Weather in April

In San Isidro, April brings high daytime temperatures around 25°C (77°F), with nights cooling to 17°C (63°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in San Isidro in April

San Isidro is in the rainy season in April, with rain on around 11 days and an average of 239 mm (9.4 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.

Temperature in San Isidro in April

April in San Isidro sees highs of 25°C (77°F) and lows of 17°C (63°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in San Isidro in April

Expect a lot of sunshine this month, with about 240 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

For San Isidro itself, January, February and March generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Costa Rica, check out our San Isidro's climate page.

San Isidro Temperature in April

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 35%  

Precipitation 239 mm (9.4 in)  

Rainy days 11 days  

Humidity 79% *  

Sunshine 240 hours *  

Percentage Sunshine *  

* Data from: Quepos, Costa Rica (50 KM, 31 Miles).

What to Wear in San Isidro in April

Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in San Isidro in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Costa Rica, check out our San Isidro's climate page.

More climate data for San Isidro

Temperature Rainfall Sunshine Humidity

See the full San Isidro climate overview or explore weather in Costa Rica.