San José Weather in April
April in San José brings high temperatures, with daytime highs of 26°C (79°F) and nights around 16°C (61°F). Quite a bit of rainfall is expected, around 123 mm (4.8 in), so pack an umbrella.
Rainfall in San José in April
Climate statistics over the past 30 years suggest around 11 days of rain, with 123 mm (4.8 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in San José in April
Daytime temperatures in San José reach 26°C (79°F) in April, dropping to 16°C (61°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in San José in April
Enjoy a sunny month with about 241 hours of sunshine, the clear skies make San José even more beautiful.If you prefer enjoying temperate temperatures and rain-free days, January, February and March typically offer 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our San José's climate page.
San José Temperature in April
Min Temperature
16°C (61°F)
Max Temperature
26°C (79°F)
Chance of Rain
35%
Precipitation
123 mm (4.8 in)
Rainy days
11 days
Humidity
70%
Sunshine
241 hours
Percentage Sunshine
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in San José typically stay consistent throughout April, with daily highs averaging around 26°C (79°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in April
Daily Historical Precipitation
44-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for San José in April
Browse day-by-day weather records for San José spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San José historical weather extremes in April
According to our 31 years of weather records for San José, the following extremes were recorded between 1995 and 2026.
- The warmest day in April was on April 5, 1998, with a maximum of 35°C (95°F).
- San José experienced its chilliest April day on April 29, 1995, reaching only 22°C (72°F).
- The lowest overnight temperature recorded in April was 14°C (57°F) (April 15, 2006).
Best Places in Costa Rica in April
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in April →
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unpleasant
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What to Wear in San José in April
Warm temperatures in April make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San José in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our San José's climate page.
Temperature Rainfall Sunshine Humidity
See the full San José climate overview or explore weather in Costa Rica.
