San José Weather in June
June in San José brings high temperatures around 25°C (77°F) during the day, dropping to 17°C (63°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in San José in June
As part of the rainy season, San José sees around 24 days of rain in June, with an average of 455 mm (18 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in San José in June
June in San José brings typical temperatures with highs around 25°C (77°F) and lows of 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in San José in June
The area enjoys a moderate level of sunlight, with around 145 hours. It's a good balance between sunny and rainy days.June in San José can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 June
Daily Historical Temperatures
42-year average (1976-2025)
Based on our historical records, temperatures in San José typically stay consistent throughout June, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in June
Daily Historical Precipitation
42-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for San José in June
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 June
Our historical data for San José spans 1996 to 2025, revealing these weather extremes.
- The warmest day in June was on June 23, 2004, with a maximum of 31°C (88°F).
- The lowest daytime temperature in June was 22°C (72°F), recorded on June 3, 2000.
- San José registered its coldest June night on June 5, 2013, with temperatures dropping to 10°C (50°F).
- Peak precipitation in June occurred on June 27, 2000, when 152 mm (6 in) of precipitation was measured.
Best Places in Costa Rica in June
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 June →
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What to Wear in San José in June
Comfortable temperatures call for an easy wardrobe in June. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in San José in June
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.