San Mateo Weather in June
In San Mateo, June brings high daytime temperatures around 28°C (82°F), with nights cooling to 22°C (72°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in San Mateo in June
As part of the rainy season, San Mateo sees around 22 days of rain in June, with an average of 502 mm (20 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in San Mateo in June
In June, expect high temperatures in San Mateo, with highs of 28°C (82°F) and lows of 22°C (72°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 22°C (72°F), evenings stay pleasantly warm.
Sunshine in San Mateo in June
The area experiences a moderate amount of sunshine, with approximately 156 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.June in San Mateo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations 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 Mateo's climate page.
San Mateo Temperature in June
Min Temperature
22°C (72°F)
Max Temperature
28°C (82°F)
Chance of Rain
74%
Precipitation
502 mm (20 in)
Rainy days
22 days
Sunshine
156 hours *
Percentage Sunshine
*
Daily Historical Temperatures
42-year average (1976-2025)
Based on our historical records, temperatures in San Mateo typically stay consistent throughout June, with daily highs averaging around 28°C (82°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 Mateo in June
Browse day-by-day weather records for San Mateo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Mateo historical weather extremes in June
Our historical data for San Mateo spans 1996 to 2025, revealing these weather extremes.
- The warmest day in June was on June 14, 1998, with a maximum of 32°C (90°F).
- The coldest June day was on June 27, 2024, with a maximum of 23°C (73°F).
- San Mateo registered its coldest June night on June 10, 2008, with temperatures dropping to 17°C (63°F).
- Peak precipitation in June occurred on June 4, 2013, when 166 mm (6.5 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 →
perfect weather
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tolerable
unpleasant
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What to Wear in San Mateo in June
Warm but pleasant conditions in San Mateo in June. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in San Mateo 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 Mateo's climate page.
See the full San Mateo climate overview or explore weather in Costa Rica.
