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San Sebastian Weather in June
Thinking of visiting San Sebastian in June? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 24°C (75°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in San Sebastian in June
Records from the past 30 years suggest around 16 days of rain, with 100 mm (3.9 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in San Sebastian in June
Daytime temperatures in San Sebastian reach 31°C (88°F) in June, dropping to 24°C (75°F) at night. It's usually most comfortable outside during the morning and later in the day. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.June in San Sebastian 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.
San Sebastian Temperature in June
Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Chance of Rain
52%
Precipitation
100 mm (3.9 in)
Rainy days
16 days
San Sebastian Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Sebastian - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in San Sebastian typically stay consistent throughout June, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in June
Historical weather records for San Sebastian in June
Browse day-by-day weather records for San Sebastian spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Sebastian historical weather extremes in June
The extremes listed below come from historical weather data collected in San Sebastian from 1981 through 2026.
- San Sebastian recorded its highest June temperature of 38°C (100°F) on June 27, 2009.
- San Sebastian experienced its chilliest June day on June 19, 1993, reaching only 24°C (75°F).
- The lowest overnight temperature recorded in June was 20°C (68°F) (June 25, 2025).
Best Places in Puerto Rico in June
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in June →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in San Sebastian in June
Warm temperatures in June 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.
What To Do in San Sebastian in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
San Sebastian 3-Day Forecast
More climate data for San Sebastian
See the full San Sebastian climate overview or explore weather in Puerto Rico.
Popular in June
Where to go in June - average daytime high across popular destinations.
San Juan
31°C (88°F) Rio Grande30°C (86°F) Aguada
30°C (86°F) Luquillo30°C (86°F) Culebra29°C (84°F) Rincon30°C (86°F) Vieques29°C (84°F) Fajardo30°C (86°F) Bucket list
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