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San Sebastian Weather in July
Thinking of visiting San Sebastian in July? Expect very high temperatures reaching 32°C (90°F) during the day, dropping to 25°C (77°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in San Sebastian in July
Expect around 18 days of rain based on historical data, with 90 mm (3.5 in) average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in San Sebastian in July
Daytime highs in San Sebastian in July reach 32°C (90°F), with nights around 25°C (77°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.If you prefer dry days with pleasant temperatures, January, February, March, April and December 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.
San Sebastian Temperature in July
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
60%
Precipitation
90 mm (3.5 in)
Rainy days
18 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
48-year average (1976-2025)
Based on our historical records, temperatures in San Sebastian typically stay consistent throughout July, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in July
Historical weather records for San Sebastian in July
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 July
According to our 29 years of weather records for San Sebastian, the following extremes were recorded between 1997 and 2026.
- The hottest July day on record in San Sebastian reached 39°C (102°F) (July 21, 2021).
- The lowest daytime temperature in July was 26°C (79°F), recorded on July 12, 2015.
- Nighttime temperatures dropped to 20°C (68°F) on July 13, 2025, marking the coldest July night on record.
Best Places in Puerto Rico in July
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 July →
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 July
Warm temperatures in July 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 July
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 July
Where to go in July - average daytime high across popular destinations.
San Juan
31°C (88°F) Rio Grande
30°C (86°F) Aguada
30°C (86°F) Rincon30°C (86°F) Luquillo30°C (86°F) Culebra29°C (84°F) Vieques29°C (84°F) Fajardo30°C (86°F) Bucket list
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