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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our San Sebastian's climate page.
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
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 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 28 years of weather records for San Sebastian, the following extremes were recorded between 1997 and 2025.
- 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
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tolerable
unpleasant
poor
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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our San Sebastian's climate page.
See the full San Sebastian climate overview or explore weather in Puerto Rico.
