San Sebastian Weather in April
San Sebastian in April sees high daytime temperatures of 29°C (84°F) and nighttime lows of 22°C (72°F). Rainfall is fairly high this month at around 89 mm (3.5 in), so pack a rain jacket to stay dry.
Rainfall in San Sebastian in April
Historically, April sees about 13 days of rain, with a monthly average of 89 mm (3.5 in). 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 April
Weather in San Sebastian is at its perfect in April. Highs reach 29°C (84°F), while nights settle around 22°C (72°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights are mild at around 22°C (72°F), which is comfortable for most people.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April and December typically offer the best weather for San Sebastian.
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 April
Min Temperature
22°C (72°F)
Max Temperature
29°C (84°F)
Chance of Rain
43%
Precipitation
89 mm (3.5 in)
Rainy days
13 days
Daily Historical Temperatures
48-year average (1977-2025)
Based on our historical records, temperatures in San Sebastian typically stay consistent throughout April, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in April
Historical weather for San Sebastian in April
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 April
Based on 47 years of weather observations (1979-2026), these are the most extreme conditions recorded in San Sebastian.
- On April 28, 2008, temperatures climbed to 37°C (99°F), marking the warmest April day on record.
- The lowest daytime temperature in April was 22°C (72°F), recorded on April 11, 1980.
- The coldest night in April in San Sebastian was on April 7, 1979, with a minimum of 16°C (61°F).
Best Places in Puerto Rico in April
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 April →
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What to Wear in San Sebastian in April
Warm but pleasant conditions in San Sebastian in April. 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. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in San Sebastian in April
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.
