San Sebastian Weather in March
In San Sebastian, March brings high daytime temperatures around 29°C (84°F), with nights cooling to 22°C (72°F). Some rainfall is to be expected.
Rainfall in San Sebastian in March
Historically, March sees about 14 days of rain, with a monthly average of 55 mm (2.2 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 March
March is one of the better months to visit San Sebastian. Expect 29°C (84°F) during the day and 22°C (72°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights are mild at around 22°C (72°F), which is comfortable for most people.If you're a fan of comfortable temperatures and drier conditions, March is a great time to visit.
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 March
Min Temperature
22°C (72°F)
Max Temperature
29°C (84°F)
Chance of Rain
47%
Precipitation
55 mm (2.2 in)
Rainy days
14 days
Daily Historical Temperatures
49-year average (1977-2025)
Based on our historical records, temperatures in San Sebastian typically stay consistent throughout March, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in March
Historical weather for San Sebastian in March
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 March
Based on 49 years of weather observations in San Sebastian between 1977 and 2026, these are the recorded extremes.
- On March 18, 2010, temperatures climbed to 36°C (97°F), marking the warmest March day on record.
- The lowest daytime temperature in March was 21°C (70°F), recorded on March 4, 1981.
- The coldest night in March in San Sebastian was on March 12, 2008, with a minimum of 15°C (59°F).
Best Places in Puerto Rico in March
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 March →
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What to Wear in San Sebastian in March
Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket.What To Do in San Sebastian in March
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.
