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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.
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
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 (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 records 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 →
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 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.
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Cycling8/10 -
Walking8/10 -
Camping8/10 -
Outdoor sports8/10
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 March
Where to go in March - average daytime high across popular destinations.
San Juan
29°C (84°F) Rio Grande28°C (82°F) Luquillo28°C (82°F) Fajardo27°C (81°F) Aguada
28°C (82°F) Rincon28°C (82°F) Culebra27°C (81°F) Vieques27°C (81°F) Bucket list
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