San Sebastián weather
At 3:00 PM local time it was mostly clear and 30°C (85°F). Light rain for 3 of the next 24 hours (under 1 mm/h, 0.6 mm total) — cloudy, but fine to be out. Best months for weather: Nov–Apr. San Sebastián sits 312 m (1,024 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for San Sebastián, Retalhuleu, Guatemala.
Current conditions
- Clouds
- 26%
- Chance of rain
- 78%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 3 of the next 24 hours (under 1 mm/h, 0.6 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Nov–AprOff season May–Oct
About San Sebastián weather
Is it raining in San Sebastián right now?
No. It’s mostly clear and 30° right now. Light rain for 3 of the next 24 hours (under 1 mm/h, 0.6 mm total) — cloudy, but fine to be out.
What’s the weather like in San Sebastián this week?
Over the next 7 days, expect highs of 29–31° and lows of 20–22°. Rain is likely on 6 of 7 days (Saturday, Monday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Sunday.
Has it been raining in San Sebastián lately?
In the past 7 days, San Sebastián had 3 rainy days and 19.0 mm of rain in total.
What should I pack for San Sebastián?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
San Sebastián weather by month
When is the best time to visit San Sebastián?
Based on weather alone, the best time to visit San Sebastián is Nov–Apr, according to NASA's 2001–2025 climate averages. May–Oct tends to be the least pleasant. Average highs run from 28°C (82°F) in October to 31°C (88°F) in April.
What is the rainiest month in San Sebastián?
September is the wettest month, with about 377 mm (14.8 in) of rain on average. February is the driest, with about 6 mm (0.2 in).
What is the hottest month in San Sebastián?
April is the warmest, with average highs of 31°C (88°F) and lows of 23°C (74°F). October is the coolest, with highs of 28°C (82°F) and lows of 23°C (73°F).
Does San Sebastián have a rainy season?
Yes. May–Oct is the rainy season (150 mm or more a month), while Dec–Mar is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months