San Sebastián Weather Today

Daily Weather Forecast & Temperature in San Sebastián

light rain
26°
light rain
H: 28° L: 25°
Feels like 26°
AQI: (/5)
Humidity
87%
Dew 24°
Wind speed
2.92 km/h
NE · G5.54
Pressure
1014 hPa
Visibility
10 km
Rain
0.72 mm
High Humidity
Humidity is 87%. May feel uncomfortable.
Weather Summary
Currently in San Sebastián, expect varied conditions with warm temperatures around 26°. Winds are calm winds. High humidity may make it feel uncomfortable.
Precipitation Probability
100%
17
100%
20
73%
23
59%
02
20%
05
14%
08
2%
11
100%
14
100%
17
100%
20
35%
23
45%
02
32%
05
15%
08
0%
11
100%
14
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
26°
Thu
17:00
25°
 
24°
 
23°
 
22°
Fri
05:00
26°
 
29°
 
26°
 
22°
Fri
17:00
21°
 
22°
 
21°
 
20°
Sat
05:00
24°
 
29°
 
25°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:10
Sunset
Sunset
18:44
Moon Phase
New Moon (0%)
Timezone: GMT+05:30
Last updated: Apr 17, 2026 12:45 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
18.336620
Longitude
Longitude
-66.990181
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More about San Sebastián
Content curated by the NearWeather editorial team · Updated periodically

San Sebastian, Puerto Rico: Your Guide to Year-Round Weather and Climate

Situated in the picturesque Caribbean, San Sebastian, Puerto Rico, boasts a tropical rainforest climate that promises warm temperatures and abundant rainfall throughout the year. Understanding the weather patterns and climate of this region is crucial for travelers and residents alike. In this guide, we'll delve into the year-round climate and weather in San Sebastian, Puerto Rico, providing you with detailed and accurate information to help you plan your visit or relocation.

Annual Weather Overview

San Sebastian, Puerto Rico, experiences consistently warm and humid weather throughout the year. The average annual temperature in this region ranges from 75°F to 85°F (24°C to 29°C). The summer months, spanning from June to September, tend to be the hottest, with average temperatures reaching a high of 89°F (32°C). Meanwhile, the winter months, from December to March, are milder, with average temperatures hovering around 75°F (24°C). The year-round warmth attracts visitors seeking an escape from colder climates, making San Sebastian, Puerto Rico, a popular travel destination.

Precipitation and Rainfall

San Sebastian, Puerto Rico, experiences significant rainfall throughout the year, contributing to the lush greenery and vibrant flora of the region. The annual rainfall averages around 70 inches, with the wettest period occurring from May to October. During this time, short but intense rain showers are common, followed by periods of sunshine. The rest of the year sees sporadic showers, with December to February being the driest months.

Hurricane Season

As with many Caribbean destinations, San Sebastian, Puerto Rico, is susceptible to the Atlantic hurricane season, which typically runs from June to November. While the peak of the season is from August to October, it's important for travelers and residents to remain vigilant and stay informed about potential storms and tropical disturbances during these months. Local authorities and weather services provide regular updates and guidance to ensure the safety of all residents and visitors.

Best Time to Visit

Despite the potential for rainfall and the risk of hurricanes during certain months, San Sebastian, Puerto Rico, is a year-round destination. The lush, green landscape and the warm, tropical climate make it an attractive place to visit at any time. However, travelers looking to avoid the peak of the rainy season and the highest temperatures may prefer to visit from December to April, when the weather is typically drier and cooler.

Climate Data for San Sebastian, Puerto Rico

Month Average High (°F) Average Low (°F) Average Rainfall (inches)
January 84 72 3.9
February 84 72 2.6
March 85 73 3.2
April 86 74 5.5
May 87 75 7.0
June 88 76 6.2
July 88 76 5.4
August 88 76 6.1
September 88 76 7.2
October 87 75 6.4
November 86 74 5.5
December 85 73 4.3

Conclusion

San Sebastian, Puerto Rico, offers a tropical rainforest climate with warm temperatures and significant rainfall throughout the year. Visitors can enjoy the lush greenery and vibrant flora, but should be mindful of the potential for heavy rain showers and the risk of hurricanes during the Atlantic hurricane season. By understanding the climate and weather patterns, travelers and residents can make informed decisions about when to visit or how to prepare for the conditions they may encounter.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about San Sebastián
What is the Latitude and Longitude of San Sebastián?

San Sebastián's Latitude is 18.336620 & Longitude is -66.990181.

What is the weather in San Sebastián today?

Weather in San Sebastián is 26° today.

What is the climatic condition of San Sebastián today?

Climate Conditions in San Sebastián shows light rain today.

What is the humidity in San Sebastián today?

Humidity in San Sebastián is 87% today.

What is the wind speed in San Sebastián today?

Wind speed in San Sebastián is 2.92 km/h, flowing at 45° NE wind direction.

What does it feel like in San Sebastián today?

It feels like 26° in San Sebastián today, with 94% cloud cover and 10 km visibility.

Weather in San Sebastián