Last updated: August 27, 2025
In San Sebastian, Philippines, the average temperature in April hovers around 27°C (81°F), with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 33°C (92°F). Expect 124 mm (4.9 in) of precipitation spread across 17 days, contributing to an average humidity of 78%. This combination of warmth and moisture creates a vibrant, lush atmosphere perfect for exploring the beauty of the region.
In April in San Sebastian, the average temperature is 27°C (81°F). Maximums can reach 33°C (92°F) and minimums can be as low as 21°C (71°F). This pleasant climate makes San Sebastian an ideal destination for travelers looking to enjoy warm weather and outdoor activities.
In San Sebastian in April, the precipitation amount is 124 mm (4.9 in) over the course of 17 days.
In San Sebastian in April humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.
In San Sebastian in April, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in San Sebastian.
UV Risk Categories
Weather in San Sebastian varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Sebastian, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (79°F) | 176 mm (6.9 inches) | 85% | extreme |
| February Weather | 26°C (79°F) | 116 mm (4.6 inches) | 80% | extreme |
| March Weather | 27°C (80°F) | 86 mm (3.4 inches) | 77% | extreme |
| April Weather | 27°C (81°F) | 124 mm (4.9 inches) | 78% | extreme |
| May Weather | 28°C (83°F) | 121 mm (4.8 inches) | 84% | extreme |
| June Weather | 28°C (82°F) | 261 mm (10.3 inches) | 87% | extreme |
| July Weather | 27°C (81°F) | 316 mm (12.4 inches) | 88% | extreme |
| August Weather | 27°C (82°F) | 260 mm (10.2 inches) | 89% | extreme |
| September Weather | 27°C (81°F) | 251 mm (9.9 inches) | 90% | extreme |
| October Weather | 27°C (81°F) | 263 mm (10.4 inches) | 87% | extreme |
| November Weather | 27°C (81°F) | 185 mm (7.3 inches) | 90% | extreme |
| December Weather | 26°C (80°F) | 296 mm (11.7 inches) | 91% | extreme |