San Fernando, La Union Weather in August
August in San Fernando, La Union brings very high temperatures, with highs of 30°C (86°F) and nights dropping to 26°C (79°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in San Fernando, La Union in August
As part of the rainy season, San Fernando, La Union sees around 21 days of rain in August, with an average of 310 mm (12 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in San Fernando, La Union in August
If you're visiting San Fernando, La Union in August, expect highs of 30°C (86°F) and overnight lows around 26°C (79°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 26°C (79°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.August in San Fernando, La Union has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Philippines, check out our San Fernando, La Union's climate page.
San Fernando, La Union Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
70%
Precipitation
310 mm (12 in)
Rainy days
21 days
Historical weather for San Fernando, La Union in August
Browse day-by-day weather records for San Fernando, La Union spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Fernando, La Union historical weather extremes in August
Our historical data for San Fernando, La Union spans 2006 to 2025, revealing these weather extremes.
- The hottest August day on record in San Fernando, La Union reached 32°C (90°F) (August 2, 2025).
- On August 9, 2006, San Fernando, La Union saw its coldest August day with temperatures maxing out at 26°C (79°F).
- Nighttime temperatures dropped to 24°C (75°F) on August 1, 2015, marking the coldest August night on record.
- The heaviest August precipitation occurred on August 9, 2006, when 111 mm (4.4 in) of precipitation fell.
Best Places in Philippines in August
Find out more about the weather in Philippines and which places have the best travel conditions in this month. See all of Philippines in August →
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What to Wear in San Fernando, La Union in August
Warm but pleasant conditions in San Fernando, La Union in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.What To Do in San Fernando, La Union in August
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 Philippines, check out our San Fernando, La Union's climate page.
See the full San Fernando, La Union climate overview or explore weather in Philippines.
