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San Fernando, La Union Weather in May
During May, San Fernando, La Union experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 27°C (81°F). May sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in San Fernando, La Union in May
As part of the rainy season, San Fernando, La Union sees around 11 days of rain in May, with an average of 187 mm (7.4 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in San Fernando, La Union in May
May in San Fernando, La Union sees highs of 31°C (88°F) and lows of 27°C (81°F) overnight. It's usually most comfortable outside during the morning and later in the day. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and February typically offer the best weather for San Fernando, La Union.
San Fernando, La Union Temperature in May
Min Temperature
27°C (81°F)
Max Temperature
31°C (88°F)
Chance of Rain
38%
Precipitation
187 mm (7.4 in)
Rainy days
11 days
San Fernando, La Union Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Fernando, La Union - and find the best time to visit.
Historical weather records for San Fernando, La Union in May
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 May
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in San Fernando, La Union.
- The warmest day in May was on May 25, 2010, with a maximum of 34°C (93°F).
- San Fernando, La Union experienced its chilliest May day on May 13, 2008, reaching only 26°C (79°F).
- The lowest overnight temperature recorded in May was 25°C (77°F) (May 12, 2012).
- The wettest day in May San Fernando, La Union was on May 13, 2006 with 84 mm (3.3 in) of precipitation.
Best Places in Philippines in May
Find out more about the weather in Philippines and which places have the best travel conditions in this month. See all of Philippines in May →
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 Fernando, La Union in May
Warm but pleasant conditions in San Fernando, La Union in May. 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 May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
San Fernando, La Union 3-Day Forecast
More climate data for San Fernando, La Union
See the full San Fernando, La Union climate overview or explore weather in Philippines.
Popular in May
Where to go in May - average daytime high across popular destinations.
Manila
34°C (93°F) Angeles City
34°C (93°F) Davao City31°C (88°F) Cebu City
32°C (90°F) Puerto Princesa31°C (88°F) Boracay30°C (86°F) Mactan31°C (88°F) Panglao City30°C (86°F) Bucket list
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