San Fernando, La Union Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Fernando, La Union.
Climate overview of San Fernando, La Union
San Fernando, La Union, Luzon, Philippines, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 30°C (86°F), peaking in May at 31°C (88°F) and dipping in January to 29°C (84°F).
The city has a wet climate, receiving around 2464 mm (97 in) of rainfall per year. Despite the high annual total, it has a distinct rainy season from May to December. July is the wettest month.
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.
Monthly Temperature in San Fernando, La Union
With minimal seasonal shifts, San Fernando, La Union experiences a constant climate year-round. On average, daytime temperatures range from a very warm 31°C (88°F) in May to a comfortable 29°C (84°F) in January.
Nighttime temperatures range from 27°C (81°F) in May to 26°C (79°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Fernando, La Union
San Fernando, La Union has a notably wet climate with abundant precipitation, recording 2464 mm (97 in) of rainfall per year. The seasons in San Fernando, La Union bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 377 mm (15 in) of precipitation. This rainfall is distributed across 22 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 50 mm (2 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Fernando, La Union Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit San Fernando, La Union
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January and February
- Warmest weather: March, April, May, June, July, August, September, October, November and December
- Fewest rainy days: January, February, March and April
- Wettest months: June, July, August, September, October and November, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from May to December
Frequently asked questions about the climate in San Fernando, La Union
What is the best time to visit San Fernando, La Union?
January and February typically offer the most optimal weather in San Fernando, La Union. In contrast, May, June, July, August, September, October, November and December tend to have less optimal conditions. San Fernando, La Union has a distinct rainy season from May to December.
What temperatures can I expect in San Fernando, La Union?
Daytime highs range from 29°C (84°F) in January to 31°C (88°F) in May. Nighttime lows range from 26°C (79°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does San Fernando, La Union get?
Annual rainfall is around 2464 mm (97 in). July is the wettest month with 377 mm (15 in), while February is the driest with 50 mm (2 in).
San Fernando, La Union 3-Day Forecast
San Fernando, La Union on the map
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