La Union weather in January
January in La Union: warm, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in La Union · #185 of 897 destinations to visit in January · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on La Union in January
No notes yet. Open La Union on the map to add the first one.
La Union climate normals — January
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Rainfall | 74 mm / 2.9 in | 🌦 some rain |
| Rainy days | 14 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 11.3 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is La Union?
Loading map…
La Union in January — FAQ
- Is January a good time to visit La Union?
- January in La Union: warm, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for La Union on SeasonMap's comfort score (85/100).
- What is the weather like in La Union in January?
- In January, La Union averages a daily high of 27°C and a low of 23.3°C, with about 73.9 mm of rain over roughly 14.4 rainy days.
- What is the air quality in La Union in January?
- La Union has a mean US Air Quality Index of about 31 in January.