March in Oas averages a daily high of 30.3°C with nights around 23.3°C. Expect roughly 18.7 wet days totalling 297.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Oas is November–March.
Based on LEGASPI, RP (29.2km), 1995–2024. 23 years of March data.