March in Phitsanulok averages a daily high of 35.8°C with nights around 23°C. Expect roughly 3 wet days totalling 23.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Phitsanulok is December–January.
Based on PHITSANULOK SARIT, TH (1.2km), 1995–2024. 19 years of March data.