July in Marilao averages a daily high of 31.7°C with nights around 24.3°C. Expect roughly 22.3 wet days totalling 477mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Marilao is January–February.
Based on SCIENCE GARDEN, RP (15.7km), 1995–2024. 27 years of July data.