Vilhena weather
Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Vilhena, Rondônia, Brazil.
Best Time to Visit
Peak season May–SepOff season Nov–Mar
Vilhena weather by month
When is the best time to visit Vilhena?
Based on weather alone, the best time to visit Vilhena is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 27°C (80°F) in May to 31°C (88°F) in September.
What is the rainiest month in Vilhena?
January is the wettest month, with about 307 mm (12.1 in) of rain on average. July is the driest, with about 9 mm (0.4 in).
What is the hottest month in Vilhena?
September is the warmest, with average highs of 31°C (88°F) and lows of 21°C (70°F). May is the coolest, with highs of 27°C (80°F) and lows of 19°C (67°F).
Does Vilhena have a rainy season?
Yes. Oct–Mar is the rainy season (150 mm or more a month), while May–Aug is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months