Guajará Mirim weather
Best months for weather: May–Jul. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Guajará Mirim, Rondônia, Brazil.
Best Time to Visit
Peak season May–JulOff season Oct–Mar
Guajará Mirim weather by month
When is the best time to visit Guajará Mirim?
Based on weather alone, the best time to visit Guajará Mirim is May–Jul, according to NASA's 2001–2025 climate averages. Oct–Mar tends to be the least pleasant. Average highs run from 28°C (82°F) in May to 36°C (96°F) in September.
What is the rainiest month in Guajará Mirim?
February is the wettest month, with about 260 mm (10.2 in) of rain on average. July is the driest, with about 16 mm (0.6 in).
What is the hottest month in Guajará Mirim?
September is the warmest, with average highs of 36°C (96°F) and lows of 23°C (74°F). May is the coolest, with highs of 28°C (82°F) and lows of 21°C (70°F).
Does Guajará Mirim have a rainy season?
Yes. Nov–Mar is the rainy season (150 mm or more a month), while Jun–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