Arrah weather
Best months for weather: Oct–Mar. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Arrah, Bihar, India.
Best Time to Visit
Peak season Oct–MarOff season May–Aug
Arrah weather by month
When is the best time to visit Arrah?
Based on weather alone, the best time to visit Arrah is Oct–Mar, according to NASA's 2001–2025 climate averages. May–Aug tends to be the least pleasant. Average highs run from 23°C (74°F) in January to 42°C (108°F) in May.
What is the rainiest month in Arrah?
July is the wettest month, with about 273 mm (10.7 in) of rain on average. November is the driest, with about 2 mm (0.1 in).
What is the hottest month in Arrah?
May is the warmest, with average highs of 42°C (108°F) and lows of 28°C (82°F). January is the coolest, with highs of 23°C (74°F) and lows of 8°C (47°F).
Does Arrah have a rainy season?
Yes. Jul–Sep is the rainy season (150 mm or more a month), while Oct–May 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