Weather in Bettiah, Bihar
Bettiah, India is a growing city in the state of Bihar. Sitting at roughly 26.8°N, it falls in the semi-arid to humid subtropical climate zone.
Climate Overview
Central India's climate hinges on the monsoon: June onset, peak rainfall in July–August and gradual withdrawal in September. Pre-monsoon thunderstorms (Kal Baisakhi) are common in April–May. Bettiah's year splits into three broad phases — summer (March–June), monsoon (July–September) and post-monsoon/winter (October–February). Each has its own character and forecast challenges.
Weather by season in Bettiah
Bettiah's year divides into four broad seasons. The southwest monsoon normally arrives around 23 June. Daytime figures below are typical lowland values for this latitude — hill stations sit markedly cooler.
- Winter (Dec–Feb): days around 26°C, nights around 10°C. Dry and clear, with cold mornings and occasional fog.
- Summer / pre-monsoon (Mar–Jun): days around 42°C, nights around 27°C. Hot, dry and dusty — heatwave conditions are common at the peak.
- Monsoon (Jul–Sep): days around 33°C, nights around 25°C. Frequent rain and high humidity; the wettest part of the year.
- Post-monsoon (Oct–Nov): days around 32°C, nights around 18°C. Skies clear and temperatures ease — comfortable and settled.
Today's Weather in Bettiah
Live conditions in Bettiah — temperature, "feels like" reading, wind, humidity and AQI — are refreshed hourly at the top of this page.
Hourly Forecast
Planning your day in Bettiah? The 24-hour forecast shows temperature changes, precipitation probability and wind conditions for each hour, helping you pick the best time for travel, outdoor work or events in Bihar.
7-Day Weather Forecast for Bettiah
For the week ahead in Bettiah, see daily highs, lows and rain chance in our extended forecast section above.
Air Quality in Bettiah
Air quality in Bettiah is measured using the European Air Quality Index, with PM2.5 and PM10 particulate matter readings displayed alongside the live forecast. Bettiah typically enjoys cleaner air than the major metros, though pre-monsoon dust and winter fog can push AQI into the moderate range.
Quick facts about Bettiah
Bettiah has a population of about 1,32,209; sits at 26.80°N; and is in India; its monsoon typically arrives in mid-June.
Common spellings
The Hindi word for weather, मौसम, is transliterated in many ways: mausam, mosam, mausham, musam, mosum, moshm, mausm. All refer to the same concept — the current weather conditions, today's temperature and the forecast you'll find for Bettiah on this page.
Nearby Cities in Bihar
Explore weather forecasts for other cities in Bihar. See the "More in Bihar" section above, or browse the full list on our states page.