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Bettiah Weather by Month
Average temperatures, rainfall and humidity for Bettiah, India, month by month, built from OpenWeather’s historical records. Use it to see what a typical Bettiah month looks like before you travel — then check the live Bettiah forecast for the days ahead.
Warmest month
May
39°C average high
Coolest month
January
10°C average low
Wettest month
August
188 mm of rain
Driest month
April
24 mm of rain
Average temperature and rainfall in Bettiah by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 23°C | 10°C | 2°C / 30°C | 50 mm | 65% | 8 km/h |
| February | 26°C | 12°C | 5°C / 34°C | 26 mm | 55% | 9 km/h |
| March | 33°C | 17°C | 6°C / 40°C | 34 mm | 37% | 11 km/h |
| April | 38°C | 22°C | 15°C / 44°C | 24 mm | 32% | 13 km/h |
| May | 39°C | 26°C | 8°C / 47°C | 54 mm | 44% | 14 km/h |
| June | 38°C | 27°C | 22°C / 47°C | 128 mm | 59% | 14 km/h |
| July | 34°C | 27°C | 23°C / 42°C | 186 mm | 73% | 14 km/h |
| August | 33°C | 26°C | 23°C / 40°C | 188 mm | 78% | 12 km/h |
| September | 33°C | 25°C | 19°C / 38°C | 145 mm | 78% | 10 km/h |
| October | 32°C | 21°C | 13°C / 39°C | 59 mm | 65% | 8 km/h |
| November | 29°C | 16°C | 6°C / 35°C | 36 mm | 54% | 7 km/h |
| December | 24°C | 12°C | 3°C / 30°C | 50 mm | 59% | 7 km/h |
Best time to visit Bettiah
The most comfortable time to visit Bettiah is generally December to February, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around August, totalling about 980 mm a year.
Travellers who prefer heat should aim for May, when highs average 39°C. August is the month to avoid if rain would spoil your plans — it averages 188 mm, roughly 8× the rainfall of the driest month (April).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Bettiah forecast for what is happening now.