Bihar weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Bihar, India. Like most weather services, we show Bihar at one spot: Patna, its largest city. At 3:00 AM local time it was clear and 22°C (71°F). Little to no rain in the next 24 hours. Best months for weather: Oct–Mar.
Current conditions
- Clouds
- 0%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season Oct–MarOff season May–Aug
About Patna weather
Is it raining in Patna right now?
No. It’s clear and 22° right now. Little to no rain in the next 24 hours.
What’s the weather like in Patna this week?
Over the next 7 days, expect highs of 28–29° and lows of 18–21°. Little rain is expected. The driest day looks like Tuesday.
Has it been raining in Patna lately?
In the past 7 days, Patna had 3 rainy days and 44.5 mm of rain in total.
What should I pack for Patna?
For the coming week, bring light, breathable clothes and sunscreen.
Bihar weather by month
When is the best time to visit Bihar?
Based on weather alone, the best time to visit Bihar 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 Bihar?
July is the wettest month, with about 276 mm (10.9 in) of rain on average. November is the driest, with about 2 mm (0.1 in).
What is the hottest month in Bihar?
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 (46°F).
Does Bihar have a rainy season?
Yes. Jun–Sep is the rainy season (150 mm or more a month), while Oct–May is usually dry (under 60 mm).
Bihar weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Patna), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Bihar
Weather can differ a lot within Bihar: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Patna | Oct–Mar | Jun–Sep | 23–42°C | 996 mm |
| Gaya | Oct–Mar | Jun–Sep | 23–42°C | 1,013 mm |
| Bhāgalpur | Oct–Feb | Jun–Sep | 24–40°C | 1,122 mm |
| Muzaffarpur | Oct–Mar | Jun–Sep | 23–41°C | 1,060 mm |
| Bihār Sharīf | Oct–Mar | Jun–Sep | 23–42°C | 1,014 mm |
| Darbhanga | Oct–Mar | Jun–Sep | 23–41°C | 1,060 mm |
| Purnia | Oct–Mar | Jun–Sep | 23–38°C | 1,348 mm |
| Arrah | Oct–Mar | Jul–Sep | 23–42°C | 968 mm |
| Begusarai | Oct–Mar | Jun–Sep | 23–41°C | 1,027 mm |
| Katihar | Oct–Mar | Jun–Sep | 23–39°C | 1,230 mm |
| Munger | Oct–Mar | Jun–Sep | 23–41°C | 1,027 mm |
| Chāpra | Oct–Mar | Jun–Sep | 23–41°C | 1,041 mm |
Cities and towns in Bihar
- Patna
- Gaya
- Bhāgalpur
- Muzaffarpur
- Bihār Sharīf
- Darbhanga
- Purnia
- Arrah
- Begusarai
- Katihar
- Munger
- Chāpra
- Dinapur Nizamat
- Saharsa
- Dinapore
- Hājīpur
- Sasarām
- Madhurampur Dehri
- Siwān
- Bettiah
- Mothīhāri
- Bagaha
- Kishanganj
- Jamālpur
- Jahānābād
- Buxar
- Aurangābād
- Luckeesarai
- Nawāda
- Bagaha
- Jamūī
- Bāruni
- Phulwari Sharif
- Arāria
- Madhubani
- Benipur
- Barauni
- Bihāt
- Samāstipur
- Sītāmarhi
- Gopālganj
- Supaul
- Sheikhpura
- Bārh
- Mokameh
- Bangaon
- Masaurhi Buzurg
- Teghra
- Raxaul
- Madhepura
- Dumraon
- Sultānganj
- Daudnagar
- Arwal
- Khagaul
- Hilsa
- Fatwa
- Forbesganj
- Bhabhua
- Khagaria
- Narkatiāganj
- Naugachhia
- Bikramganj
- Rāmnagar
- Mahnar Bazar
- Bakhtiarpur
- Ballia
- Bihtā
- Barbigha
- Bānka
- Barhiya
- Bairāgnia
- Dhāka
- Barauli
- Bar Bigha
- Rājgīr
- Sherghāti
- Jhajha
- Maner
- Bakhri
- Jogbani
- Revelganj
- Sagauli
- Bodh Gaya
- Shahbazpur
- Sonepur
- Gogri Jamālpur
- Lālganj
- Bahādurganj
- Islāmpur
- Rafiganj
- Wāris Alīganj
- Bakhtiyārpur
- Piro
- Colgong
- Chand Chaur
- Bihārīganj
- Dighwāra
- Hisua
- Jagdīspur
- Makhdumpur
- Kharagpur
- Jhanjhārpur
- Rosera
- Purāini
- Kasba
- Banmankhi Bazar
- Rajauli
- Marhaura
- Pakridayal
- Rusera
- Dinapur Cantonment
- Murlīganj
- Motipur
- Sheohar
- Nokha
- Chanpatia
- Bhawanipur
- Banmankhi
- Bela
- Manihāri
- Mirganj
- Areraj
- Mehsi
- Silao
- Koelwār
- Amarpur
- Kantai
- Naubatpur
- Mahārājgani
- Nabīnagar
- Dalsingh Sarai
- Nāsriganj
- Mairwa
- Chhātāpur
- Sāhibganj
- Bikram
- Jainagar
- Tekāri
- Bhadauni
- Chākia
- Belsand
- Hardi
- Kataiya
- Nirmāli
- Bīrpur
- Kesariyā
- Koāth
- Thākurganj
- Ghogardīha
- Shāhpur
- Chaita
- Madhuban
- Nohsa
- Dumra
- Khusropur
- Bina
- Pupri