Patna, Bihar, India climate
Average temperatures, precipitation and all-time records for Patna, Bihar, India, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is May, averaging a high of 39°C, and its coldest is January, with an average low of 10°C.
Patna, historically known as Pāṭaliputra, is the capital and largest city of the Indian state of Bihar. According to the United Nations, as of 2018, Patna had a population of 2.35 million, making it the 19th largest city in India. via Wikipedia
How today compares
Latest recorded day: 2026-07-24. Each reading placed on Patna, Bihar, India's own ±7-day seasonal distribution.
Patna average temperatures by month
Typical daily high and low, and average precipitation, for each month in Patna, Bihar, India, based on 1980–2026 records. The wettest month is July (10 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 22°C | 10°C | 0 mm |
| February | 27°C | 14°C | 0 mm |
| March | 33°C | 18°C | 0 mm |
| April | 38°C | 24°C | 0 mm |
| May | 39°C | 27°C | 0 mm |
| June | 37°C | 28°C | 5 mm |
| July | 33°C | 27°C | 10 mm |
| August | 33°C | 27°C | 10 mm |
| September | 32°C | 26°C | 8 mm |
| October | 32°C | 23°C | 3 mm |
| November | 29°C | 17°C | 0 mm |
| December | 25°C | 12°C | 0 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 47°C on 2026-06-09
- Coldest day on record: 3°C on 2013-01-08
Percentiles compare each day to Patna, Bihar, India's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →