Patna Climate by Month
Patna, Bihar, India
Very hot summers and mild winters, with most rain from July to September.
The climate in Patna is one of very hot summers and mild winters, with most rain from July to September. Expect highs of 101°F (38°C) in May and 72°F (22°C) in January, with the coldest nights (January) near 49°F (9°C). It gets 42 in (1066 mm) of rain a year, 72% of it from July to September. February, November and December are almost completely dry.
- Warmest month
- 101°F(38°C)
- Average high, May
- Coldest nights
- 49°F(9°C)
- Average low, January
- Rain per year
- 42 in(1066 mm)
- Wettest: July
- Humidity
- 70%
- Sunniest: May
Best and worst months in Patna
Best for weatherThe most comfortable weather comes in December, with highs around 76°F (24°C) and almost no rain.
Least pleasantJuly and August are the least pleasant; July is the wettest, with 12 in (295 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in December.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Patna weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 72°F(22°C) | 49°F(9°C) | 0.6 in(15 mm) | 78% | 4.2 |
| FebFebruary | 81°F(27°C) | 55°F(13°C) | 0.4 in(9 mm) | 69% | 5.1 |
| MarMarch | 92°F(33°C) | 63°F(17°C) | 0.5 in(12 mm) | 53% | 5.9 |
| AprApril | 100°F(38°C) | 73°F(23°C) | 0.4 in(10 mm) | 49% | 6.8 |
| MayMay | 101°F(38°C) | 78°F(26°C) | 1.4 in(36 mm) | 55% | 6.9 |
| JunJune | 98°F(37°C) | 80°F(27°C) | 5.6 in(143 mm) | 66% | 5.6 |
| JulJuly | 92°F(33°C) | 80°F(27°C) | 12 in(295 mm) | 80% | 5.0 |
| AugAugust | 92°F(33°C) | 80°F(27°C) | 11 in(271 mm) | 81% | 4.8 |
| SepSeptember | 91°F(33°C) | 79°F(26°C) | 8.0 in(204 mm) | 81% | 4.7 |
| OctOctober | 90°F(32°C) | 73°F(23°C) | 2.6 in(65 mm) | 76% | 4.9 |
| NovNovember | 84°F(29°C) | 61°F(16°C) | 0.2 in(4 mm) | 74% | 4.6 |
| DecDecemberBest | 76°F(24°C) | 51°F(11°C) | 0.1 in(2 mm) | 80% | 4.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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