Patna
Elevation 58 m25.61° N, 85.14° E
When to go?
Mean 16 °C, 1 rain day in the month (12 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 20 °C, 1 rain day in the month (12 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 25 °C, 1 rain day in the month (9 mm).
Against
- Hothighs of 32 °C
Mean 30 °C, 1 rain day in the month (11 mm).
Against
- Extreme heathighs of 38 °C
Mean 32 °C, 2 rain days in the month (34 mm).
Against
- Extreme heathighs of 38 °C
Mean 32 °C, 7 rain days in the month (152 mm).
Against
- Extreme heatnights at 27 °C
Mean 30 °C, 16 rain days in the month (265 mm).
Against
- Hothighs of 34 °C
- Often rainyrain on 5 days in 10
Mean 30 °C, 17 rain days in the month (259 mm).
Against
- Hothighs of 33 °C
- Often rainyrain on 5 days in 10
Mean 29 °C, 10 rain days in the month (209 mm).
Against
- Hothighs of 33 °C
Mean 27 °C, 3 rain days in the month (72 mm).
Against
- Hothighs of 32 °C
Mean 23 °C, it hardly ever rains (2 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 18 °C, it hardly ever rains (6 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
The best months are November–February. Avoid March–October (hot, at times extreme heat and often rainy).
What is the climate like?
Temperature and rain
Monthly min and max temperature (°C)
Monthly min and max temperature (°C)
How much it rains
Rain days and how much water
Rain days and how much water
Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day
Colour = the month's rain: 103060100160250400mm
Daylight hours
Daylight and sky: sunrise, sunset and cloud cover
daylight under a clear sky (average share)daylight under cloud
daylight under a clear sky (average share)daylight under cloud
Times on the 15th of each month, in local time: daylight saving where and when it applies, standard time in the other months.
Effect of climate change
Today's climate (1996–2025) compared with 1961–1990:
In short
Year by year
Temperature of each year
Against 1961–1990 the mean temperature of today (1996–2025) has changed by 0.0 °C; in the last ten years by +0.2 °C. Warmest year: 1958 (+1.1 °C), coldest: 1952 (−1.6 °C).
October and July warmed the most (+0.5 and +0.4 °C), May the least (−0.7 °C). The warm season (above the annual mean of then, 26 °C) begins 1 day later and ends 3 days later.
Warming stripes: after an idea by Ed Hawkins (University of Reading), showyourstripes.info, CC BY 4.0.
Rain of each year (% against 1961–1990)
more rain than in 1961–1990less rain
Rain in a year: −3 % every ten years.