Climate averages 1991–2020
Purnia weather
in October.
A hot, wet month: the 8th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Purnia: daytime highs average 29.8°C and nights cool to about 21.8°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 101 mm of rain on roughly 10 days, which makes October a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 34 min on an average October day.
The nearest other city in this atlas is Katihar (28 km away). In October its highs average 29.9°C, about as warm as Purnia, with 94 mm of rain.
Among the 692 cities listed in India, Purnia ranks joint 526th of 692 for the warmest October highs and joint 455th of 692 for the driest October (rainfall, lowest first). The mean October high of those 692 cities is 30.6°C; Purnia is 0.7°C cooler than that mean.
From October to November, average highs fall by 2.0°C to 27.8°C, and monthly rainfall falls from 101 mm to 5.7 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Purnia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.7°C11.3°C | 11.3°C | 12 | 1.9 | 10.711 h |
| February | 26.1°C13.8°C | 13.8°C | 17 | 2.2 | 11.311 h |
| March | 31.8°C18.8°C | 18.8°C | 20 | 3.0 | 12.012 h |
| April | 34.6°C22.6°C | 22.6°C | 50 | 7.4 | 12.813 h |
| May | 33.3°C24.2°C | 24.2°C | 160 | 16.3 | 13.413 h |
| June | 31.9°C25.3°C | 25.3°C | 315 | 23.8 | 13.714 h |
| July | 31.2°C25.7°C | 25.7°C | 375 | 29.1 | 13.614 h |
| August | 31.3°C25.7°C | 25.7°C | 338 | 28.6 | 13.013 h |
| September | 30.6°C24.8°C | 24.8°C | 295 | 24.8 | 12.312 h |
| October, selected | 29.8°C21.8°C | 21.8°C | 101 | 9.6 | 11.612 h |
| November | 27.8°C16.9°C | 16.9°C | 5.7 | 0.6 | 10.911 h |
| December | 24.5°C12.9°C | 12.9°C | 5.9 | 0.7 | 10.611 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Katihar in OctoberIndia · 28 kmHigh 29.9°C · Low 22.3°C · 94 mm rain
- Arāria in OctoberIndia · 41 kmHigh 29.7°C · Low 21.5°C · 100 mm rain
- Kishanganj in OctoberIndia · 60 kmHigh 29.7°C · Low 21.7°C · 104 mm rain
- Sāhibganj in OctoberIndia · 62 kmHigh 29.8°C · Low 22.6°C · 101 mm rain
- Rāiganj in OctoberIndia · 68 kmHigh 29.8°C · Low 22.0°C · 109 mm rain
- Biratnagar in OctoberNepal · 78 kmHigh 29.4°C · Low 21.0°C · 77 mm rain
- Bhāgalpur in OctoberIndia · 78 kmHigh 29.8°C · Low 22.0°C · 75 mm rain
- Saharsa in OctoberIndia · 89 kmHigh 30.0°C · Low 21.8°C · 76 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Purnia) is explained once on the Purnia year overview and on the Sources, method and limits page.