Climate averages 1991–2020
Purnia weather
in May.
A hot, wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Purnia: daytime highs average 33.3°C and nights cool to about 24.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 160 mm of rain on roughly 16 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 23 min on an average May day.
The nearest other city in this atlas is Katihar (28 km away). In May its highs average 33.7°C, about as warm as Purnia, with 128 mm of rain.
Among the 692 cities listed in India, Purnia ranks joint 604th of 692 for the warmest May highs and 639th of 692 for the driest May (rainfall, lowest first). The mean May high of those 692 cities is 37.3°C; Purnia is 4.0°C cooler than that mean.
From May to June, average highs fall by 1.4°C to 31.9°C, and monthly rainfall rises from 160 mm to 315 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Katihar in MayIndia · 28 kmHigh 33.7°C · Low 24.5°C · 128 mm rain
- Arāria in MayIndia · 41 kmHigh 32.7°C · Low 24.0°C · 208 mm rain
- Kishanganj in MayIndia · 60 kmHigh 31.8°C · Low 23.7°C · 215 mm rain
- Sāhibganj in MayIndia · 62 kmHigh 34.1°C · Low 25.0°C · 143 mm rain
- Rāiganj in MayIndia · 68 kmHigh 32.6°C · Low 24.0°C · 176 mm rain
- Biratnagar in MayNepal · 78 kmHigh 32.8°C · Low 24.2°C · 118 mm rain
- Bhāgalpur in MayIndia · 78 kmHigh 35.5°C · Low 25.2°C · 86 mm rain
- Saharsa in MayIndia · 89 kmHigh 35.2°C · Low 24.9°C · 82 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.