Climate averages 1991–2020
Katihar weather
in December.
A warm, very dry month: the 11th warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Katihar: daytime highs average 24.3°C and nights cool to about 13.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 5.9 mm of rain on fewer than one day, which makes December a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 35 min on an average December day.
The nearest other city in this atlas is Purnia (28 km away). In December its highs average 24.5°C, about as warm as Katihar, with 5.9 mm of rain.
Among the 692 cities listed in India, Katihar ranks joint 426th of 692 for the warmest December highs and joint 186th of 692 for the driest December (rainfall, lowest first). The mean December high of those 692 cities is 25.6°C; Katihar is 1.3°C cooler than that mean.
From December to January, average highs fall by 1.7°C to 22.6°C, and monthly rainfall rises from 5.9 mm to 15 mm.
The annual picture
December 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
Katihar climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.6°C11.8°C | 11.8°C | 15 | 1.9 | 10.711 h |
| February | 26.1°C14.4°C | 14.4°C | 18 | 2.1 | 11.311 h |
| March | 31.7°C19.0°C | 19.0°C | 19 | 2.4 | 12.012 h |
| April | 34.7°C22.7°C | 22.7°C | 40 | 6.1 | 12.713 h |
| May | 33.7°C24.5°C | 24.5°C | 128 | 13.7 | 13.413 h |
| June | 32.3°C25.7°C | 25.7°C | 275 | 22.5 | 13.714 h |
| July | 31.3°C25.9°C | 25.9°C | 327 | 28.2 | 13.614 h |
| August | 31.4°C25.9°C | 25.9°C | 289 | 27.8 | 13.013 h |
| September | 30.8°C25.1°C | 25.1°C | 254 | 23.5 | 12.312 h |
| October | 29.9°C22.3°C | 22.3°C | 94 | 8.3 | 11.612 h |
| November | 27.7°C17.5°C | 17.5°C | 5.3 | 0.5 | 10.911 h |
| December, selected | 24.3°C13.5°C | 13.5°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
December in nearby cities
- Purnia in DecemberIndia · 28 kmHigh 24.5°C · Low 12.9°C · 5.9 mm rain
- Sāhibganj in DecemberIndia · 33 kmHigh 23.9°C · Low 13.5°C · 5.7 mm rain
- Rāiganj in DecemberIndia · 56 kmHigh 24.5°C · Low 13.2°C · 5.6 mm rain
- Arāria in DecemberIndia · 68 kmHigh 24.5°C · Low 12.6°C · 5.6 mm rain
- Bhāgalpur in DecemberIndia · 68 kmHigh 23.8°C · Low 12.6°C · 6.4 mm rain
- Kishanganj in DecemberIndia · 74 kmHigh 24.7°C · Low 13.3°C · 5.9 mm rain
- Malda in DecemberIndia · 83 kmHigh 24.4°C · Low 13.9°C · 5.6 mm rain
- Dhuliān in DecemberIndia · 103 kmHigh 24.3°C · Low 13.4°C · 6.3 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 Katihar) is explained once on the Katihar year overview and on the Sources, method and limits page.