Katihar climate

Katihar is warmest in April, with average highs of 35 °C, and coldest in January, when nights average 11 °C. July is the wettest month (336 mm) and November the driest (5.3 mm). Figures are 1991–2020 climate normals.

Across a full year Katihar averages 1,497 mm of rain and 305 days above 25 °C.

India · population 240,838 · 1991–2020 normals

  1. Jan 17°
  2. Feb 20°
  3. Mar 25°
  4. Apr 28°
  5. May 29°
  6. Jun 29°
  7. Jul 28°
  8. Aug 28°
  9. Sep 27°
  10. Oct 26°
  11. Nov 22°
  12. Dec 18°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectKatihar through the year

Katihar has a clear annual cycle: average daily highs run from 22 °C in January to 35 °C in April, a swing of 12 °C in mean temperature across the year.

Counted across a normal year, 305 days a year reach 25 °C, 190 of them reach 30 °C. The warmest reading in the 1991–2020 record is 44 °C, in June.

Rain is strongly seasonal. July averages 336 mm against 5 mm in November — 64 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month Avg high Rainfall Cloud
January 22.5 °C 16 mm 22 %
February 26.0 °C 17 mm 20 %
March 31.6 °C 19 mm 21 %
April 34.7 °C 40 mm 30 %
May 33.7 °C 134 mm 45 %
June 32.3 °C 280 mm 75 %
July 31.3 °C 336 mm 92 %
August 31.4 °C 290 mm 90 %
September 30.7 °C 260 mm 75 %
October 29.9 °C 94 mm 35 %
November 27.7 °C 5 mm 18 %
December 24.3 °C 6 mm 20 %

Temperature month by month

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January22.5 °C11.4 °C16.8 °C28.1 °C5.6 °C300
February26.0 °C14.0 °C20.0 °C35.3 °C7.9 °C1920
March31.6 °C18.6 °C25.2 °C39.7 °C9.6 °C30220
April34.7 °C22.4 °C28.5 °C42.3 °C16.1 °C30260
May33.7 °C24.1 °C28.7 °C43.2 °C20.0 °C31260
June32.3 °C25.4 °C28.5 °C43.5 °C22.2 °C30250
July31.3 °C25.8 °C28.1 °C36.5 °C23.9 °C31260
August31.4 °C25.7 °C28.1 °C36.1 °C23.5 °C31260
September30.7 °C24.9 °C27.4 °C35.2 °C20.8 °C30220
October29.9 °C22.0 °C25.8 °C33.4 °C15.9 °C30150
November27.7 °C17.0 °C22.2 °C31.9 °C11.6 °C2920
December24.3 °C13.1 °C18.5 °C28.7 °C6.8 °C1100

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWind
January16 mm211 h/day22 %72 %11 km/h
February17 mm211 h/day20 %65 %13 km/h
March19 mm212 h/day21 %52 %16 km/h
April40 mm613 h/day30 %57 %18 km/h
May134 mm1413 h/day45 %73 %17 km/h
June280 mm2314 h/day75 %83 %16 km/h
July336 mm2814 h/day92 %86 %15 km/h
August290 mm2813 h/day90 %86 %14 km/h
September260 mm2312 h/day75 %86 %13 km/h
October94 mm912 h/day35 %81 %9.4 km/h
November5 mm011 h/day18 %70 %9.6 km/h
December6 mm111 h/day20 %70 %9.8 km/h

How Katihar compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Katihar 35 °C 11 °C 1,497 mm 305
Purnia · India 35 °C 11 °C 1,696 mm 308
Rāiganj · India 34 °C 11 °C 1,744 mm 309
Bhāgalpur · India 36 °C 11 °C 1,292 mm 300
Malda · India 35 °C 12 °C 1,653 mm 309
Saharsa · India 36 °C 11 °C 1,369 mm 304
Biratnagar · Nepal 34 °C 11 °C 1,668 mm 297

Where Katihar ranks

RankingPositionValue
Places with the best weather in Asia in January48thof 5095/100

Planning a trip? See the best time to visit Katihar.

QuestionsCommon questions about Katihar’s climate

When is the best time to visit Katihar?

That depends on what you want, so the honest answer is a comparison rather than a single month. February, November, December sit closest to 20 °C on average, April is the warmest month and November the driest. The month-by-month table above has the full picture.

How hot does Katihar get?

In April, the warmest month, daily highs average 35 °C. About 190 days a year pass 30 °C. The highest value in the 1991–2020 record is 44 °C.

How cold does it get in winter?

Nights average 11 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Katihar?

July, averaging 336 mm over 28 days with rain. The driest month is November with 5 mm. The year as a whole averages 1,497 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Katihar rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.