Purnia climate

Name: Purnia
Address: IN

Purnia is warmest in April, with average highs of 35 °C, and coldest in January, when nights average 11 °C. July is the wettest month (379 mm) and November the driest (5.7 mm). Figures are 1991–2020 climate normals.

Across a full year Purnia averages 1,696 mm of rain and 308 days above 25 °C.

India · population 282,248 · 1991–2020 normals

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

Warmest month April 35 °C
Coldest month January 11 °C
Driest month November 6 mm
Wettest month July 379 mm
Least cloud November 18 % cloud
Hottest on record June 44 °C
Coldest on record January 5.3 °C

What to expectPurnia through the year

Purnia has a clear annual cycle: average daily highs run from 23 °C in January to 35 °C in April, a swing of 12 °C in mean temperature across the year.

Counted across a normal year, 308 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 379 mm against 6 mm in November — 66 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	22.7 °C	13 mm	23 %
February	26.1 °C	16 mm	21 %
March	31.8 °C	20 mm	22 %
April	34.6 °C	47 mm	32 %
May	33.3 °C	161 mm	47 %
June	32.0 °C	316 mm	77 %
July	31.3 °C	379 mm	92 %
August	31.3 °C	339 mm	90 %
September	30.7 °C	297 mm	75 %
October	29.9 °C	97 mm	35 %
November	27.9 °C	6 mm	18 %
December	24.5 °C	6 mm	20 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	22.7 °C	11.0 °C	16.6 °C	27.7 °C	5.3 °C	3	0
February	26.1 °C	13.5 °C	19.8 °C	35.3 °C	7.0 °C	19	2
March	31.8 °C	18.4 °C	25.2 °C	40.3 °C	10.1 °C	30	22
April	34.6 °C	22.3 °C	28.4 °C	42.8 °C	16.5 °C	30	26
May	33.3 °C	23.9 °C	28.4 °C	43.0 °C	18.7 °C	31	26
June	32.0 °C	25.2 °C	28.3 °C	43.6 °C	22.2 °C	30	25
July	31.3 °C	25.6 °C	28.0 °C	36.7 °C	23.4 °C	31	25
August	31.3 °C	25.5 °C	28.0 °C	36.2 °C	23.1 °C	31	25
September	30.7 °C	24.7 °C	27.3 °C	35.3 °C	20.1 °C	30	21
October	29.9 °C	21.6 °C	25.5 °C	33.4 °C	15.4 °C	30	15
November	27.9 °C	16.5 °C	22.1 °C	32.6 °C	10.8 °C	29	2
December	24.5 °C	12.6 °C	18.4 °C	28.8 °C	6.5 °C	13	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	13 mm	2	11 h/day	23 %	71 %	11 km/h
February	16 mm	2	11 h/day	21 %	63 %	13 km/h
March	20 mm	3	12 h/day	22 %	50 %	17 km/h
April	47 mm	7	13 h/day	32 %	56 %	19 km/h
May	161 mm	16	13 h/day	47 %	73 %	18 km/h
June	316 mm	24	14 h/day	77 %	83 %	17 km/h
July	379 mm	29	14 h/day	92 %	86 %	16 km/h
August	339 mm	28	13 h/day	90 %	86 %	15 km/h
September	297 mm	24	12 h/day	75 %	86 %	13 km/h
October	97 mm	9	12 h/day	35 %	80 %	9.7 km/h
November	6 mm	1	11 h/day	18 %	68 %	9.5 km/h
December	6 mm	1	11 h/day	20 %	69 %	9.5 km/h

How Purnia 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
Purnia	35 °C	11 °C	1,696 mm	308
Katihar · India	35 °C	11 °C	1,497 mm	305
Rāiganj · India	34 °C	11 °C	1,744 mm	309
Bhāgalpur · India	36 °C	11 °C	1,292 mm	300
Biratnagar · Nepal	34 °C	11 °C	1,668 mm	297
Saharsa · India	36 °C	11 °C	1,369 mm	304
Malda · India	35 °C	12 °C	1,653 mm	309

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

QuestionsCommon questions about Purnia’s climate

When is the best time to visit Purnia?

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 Purnia 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 Purnia?

July, averaging 379 mm over 29 days with rain. The driest month is November with 6 mm. The year as a whole averages 1,696 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 Purnia rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 25.779°, 87.474° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

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.