Arrah climate

Name: Arrah
Address: IN

Arrah is warmest in May, with average highs of 38 °C, and coldest in January, when nights average 10 °C. July is the wettest month (326 mm) and November the driest (5.7 mm). Figures are 1991–2020 climate normals.

Across a full year Arrah averages 1,136 mm of rain and 300 days above 25 °C.

India · population 261,430 · 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 May 38 °C
Coldest month January 10 °C
Driest month November 6 mm
Wettest month July 326 mm
Least cloud November 15 % cloud
Hottest on record June 45 °C
Coldest on record December 3.7 °C

What to expectArrah through the year

Arrah has a clear annual cycle: average daily highs run from 22 °C in January to 38 °C in May, a swing of 16 °C in mean temperature across the year.

Counted across a normal year, 300 days a year reach 25 °C, 213 of them reach 30 °C. The warmest reading in the 1991–2020 record is 45 °C, in June.

Rain is strongly seasonal. July averages 326 mm against 6 mm in November — 58 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	22.0 °C	17 mm	22 %
February	25.9 °C	16 mm	19 %
March	32.3 °C	10 mm	19 %
April	37.5 °C	12 mm	20 %
May	38.3 °C	28 mm	21 %
June	36.2 °C	180 mm	59 %
July	32.2 °C	326 mm	88 %
August	31.7 °C	286 mm	88 %
September	31.0 °C	202 mm	67 %
October	30.2 °C	47 mm	28 %
November	27.7 °C	6 mm	15 %
December	23.7 °C	7 mm	18 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	22.0 °C	10.3 °C	16.0 °C	28.3 °C	5.9 °C	3	0
February	25.9 °C	13.2 °C	19.6 °C	35.7 °C	6.8 °C	18	2
March	32.3 °C	18.2 °C	25.3 °C	40.5 °C	10.4 °C	31	23
April	37.5 °C	23.3 °C	30.5 °C	43.9 °C	17.3 °C	30	30
May	38.3 °C	26.3 °C	32.4 °C	44.9 °C	19.8 °C	31	31
June	36.2 °C	27.3 °C	31.6 °C	45.0 °C	24.1 °C	30	29
July	32.2 °C	26.4 °C	29.0 °C	39.9 °C	24.4 °C	31	27
August	31.7 °C	26.1 °C	28.5 °C	35.2 °C	24.3 °C	31	28
September	31.0 °C	25.1 °C	27.7 °C	35.0 °C	19.6 °C	30	23
October	30.2 °C	21.4 °C	25.7 °C	34.1 °C	15.2 °C	31	18
November	27.7 °C	16.1 °C	21.8 °C	32.3 °C	9.3 °C	28	2
December	23.7 °C	11.8 °C	17.5 °C	29.5 °C	3.7 °C	8	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	17 mm	2	11 h/day	22 %	71 %	12 km/h
February	16 mm	2	11 h/day	19 %	63 %	14 km/h
March	10 mm	2	12 h/day	19 %	48 %	17 km/h
April	12 mm	3	13 h/day	20 %	41 %	19 km/h
May	28 mm	5	13 h/day	21 %	51 %	19 km/h
June	180 mm	15	14 h/day	59 %	66 %	17 km/h
July	326 mm	25	14 h/day	88 %	81 %	16 km/h
August	286 mm	26	13 h/day	88 %	84 %	15 km/h
September	202 mm	20	12 h/day	67 %	84 %	14 km/h
October	47 mm	6	12 h/day	28 %	77 %	9.8 km/h
November	6 mm	1	11 h/day	15 %	68 %	9.9 km/h
December	7 mm	1	11 h/day	18 %	70 %	11 km/h

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

QuestionsCommon questions about Arrah’s climate

When is the best time to visit Arrah?

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, May is the warmest month and November the driest. The month-by-month table above has the full picture.

How hot does Arrah get?

In May, the warmest month, daily highs average 38 °C. About 213 days a year pass 30 °C. The highest value in the 1991–2020 record is 45 °C.

How cold does it get in winter?

Nights average 10 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Arrah?

July, averaging 326 mm over 25 days with rain. The driest month is November with 6 mm. The year as a whole averages 1,136 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 Arrah 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: 25.556°, 84.663° (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.