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Monthly climate in Ranchi, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ranchi features a humid subtropical climate (Cwa). Temperatures typically range between 16 °C (61 °F) and 29 °C (85 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 42 °C (108 °F). The average annual precipitation amounts to about 1491 mm (58.7 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Ranchi enjoys an average of 3573 hours of sunshine throughout the year, and daylight varies from 10 hours 42 minutes to 13 hours 32 minutes per day.

Monthly average temperatures in Ranchi, India

The warmest months in Ranchi are April, May and June, with daily mean temperatures ranging from 28 to 29 °C (83 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 19 °C (61 - 67 °F) throughout the day. On average each year, Ranchi experiences 266 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ranchi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(83°F)		33°C
(92°F)		39°C
(103°F)		42°C
(107°F)		42°C
(107°F)		42°C
(108°F)		34°C
(94°F)		33°C
(91°F)		32°C
(91°F)		32°C
(91°F)		30°C
(87°F)		28°C
(82°F)
Mean maximum27°C
(81°F)		31°C
(89°F)		37°C
(99°F)		39°C
(103°F)		40°C
(104°F)		38°C
(101°F)		33°C
(91°F)		32°C
(89°F)		32°C
(90°F)		31°C
(89°F)		29°C
(84°F)		26°C
(80°F)
Average high23°C
(73°F)		26°C
(80°F)		31°C
(89°F)		36°C
(97°F)		36°C
(97°F)		33°C
(91°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		27°C
(80°F)		23°C
(74°F)
Daily mean16°C
(61°F)		19°C
(67°F)		24°C
(76°F)		29°C
(84°F)		29°C
(85°F)		28°C
(83°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		24°C
(76°F)		20°C
(69°F)		16°C
(62°F)
Average low11°C
(52°F)		13°C
(56°F)		18°C
(65°F)		23°C
(73°F)		24°C
(76°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		21°C
(70°F)		16°C
(61°F)		12°C
(54°F)
Mean minimum7°C
(45°F)		9°C
(49°F)		14°C
(58°F)		19°C
(67°F)		21°C
(69°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		16°C
(62°F)		12°C
(54°F)		7°C
(45°F)
Minimum7°C
(44°F)		7°C
(45°F)		12°C
(53°F)		17°C
(63°F)		19°C
(66°F)		21°C
(71°F)		22°C
(72°F)		22°C
(73°F)		21°C
(71°F)		15°C
(59°F)		11°C
(52°F)		6°C
(43°F)

Compare climate in Ranchi with other places

Compare temperature, precipitation, sunshine, UV index in Ranchi, India with other places around the world.

Monthly average precipitation in Ranchi, India

Ranchi usually has the most precipitation in July, August and September, with an average of 27 rainy days and 312 mm (12.3 inches) of precipitation per month. The driest months in Ranchi are January, February and November. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ranchi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)12 (0.5)18 (0.7)35 (1.4)39 (1.5)86 (3.4)219 (8.6)329 (13.0)372 (14.6)236 (9.3)112 (4.4)8 (0.3)24 (1.0)
Average precipitation days (≥ 1 mm)235611222930241212

Monthly sunshine hours in Ranchi, India

The sunniest months in Ranchi are March, April and May, when the sun shines an average of 11 hours 12 minutes a day. Least sunny months in Ranchi: January, July and September receive an average of 8 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ranchi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours250288337339353305261276275302290290
Mean daily daylight hours10h 51m11h 21m12h 0m12h 41m13h 15m13h 32m13h 23m12h 54m12h 15m11h 35m11h 0m10h 42m

Solar UV radiation in Ranchi, India

Ranchi experiences the highest level of ultraviolet (UV) radiation in July, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, February and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Ranchi UV Index data.

Average daily maximum UV levels by month for Ranchi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)78101111131314131187