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Monthly climate in Kosi, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kosi features a hot semi-arid climate (BSh). Temperatures typically range between 13 °C (56 °F) and 34 °C (93 °F) through the year, but rarely can drop to 3 °C (37 °F) or can rise to as high as 46 °C (114 °F). The average annual precipitation amounts to about 698 mm (27.5 inches) and receives 84 rainy days on the 1 mm (0.04 inches) threshold annually. Kosi enjoys an average of 3708 hours of sunshine throughout the year, and daylight varies from 10 hours 24 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Kosi, India

The warmest months in Kosi are May, June and July, with daily mean temperatures ranging from 31 to 34 °C (89 - 93 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 17 °C (56 - 63 °F) throughout the day. On average each year, Kosi experiences 254 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 Kosi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum26°C
(80°F)		33°C
(92°F)		40°C
(103°F)		44°C
(111°F)		46°C
(114°F)		46°C
(114°F)		43°C
(110°F)		37°C
(99°F)		39°C
(102°F)		38°C
(101°F)		32°C
(91°F)		28°C
(82°F)
Mean maximum24°C
(76°F)		29°C
(85°F)		38°C
(100°F)		42°C
(108°F)		44°C
(111°F)		43°C
(110°F)		41°C
(106°F)		36°C
(98°F)		37°C
(98°F)		36°C
(97°F)		32°C
(89°F)		26°C
(79°F)
Average high20°C
(68°F)		24°C
(76°F)		31°C
(87°F)		38°C
(100°F)		39°C
(103°F)		39°C
(102°F)		35°C
(96°F)		33°C
(92°F)		33°C
(92°F)		34°C
(93°F)		28°C
(82°F)		22°C
(72°F)
Daily mean13°C
(56°F)		17°C
(63°F)		23°C
(74°F)		30°C
(86°F)		32°C
(91°F)		34°C
(93°F)		31°C
(89°F)		30°C
(86°F)		29°C
(85°F)		26°C
(80°F)		20°C
(69°F)		15°C
(59°F)
Average low9°C
(48°F)		12°C
(53°F)		17°C
(62°F)		23°C
(73°F)		26°C
(79°F)		29°C
(84°F)		28°C
(83°F)		27°C
(82°F)		26°C
(80°F)		21°C
(70°F)		15°C
(59°F)		10°C
(50°F)
Mean minimum4°C
(40°F)		7°C
(44°F)		11°C
(53°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		26°C
(79°F)		26°C
(79°F)		23°C
(75°F)		16°C
(61°F)		11°C
(52°F)		5°C
(42°F)
Minimum3°C
(37°F)		5°C
(41°F)		8°C
(46°F)		16°C
(61°F)		20°C
(68°F)		23°C
(74°F)		25°C
(77°F)		25°C
(78°F)		22°C
(72°F)		15°C
(59°F)		9°C
(49°F)		3°C
(38°F)

Compare climate in Kosi with other places

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

Monthly average precipitation in Kosi, India

Kosi usually has the most precipitation in July, August and September, with an average of 18 rainy days and 176 mm (6.9 inches) of precipitation per month. The driest months in Kosi are February, April and December. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kosi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)21 (0.8)11 (0.4)27 (1.1)12 (0.5)27 (1.0)39 (1.5)211 (8.3)202 (7.9)115 (4.5)14 (0.5)12 (0.5)9 (0.4)
Average precipitation days (≥ 1 mm)324358192215111

Monthly sunshine hours in Kosi, India

The sunniest months in Kosi are April, May and June, when the sun shines an average of 11 hours 34 minutes a day. Least sunny months in Kosi: January, February and December receive an average of 8 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kosi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours233283333342359352320303299315285280
Mean daily daylight hours10h 35m11h 12m12h 0m12h 49m13h 30m13h 51m13h 40m13h 4m12h 17m11h 28m10h 45m10h 24m

Solar UV radiation in Kosi, India

Kosi experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Kosi UV Index data.

Average daily maximum UV levels by month for Kosi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)579101110111110855