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Monthly climate in Kotamangalam, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kotamangalam features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 27 °C (82 °F) through the year, but rarely can drop to 18 °C (64 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 3565 mm (140.4 inches) and receives 264 rainy days on the 1 mm (0.04 inches) threshold annually. Kotamangalam enjoys an average of 3496 hours of sunshine throughout the year, and daylight varies from 11 hours 32 minutes to 12 hours 41 minutes per day.

Monthly average temperatures in Kotamangalam, India

The warmest months in Kotamangalam are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (77 - 78 °F) throughout the day. On average each year, Kotamangalam experiences 325 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 Kotamangalam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(95°F)		37°C
(99°F)		38°C
(101°F)		38°C
(101°F)		33°C
(92°F)		31°C
(88°F)		31°C
(89°F)		31°C
(89°F)		31°C
(88°F)		32°C
(90°F)		33°C
(92°F)		33°C
(91°F)
Mean maximum33°C
(92°F)		35°C
(95°F)		36°C
(98°F)		34°C
(93°F)		32°C
(90°F)		30°C
(86°F)		31°C
(87°F)		30°C
(87°F)		31°C
(88°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)
Average high31°C
(88°F)		32°C
(91°F)		33°C
(91°F)		32°C
(89°F)		30°C
(86°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)
Daily mean26°C
(78°F)		27°C
(80°F)		27°C
(82°F)		27°C
(81°F)		26°C
(80°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)		26°C
(78°F)
Average low21°C
(71°F)		22°C
(72°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)
Mean minimum19°C
(67°F)		20°C
(67°F)		22°C
(72°F)		23°C
(73°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		21°C
(69°F)		20°C
(69°F)
Minimum18°C
(64°F)		18°C
(65°F)		20°C
(69°F)		22°C
(71°F)		21°C
(69°F)		22°C
(71°F)		21°C
(71°F)		22°C
(71°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		19°C
(67°F)

Compare climate in Kotamangalam with other places

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

Monthly average precipitation in Kotamangalam, India

Kotamangalam usually has the most precipitation in August, October and November, with an average of 26 rainy days and 490 mm (19.3 inches) of precipitation per month. The driest months in Kotamangalam are January, February and March. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kotamangalam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)118 (4.6)36 (1.4)99 (3.9)171 (6.7)351 (13.8)426 (16.8)390 (15.4)541 (21.3)323 (12.7)496 (19.5)432 (17.0)182 (7.2)
Average precipitation days (≥ 1 mm)8617232828292725272521

Monthly sunshine hours in Kotamangalam, India

The sunniest months in Kotamangalam are February, March and April, when the sun shines an average of 10 hours 45 minutes a day. Least sunny months in Kotamangalam: January, August and November receive an average of 8 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kotamangalam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours264309335322302283280261282274273305
Mean daily daylight hours11h 35m11h 47m12h 3m12h 20m12h 34m12h 41m12h 37m12h 25m12h 9m11h 52m11h 39m11h 32m

Solar UV radiation in Kotamangalam, India

Kotamangalam experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Kotamangalam UV Index data.

Average daily maximum UV levels by month for Kotamangalam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111313151413131414121010