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Monthly climate in Chengam, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chengam features a tropical savanna climate (Aw). Temperatures typically range between 24 °C (75 °F) and 30 °C (87 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 982 mm (38.7 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually. Chengam enjoys an average of 3634 hours of sunshine throughout the year, and daylight varies from 11 hours 24 minutes to 12 hours 49 minutes per day.

Monthly average temperatures in Chengam, India

The warmest months in Chengam are April, May and June, with daily mean temperatures ranging from 30 to 30 °C (86 - 87 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 24 to 25 °C (75 - 78 °F) throughout the day. On average each year, Chengam experiences 326 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 Chengam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(91°F)		35°C
(96°F)		38°C
(100°F)		39°C
(102°F)		40°C
(105°F)		38°C
(101°F)		38°C
(101°F)		37°C
(98°F)		37°C
(99°F)		35°C
(94°F)		33°C
(93°F)		32°C
(91°F)
Mean maximum31°C
(89°F)		34°C
(94°F)		36°C
(98°F)		38°C
(101°F)		39°C
(102°F)		37°C
(98°F)		36°C
(98°F)		36°C
(97°F)		36°C
(96°F)		34°C
(93°F)		32°C
(90°F)		30°C
(87°F)
Average high29°C
(85°F)		31°C
(89°F)		34°C
(94°F)		36°C
(97°F)		36°C
(97°F)		35°C
(95°F)		34°C
(93°F)		33°C
(93°F)		33°C
(91°F)		31°C
(88°F)		29°C
(84°F)		28°C
(83°F)
Daily mean24°C
(75°F)		25°C
(78°F)		28°C
(82°F)		30°C
(86°F)		30°C
(87°F)		30°C
(86°F)		29°C
(84°F)		29°C
(84°F)		28°C
(82°F)		27°C
(80°F)		25°C
(78°F)		24°C
(75°F)
Average low20°C
(68°F)		20°C
(69°F)		23°C
(73°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		25°C
(76°F)		24°C
(75°F)		22°C
(73°F)		21°C
(69°F)
Mean minimum17°C
(63°F)		18°C
(64°F)		20°C
(68°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		22°C
(71°F)		20°C
(67°F)		18°C
(64°F)
Minimum16°C
(62°F)		16°C
(61°F)		18°C
(64°F)		22°C
(73°F)		23°C
(74°F)		24°C
(76°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		19°C
(67°F)		18°C
(64°F)		17°C
(62°F)

Compare climate in Chengam with other places

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

Monthly average precipitation in Chengam, India

Chengam usually has the most precipitation in September, October and November, with an average of 19 rainy days and 177 mm (7.0 inches) of precipitation per month. The driest months in Chengam are February, March and April. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chengam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)24 (1.0)3 (0.1)14 (0.6)12 (0.5)54 (2.1)111 (4.4)84 (3.3)76 (3.0)152 (6.0)167 (6.6)213 (8.4)73 (2.9)
Average precipitation days (≥ 1 mm)402391314141820199

Monthly sunshine hours in Chengam, India

The sunniest months in Chengam are March, April and May, when the sun shines an average of 11 hours 15 minutes a day. Least sunny months in Chengam: January, November and December receive an average of 8 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chengam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours255306344339351314306299291296245283
Mean daily daylight hours11h 28m11h 43m12h 3m12h 23m12h 40m12h 49m12h 45m12h 30m12h 10m11h 50m11h 32m11h 24m

Solar UV radiation in Chengam, India

Chengam experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, October 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 Chengam UV Index data.

Average daily maximum UV levels by month for Chengam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10121314131213141311119