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Monthly climate in Ottappalam, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ottappalam features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 30 °C (86 °F) through the year, but rarely can drop to 19 °C (66 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 2478 mm (97.6 inches) and receives 212 rainy days on the 1 mm (0.04 inches) threshold annually. Ottappalam enjoys an average of 3415 hours of sunshine throughout the year, and daylight varies from 11 hours 29 minutes to 12 hours 43 minutes per day.

Monthly average temperatures in Ottappalam, India

The warmest months in Ottappalam are February, March and April, with daily mean temperatures ranging from 29 to 30 °C (84 - 86 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Ottappalam experiences 328 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 Ottappalam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(99°F)		39°C
(102°F)		40°C
(104°F)		40°C
(105°F)		36°C
(98°F)		32°C
(91°F)		32°C
(90°F)		32°C
(89°F)		33°C
(92°F)		34°C
(93°F)		34°C
(94°F)		35°C
(96°F)
Mean maximum36°C
(96°F)		37°C
(99°F)		39°C
(103°F)		40°C
(103°F)		34°C
(94°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		33°C
(91°F)		33°C
(91°F)		33°C
(92°F)		35°C
(94°F)
Average high33°C
(92°F)		35°C
(96°F)		37°C
(98°F)		35°C
(95°F)		31°C
(89°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		29°C
(85°F)		30°C
(87°F)		31°C
(88°F)		32°C
(90°F)
Daily mean27°C
(82°F)		29°C
(84°F)		30°C
(86°F)		29°C
(85°F)		27°C
(82°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)
Average low23°C
(74°F)		24°C
(75°F)		25°C
(77°F)		26°C
(78°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		23°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(75°F)		23°C
(75°F)
Mean minimum20°C
(69°F)		21°C
(70°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)		22°C
(73°F)		22°C
(73°F)		22°C
(72°F)		21°C
(70°F)		22°C
(71°F)
Minimum19°C
(66°F)		20°C
(68°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		19°C
(67°F)		20°C
(69°F)

Compare climate in Ottappalam with other places

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

Monthly average precipitation in Ottappalam, India

Ottappalam usually has the most precipitation in June, July and August, with an average of 28 rainy days and 412 mm (16.2 inches) of precipitation per month. The driest months in Ottappalam are January, February and March. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ottappalam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)13 (0.5)9 (0.3)37 (1.4)121 (4.8)253 (9.9)414 (16.3)361 (14.2)460 (18.1)316 (12.5)330 (13.0)128 (5.0)37 (1.5)
Average precipitation days (≥ 1 mm)21719282929282525145

Monthly sunshine hours in Ottappalam, India

The sunniest months in Ottappalam are March, April and December, when the sun shines an average of 10 hours 35 minutes a day. Least sunny months in Ottappalam: June, July and August receive an average of 8 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ottappalam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours267310336323295252253235269274283314
Mean daily daylight hours11h 33m11h 46m12h 3m12h 21m12h 36m12h 43m12h 40m12h 26m12h 9m11h 52m11h 37m11h 29m

Solar UV radiation in Ottappalam, India

Ottappalam 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, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Ottappalam UV Index data.

Average daily maximum UV levels by month for Ottappalam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10121313131213141412109