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Monthly climate in Munnar, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Munnar features a tropical savanna climate (Aw). Temperatures typically range between 22 °C (72 °F) and 25 °C (77 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 2865 mm (112.8 inches) and receives 254 rainy days on the 1 mm (0.04 inches) threshold annually. Munnar 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 Munnar, India

The warmest months in Munnar are March, April and May, with daily mean temperatures ranging from 23 to 25 °C (75 - 77 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 22 to 22 °C (72 - 72 °F) throughout the day. On average each year, Munnar experiences 261 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 Munnar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(89°F)		33°C
(92°F)		35°C
(95°F)		35°C
(95°F)		33°C
(91°F)		28°C
(82°F)		28°C
(83°F)		27°C
(82°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)
Mean maximum29°C
(85°F)		31°C
(88°F)		33°C
(92°F)		33°C
(92°F)		30°C
(86°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)
Average high27°C
(82°F)		29°C
(85°F)		31°C
(87°F)		30°C
(87°F)		27°C
(81°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)
Daily mean22°C
(72°F)		23°C
(74°F)		25°C
(77°F)		25°C
(77°F)		23°C
(75°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		22°C
(72°F)
Average low18°C
(65°F)		19°C
(66°F)		20°C
(69°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		19°C
(67°F)
Mean minimum16°C
(61°F)		16°C
(61°F)		18°C
(65°F)		20°C
(68°F)		19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		18°C
(65°F)		18°C
(65°F)		17°C
(64°F)		17°C
(62°F)
Minimum15°C
(59°F)		15°C
(59°F)		17°C
(63°F)		18°C
(66°F)		18°C
(64°F)		18°C
(66°F)		19°C
(66°F)		18°C
(66°F)		18°C
(64°F)		18°C
(64°F)		16°C
(62°F)		15°C
(60°F)

Compare climate in Munnar with other places

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

Monthly average precipitation in Munnar, India

Munnar usually has the most precipitation in June, August and October, with an average of 28 rainy days and 414 mm (16.3 inches) of precipitation per month. The driest months in Munnar are January, February and March. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Munnar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)64 (2.5)17 (0.7)67 (2.6)124 (4.9)302 (11.9)355 (14.0)354 (13.9)512 (20.2)307 (12.1)375 (14.8)266 (10.5)121 (4.8)
Average precipitation days (≥ 1 mm)6411222929302927272416

Monthly sunshine hours in Munnar, India

The sunniest months in Munnar are February, March and April, when the sun shines an average of 10 hours 45 minutes a day. Least sunny months in Munnar: 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 Munnar. 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 38m11h 32m

Solar UV radiation in Munnar, India

Munnar 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 Munnar UV Index data.

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