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Monthly climate in Rameswaram, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rameswaram features a tropical savanna climate (As). Temperatures typically range between 26 °C (79 °F) and 29 °C (85 °F) through the year, but rarely can drop to 24 °C (75 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 1266 mm (49.8 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. Rameswaram enjoys an average of 3838 hours of sunshine throughout the year, and daylight varies from 11 hours 34 minutes to 12 hours 38 minutes per day.

Monthly average temperatures in Rameswaram, India

The warmest months in Rameswaram are April, May and June, with daily mean temperatures ranging from 29 to 29 °C (84 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 26 to 26 °C (79 - 80 °F) throughout the day. On average each year, Rameswaram experiences 329 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 Rameswaram. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(83°F)		29°C
(84°F)		30°C
(86°F)		31°C
(88°F)		32°C
(89°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		28°C
(83°F)
Mean maximum27°C
(81°F)		28°C
(82°F)		29°C
(85°F)		30°C
(87°F)		31°C
(88°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		28°C
(82°F)
Average high26°C
(80°F)		27°C
(81°F)		28°C
(83°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)
Daily mean26°C
(79°F)		26°C
(80°F)		28°C
(82°F)		29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)		26°C
(80°F)
Average low25°C
(78°F)		26°C
(78°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		26°C
(78°F)
Mean minimum24°C
(76°F)		25°C
(77°F)		26°C
(79°F)		26°C
(80°F)		27°C
(81°F)		28°C
(82°F)		27°C
(81°F)		26°C
(80°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		25°C
(76°F)
Minimum24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		26°C
(79°F)		26°C
(80°F)		26°C
(79°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)

Compare climate in Rameswaram with other places

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

Monthly average precipitation in Rameswaram, India

Rameswaram usually has the most precipitation in October, November and December, with an average of 21 rainy days and 303 mm (11.9 inches) of precipitation per month. The driest months in Rameswaram are February, June and July. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rameswaram. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)109 (4.3)18 (0.7)28 (1.1)41 (1.6)53 (2.1)9 (0.4)17 (0.7)28 (1.1)54 (2.1)230 (9.0)423 (16.7)255 (10.0)
Average precipitation days (≥ 1 mm)85691124510202420

Monthly sunshine hours in Rameswaram, India

The sunniest months in Rameswaram are March, April and May, when the sun shines an average of 11 hours 14 minutes a day. Least sunny months in Rameswaram: January, November and December receive an average of 9 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rameswaram. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours267311346341347335340330323316273305
Mean daily daylight hours11h 38m11h 49m12h 3m12h 19m12h 32m12h 38m12h 35m12h 23m12h 9m11h 53m11h 41m11h 34m

Solar UV radiation in Rameswaram, India

Rameswaram experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. June, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Rameswaram UV Index data.

Average daily maximum UV levels by month for Rameswaram. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121314151312121314121110