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Monthly climate in Thanniyam, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Thanniyam features a tropical savanna climate (Aw). Temperatures typically range between 26 °C (80 °F) and 30 °C (86 °F) through the year, but rarely can drop to 20 °C (69 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 2705 mm (106.5 inches) and receives 234 rainy days on the 1 mm (0.04 inches) threshold annually. Thanniyam enjoys an average of 3394 hours of sunshine throughout the year, and daylight varies from 11 hours 30 minutes to 12 hours 42 minutes per day.

Monthly average temperatures in Thanniyam, India

The warmest months in Thanniyam are February, March and April, with daily mean temperatures ranging from 29 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 26 to 27 °C (80 - 80 °F) throughout the day. On average each year, Thanniyam 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 Thanniyam. 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)		39°C
(103°F)		39°C
(103°F)		35°C
(95°F)		32°C
(91°F)		32°C
(90°F)		32°C
(90°F)		33°C
(92°F)		34°C
(93°F)		34°C
(94°F)		36°C
(97°F)
Mean maximum36°C
(97°F)		38°C
(100°F)		38°C
(101°F)		37°C
(98°F)		34°C
(93°F)		31°C
(89°F)		31°C
(89°F)		31°C
(88°F)		32°C
(90°F)		33°C
(91°F)		33°C
(93°F)		35°C
(95°F)
Average high34°C
(93°F)		35°C
(96°F)		35°C
(95°F)		33°C
(92°F)		32°C
(89°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		30°C
(86°F)		31°C
(87°F)		32°C
(89°F)		33°C
(91°F)
Daily mean28°C
(83°F)		29°C
(85°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)		27°C
(81°F)		26°C
(80°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)
Average low24°C
(76°F)		25°C
(78°F)		26°C
(80°F)		27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		25°C
(77°F)		25°C
(76°F)		25°C
(77°F)		25°C
(76°F)		25°C
(77°F)		25°C
(77°F)
Mean minimum22°C
(72°F)		23°C
(73°F)		24°C
(76°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)
Minimum20°C
(69°F)		22°C
(71°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		22°C
(71°F)		22°C
(72°F)

Compare climate in Thanniyam with other places

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

Monthly average precipitation in Thanniyam, India

Thanniyam usually has the most precipitation in June, July and August, with an average of 29 rainy days and 467 mm (18.4 inches) of precipitation per month. The driest months in Thanniyam are January, February and December. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Thanniyam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)6 (0.3)52 (2.0)127 (5.0)289 (11.4)451 (17.7)444 (17.5)507 (20.0)287 (11.3)316 (12.4)170 (6.7)39 (1.5)
Average precipitation days (≥ 1 mm)321124283030292627186

Monthly sunshine hours in Thanniyam, India

The sunniest months in Thanniyam are March, April and December, when the sun shines an average of 10 hours 33 minutes a day. Least sunny months in Thanniyam: June, July and August receive an average of 8 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Thanniyam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours267309335322290248252235266271281313
Mean daily daylight hours11h 34m11h 46m12h 3m12h 21m12h 35m12h 42m12h 39m12h 26m12h 9m11h 52m11h 37m11h 30m

Solar UV radiation in Thanniyam, India

Thanniyam 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 / 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 Thanniyam UV Index data.

Average daily maximum UV levels by month for Thanniyam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)11121314131213131412109