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Monthly climate in Ariyalur, Tamil Nadu, India

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ariyalur features a tropical savanna climate (Aw).Temperatures typically range between 25 °C (78 °F) and 32 °C (90 °F) through the year, but rarely can drop to 17 °C (63 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 973 mm (38.3 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually.Ariyalur enjoys an average of 3655 hours of sunshine throughout the year, and daylight varies from 11 hours 27 minutes to 12 hours 45 minutes per day.

Monthly average temperatures in Ariyalur, Tamil Nadu, India §

The warmest months in Ariyalur are April, May and June, with daily mean temperatures ranging from 32 to 32 °C (89 - 90 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 25 to 26 °C (78 - 80 °F) throughout the day. On average each year, Ariyalur 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 Ariyalur, Tamil Nadu, India.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 34°C
(93°F)		 36°C
(97°F)		 39°C
(102°F)		 40°C
(105°F)		 41°C
(106°F)		 41°C
(106°F)		 40°C
(104°F)		 38°C
(101°F)		 38°C
(101°F)		 36°C
(98°F)		 35°C
(95°F)		 32°C
(90°F)
Mean maximum 33°C
(91°F)		 34°C
(94°F)		 38°C
(100°F)		 39°C
(103°F)		 40°C
(104°F)		 39°C
(102°F)		 38°C
(101°F)		 38°C
(100°F)		 37°C
(98°F)		 36°C
(96°F)		 34°C
(93°F)		 31°C
(89°F)
Average high 30°C
(87°F)		 32°C
(90°F)		 35°C
(95°F)		 37°C
(99°F)		 38°C
(100°F)		 37°C
(99°F)		 36°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(91°F)		 30°C
(87°F)		 29°C
(85°F)
Daily mean 25°C
(78°F)		 26°C
(80°F)		 29°C
(85°F)		 32°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 30°C
(86°F)		 30°C
(85°F)		 29°C
(84°F)		 27°C
(80°F)		 26°C
(78°F)
Average low 22°C
(72°F)		 22°C
(72°F)		 24°C
(76°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(76°F)		 23°C
(73°F)
Mean minimum 20°C
(68°F)		 19°C
(67°F)		 21°C
(71°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(80°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(76°F)		 24°C
(75°F)		 23°C
(73°F)		 21°C
(69°F)
Minimum 19°C
(66°F)		 17°C
(63°F)		 20°C
(68°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 23°C
(74°F)		 22°C
(71°F)		 20°C
(68°F)

Compare climate in Ariyalur with other places

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

Monthly average precipitation in Ariyalur, Tamil Nadu, India §

Ariyalur usually has the most precipitation in September, October and November, with an average of 20 rainy days and 162 mm (6.4 inches) of precipitation per month.The driest months in Ariyalur 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 Ariyalur, Tamil Nadu, India.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 46 (1.8) 5 (0.2) 13 (0.5) 13 (0.5) 38 (1.5) 66 (2.6) 92 (3.6) 95 (3.7) 131 (5.2) 152 (6.0) 204 (8.0) 117 (4.6)
Average precipitation days (≥ 1 mm) 5 1 3 3 9 12 17 15 18 21 22 10

Monthly sunshine hours in Ariyalur, Tamil Nadu, India §

The sunniest months in Ariyalur are March, April and May, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Ariyalur: January, November and December receive an average of 8 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ariyalur, Tamil Nadu, India.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 253 305 342 339 345 320 319 308 300 295 247 276
Mean daily daylight hours 11h 32m 11h 45m 12h 3m 12h 22m 12h 37m 12h 45m 12h 41m 12h 27m 12h 9m 11h 51m 11h 35m 11h 27m

Solar UV radiation in Ariyalur, Tamil Nadu, India §

Ariyalur experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 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 Ariyalur UV Index data.

Average daily maximum UV levels by month for Ariyalur, Tamil Nadu, India.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 10 12 13 15 12 12 13 14 13 12 11 9