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Monthly climate in Supaul, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Supaul features a humid subtropical climate (Cwa). Temperatures typically range between 16 °C (61 °F) and 30 °C (87 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 1511 mm (59.5 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Supaul enjoys an average of 3533 hours of sunshine throughout the year, and daylight varies from 10 hours 31 minutes to 13 hours 44 minutes per day.

Monthly average temperatures in Supaul, India

The warmest months in Supaul are June, July and August, with daily mean temperatures ranging from 30 to 30 °C (86 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 19 °C (61 - 67 °F) throughout the day. On average each year, Supaul experiences 284 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 Supaul. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		32°C
(90°F)		38°C
(100°F)		41°C
(107°F)		43°C
(109°F)		43°C
(109°F)		39°C
(103°F)		38°C
(101°F)		37°C
(99°F)		37°C
(98°F)		35°C
(95°F)		30°C
(87°F)
Mean maximum27°C
(80°F)		30°C
(87°F)		36°C
(97°F)		40°C
(103°F)		39°C
(102°F)		39°C
(102°F)		37°C
(99°F)		37°C
(99°F)		36°C
(97°F)		35°C
(96°F)		33°C
(91°F)		29°C
(85°F)
Average high23°C
(73°F)		27°C
(80°F)		32°C
(90°F)		35°C
(96°F)		35°C
(95°F)		35°C
(95°F)		33°C
(92°F)		33°C
(92°F)		33°C
(92°F)		32°C
(90°F)		30°C
(86°F)		25°C
(78°F)
Daily mean16°C
(61°F)		19°C
(67°F)		25°C
(77°F)		29°C
(84°F)		29°C
(85°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		27°C
(82°F)		23°C
(73°F)		18°C
(64°F)
Average low11°C
(53°F)		14°C
(57°F)		19°C
(66°F)		23°C
(74°F)		25°C
(77°F)		27°C
(80°F)		27°C
(81°F)		27°C
(82°F)		27°C
(80°F)		24°C
(75°F)		17°C
(63°F)		13°C
(56°F)
Mean minimum8°C
(46°F)		10°C
(51°F)		14°C
(57°F)		20°C
(68°F)		22°C
(71°F)		24°C
(76°F)		26°C
(78°F)		26°C
(79°F)		25°C
(77°F)		20°C
(68°F)		14°C
(57°F)		9°C
(48°F)
Minimum6°C
(43°F)		8°C
(46°F)		10°C
(50°F)		18°C
(64°F)		21°C
(69°F)		23°C
(74°F)		25°C
(77°F)		26°C
(79°F)		23°C
(73°F)		18°C
(65°F)		12°C
(54°F)		7°C
(45°F)

Compare climate in Supaul with other places

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

Monthly average precipitation in Supaul, India

Supaul usually has the most precipitation in July, August and September, with an average of 27 rainy days and 332 mm (13.1 inches) of precipitation per month. The driest months in Supaul are January, November and December. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Supaul. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)6 (0.2)16 (0.6)22 (0.9)33 (1.3)101 (4.0)231 (9.1)364 (14.3)340 (13.4)293 (11.5)90 (3.6)1 (0.0)13 (0.5)
Average precipitation days (≥ 1 mm)12371421292825901

Monthly sunshine hours in Supaul, India

The sunniest months in Supaul are March, April and May, when the sun shines an average of 11 hours 1 minutes a day. Least sunny months in Supaul: January, July and December receive an average of 8 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Supaul. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours234279332337344318263285279295284278
Mean daily daylight hours10h 41m11h 15m12h 0m12h 46m13h 25m13h 44m13h 34m13h 0m12h 16m11h 31m10h 51m10h 31m

Solar UV radiation in Supaul, India

Supaul experiences the highest level of ultraviolet (UV) radiation in July, August and September, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Supaul UV Index data.

Average daily maximum UV levels by month for Supaul. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)568101010131212965