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Monthly climate in Shillong, India

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Shillong features a humid subtropical climate (Cwa). Temperatures typically range between 12 °C (53 °F) and 23 °C (74 °F) through the year, but rarely can drop to 3 °C (37 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 3415 mm (134.4 inches) and receives 241 rainy days on the 1 mm (0.04 inches) threshold annually. Shillong enjoys an average of 3428 hours of sunshine throughout the year, and daylight varies from 10 hours 33 minutes to 13 hours 41 minutes per day.

Monthly average temperatures in Shillong, India

The warmest months in Shillong are July, August and September, with daily mean temperatures ranging from 22 to 23 °C (72 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 13 °C (53 - 56 °F) throughout the day. On average each year, Shillong experiences 85 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 Shillong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(73°F)		24°C
(75°F)		28°C
(83°F)		27°C
(81°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)		25°C
(78°F)		23°C
(73°F)
Mean maximum21°C
(71°F)		23°C
(73°F)		25°C
(78°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		29°C
(85°F)		29°C
(84°F)		28°C
(82°F)		24°C
(76°F)		22°C
(71°F)
Average high18°C
(64°F)		19°C
(67°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		25°C
(77°F)		25°C
(77°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		22°C
(72°F)		19°C
(66°F)
Daily mean12°C
(53°F)		13°C
(56°F)		17°C
(63°F)		19°C
(66°F)		21°C
(69°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		22°C
(72°F)		21°C
(69°F)		17°C
(62°F)		13°C
(56°F)
Average low7°C
(45°F)		9°C
(48°F)		12°C
(54°F)		15°C
(59°F)		18°C
(64°F)		20°C
(68°F)		21°C
(69°F)		21°C
(70°F)		20°C
(68°F)		17°C
(64°F)		12°C
(54°F)		9°C
(48°F)
Mean minimum4°C
(39°F)		6°C
(43°F)		9°C
(48°F)		12°C
(54°F)		15°C
(59°F)		18°C
(65°F)		20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		14°C
(58°F)		9°C
(48°F)		6°C
(43°F)
Minimum3°C
(37°F)		5°C
(41°F)		7°C
(45°F)		11°C
(52°F)		13°C
(56°F)		17°C
(62°F)		19°C
(66°F)		19°C
(67°F)		18°C
(64°F)		12°C
(54°F)		8°C
(46°F)		5°C
(41°F)

Compare climate in Shillong with other places

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

Monthly average precipitation in Shillong, India

Shillong usually has the most precipitation in June, July and August, with an average of 30 rainy days and 602 mm (23.7 inches) of precipitation per month. The driest months in Shillong are January, November and December. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Shillong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)21 (0.8)43 (1.7)129 (5.1)265 (10.4)428 (16.9)552 (21.7)698 (27.5)556 (21.9)391 (15.4)275 (10.8)30 (1.2)28 (1.1)
Average precipitation days (≥ 1 mm)58192630303031292373

Monthly sunshine hours in Shillong, India

The sunniest months in Shillong are March, April and May, when the sun shines an average of 10 hours 23 minutes a day. Least sunny months in Shillong: January, July and August receive an average of 7 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Shillong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours243286332311311274234263274299297298
Mean daily daylight hours10h 43m11h 17m12h 0m12h 45m13h 23m13h 41m13h 32m12h 59m12h 16m11h 31m10h 53m10h 33m

Solar UV radiation in Shillong, India

Shillong experiences the highest level of ultraviolet (UV) radiation in June, July and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, February and December are in the High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Shillong UV Index data.

Average daily maximum UV levels by month for Shillong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)67101113141413131086