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Monthly climate in Mongar, Bhutan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mongar features a humid subtropical climate (Cwa). Temperatures typically range between 7 °C (45 °F) and 20 °C (69 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 28 °C (83 °F). The average annual precipitation amounts to about 4758 mm (187.3 inches) and receives 266 rainy days on the 1 mm (0.04 inches) threshold annually. Mongar enjoys an average of 3153 hours of sunshine throughout the year, and daylight varies from 10 hours 26 minutes to 13 hours 49 minutes per day.

Monthly average temperatures in Mongar, Bhutan

The warmest months in Mongar are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (67 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (45 - 48 °F) throughout the day. On average each year, Mongar experiences 18 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mongar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum20°C
(69°F)		21°C
(70°F)		24°C
(76°F)		24°C
(75°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		28°C
(83°F)		26°C
(80°F)		23°C
(74°F)		19°C
(66°F)
Mean maximum18°C
(64°F)		18°C
(65°F)		21°C
(71°F)		23°C
(74°F)		24°C
(76°F)		26°C
(78°F)		27°C
(80°F)		26°C
(80°F)		27°C
(80°F)		24°C
(76°F)		21°C
(70°F)		18°C
(64°F)
Average high13°C
(56°F)		14°C
(58°F)		17°C
(63°F)		19°C
(67°F)		21°C
(70°F)		23°C
(73°F)		23°C
(73°F)		24°C
(75°F)		23°C
(73°F)		22°C
(71°F)		18°C
(65°F)		15°C
(59°F)
Daily mean7°C
(45°F)		8°C
(47°F)		11°C
(53°F)		14°C
(58°F)		17°C
(62°F)		19°C
(67°F)		20°C
(68°F)		20°C
(69°F)		19°C
(67°F)		17°C
(62°F)		12°C
(54°F)		9°C
(48°F)
Average low2°C
(36°F)		3°C
(38°F)		6°C
(44°F)		10°C
(50°F)		13°C
(55°F)		17°C
(62°F)		18°C
(65°F)		18°C
(65°F)		17°C
(62°F)		12°C
(54°F)		7°C
(46°F)		4°C
(40°F)
Mean minimum-3°C
(28°F)		-1°C
(31°F)		2°C
(35°F)		6°C
(43°F)		9°C
(49°F)		14°C
(57°F)		16°C
(61°F)		16°C
(61°F)		14°C
(57°F)		8°C
(46°F)		4°C
(40°F)		0°C
(33°F)
Minimum-5°C
(23°F)		-4°C
(25°F)		-1°C
(31°F)		4°C
(40°F)		8°C
(46°F)		12°C
(54°F)		16°C
(60°F)		15°C
(60°F)		13°C
(56°F)		6°C
(42°F)		3°C
(38°F)		-3°C
(28°F)

Compare climate in Mongar with other places

Compare temperature, precipitation, sunshine, UV index in Mongar, Bhutan with other places around the world.

Monthly average precipitation in Mongar, Bhutan

Mongar usually has the most precipitation in June, July and August, with an average of 30 rainy days and 795 mm (31.3 inches) of precipitation per month. The driest months in Mongar are January, November and December. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mongar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)57 (2.3)130 (5.1)312 (12.3)377 (14.8)562 (22.1)815 (32.1)937 (36.9)632 (24.9)606 (23.9)226 (8.9)61 (2.4)43 (1.7)
Average precipitation days (≥ 1 mm)9162726303030302921108

Monthly sunshine hours in Mongar, Bhutan

The sunniest months in Mongar are April, May and October, when the sun shines an average of 9 hours 43 minutes a day. Least sunny months in Mongar: January, February and July receive an average of 7 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mongar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours204227287302295274216255257296273263
Mean daily daylight hours10h 37m11h 13m12h 0m12h 48m13h 29m13h 49m13h 38m13h 3m12h 17m11h 29m10h 47m10h 26m

Solar UV radiation in Mongar, Bhutan

Mongar experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, February and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Mongar UV Index data.

Average daily maximum UV levels by month for Mongar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6891213141514121086