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Monthly climate in Trashigang, Bhutan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Trashigang features a subtropical climate (Cwb). Temperatures typically range between 8 °C (46 °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 27 °C (81 °F). The average annual precipitation amounts to about 3674 mm (144.7 inches) and receives 244 rainy days on the 1 mm (0.04 inches) threshold annually. Trashigang enjoys an average of 3272 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 Trashigang, Bhutan

The warmest months in Trashigang 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 8 to 9 °C (46 - 49 °F) throughout the day. On average each year, Trashigang experiences 11 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Trashigang. 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)		25°C
(77°F)		24°C
(75°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		23°C
(74°F)		19°C
(66°F)
Mean maximum18°C
(64°F)		19°C
(66°F)		21°C
(71°F)		23°C
(74°F)		24°C
(76°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		24°C
(76°F)		21°C
(70°F)		18°C
(65°F)
Average high14°C
(57°F)		15°C
(59°F)		17°C
(64°F)		19°C
(67°F)		21°C
(69°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		21°C
(71°F)		18°C
(65°F)		15°C
(59°F)
Daily mean8°C
(46°F)		9°C
(48°F)		12°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)		16°C
(62°F)		12°C
(55°F)		9°C
(49°F)
Average low3°C
(37°F)		4°C
(39°F)		7°C
(45°F)		10°C
(50°F)		13°C
(55°F)		16°C
(62°F)		18°C
(64°F)		18°C
(64°F)		16°C
(62°F)		12°C
(54°F)		8°C
(46°F)		5°C
(41°F)
Mean minimum-1°C
(31°F)		-0°C
(31°F)		2°C
(36°F)		7°C
(44°F)		9°C
(48°F)		13°C
(57°F)		16°C
(61°F)		16°C
(61°F)		14°C
(57°F)		7°C
(45°F)		5°C
(41°F)		1°C
(34°F)
Minimum-3°C
(27°F)		-5°C
(23°F)		0°C
(33°F)		6°C
(43°F)		7°C
(45°F)		12°C
(54°F)		14°C
(58°F)		15°C
(59°F)		13°C
(55°F)		6°C
(42°F)		4°C
(39°F)		-0°C
(31°F)

Compare climate in Trashigang with other places

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

Monthly average precipitation in Trashigang, Bhutan

Trashigang usually has the most precipitation in June, July and August, with an average of 30 rainy days and 746 mm (29.4 inches) of precipitation per month. The driest months in Trashigang 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 Trashigang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)25 (1.0)56 (2.2)122 (4.8)193 (7.6)352 (13.9)628 (24.7)931 (36.7)678 (26.7)503 (19.8)133 (5.2)25 (1.0)28 (1.1)
Average precipitation days (≥ 1 mm)812202429303131291668

Monthly sunshine hours in Trashigang, Bhutan

The sunniest months in Trashigang are March, April and May, when the sun shines an average of 10 hours 6 minutes a day. Least sunny months in Trashigang: January, February and July receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Trashigang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours221255312311306278210255257302281277
Mean daily daylight hours10h 37m11h 13m12h 0m12h 48m13h 29m13h 49m13h 39m13h 3m12h 17m11h 29m10h 47m10h 26m

Solar UV radiation in Trashigang, Bhutan

Trashigang 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 Trashigang UV Index data.

Average daily maximum UV levels by month for Trashigang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)68101313141514131186