Monthly climate in Trashi Yangtse, Bhutan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Trashi Yangtse features a subtropical climate (Cwb). Temperatures typically range between 5 °C (41 °F) and 18 °C (65 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 25 °C (78 °F). The average annual precipitation amounts to about 3274 mm (128.9 inches) and receives 247 rainy days on the 1 mm (0.04 inches) threshold annually. Trashi Yangtse enjoys an average of 3223 hours of sunshine throughout the year, and daylight varies from 10 hours 24 minutes to 13 hours 50 minutes per day.

Monthly average temperatures in Trashi Yangtse, Bhutan

The warmest months in Trashi Yangtse are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (63 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 44 °F) throughout the day. On average each year, Trashi Yangtse experiences 0 days above 25 °C (77.0 °F) and 27 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Trashi Yangtse. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(64°F)
19°C
(66°F)
22°C
(72°F)
22°C
(72°F)
24°C
(76°F)
24°C
(76°F)
25°C
(77°F)
25°C
(77°F)
25°C
(78°F)
24°C
(75°F)
21°C
(70°F)
17°C
(63°F)
Mean maximum15°C
(60°F)
16°C
(61°F)
19°C
(67°F)
21°C
(69°F)
22°C
(72°F)
23°C
(74°F)
24°C
(75°F)
24°C
(75°F)
24°C
(76°F)
22°C
(72°F)
19°C
(66°F)
15°C
(60°F)
Average high11°C
(52°F)
12°C
(54°F)
14°C
(58°F)
16°C
(62°F)
18°C
(65°F)
21°C
(69°F)
21°C
(69°F)
21°C
(71°F)
20°C
(69°F)
19°C
(67°F)
16°C
(61°F)
13°C
(55°F)
Daily mean5°C
(41°F)
6°C
(43°F)
9°C
(48°F)
11°C
(53°F)
14°C
(58°F)
17°C
(63°F)
18°C
(64°F)
18°C
(65°F)
17°C
(63°F)
14°C
(57°F)
10°C
(50°F)
7°C
(44°F)
Average low-0°C
(32°F)
1°C
(34°F)
4°C
(39°F)
7°C
(45°F)
10°C
(51°F)
14°C
(57°F)
16°C
(60°F)
15°C
(60°F)
14°C
(57°F)
9°C
(49°F)
5°C
(41°F)
2°C
(37°F)
Mean minimum-6°C
(22°F)
-4°C
(24°F)
-2°C
(29°F)
3°C
(38°F)
6°C
(42°F)
11°C
(52°F)
13°C
(56°F)
13°C
(56°F)
11°C
(52°F)
4°C
(39°F)
2°C
(35°F)
-2°C
(29°F)
Minimum-8°C
(17°F)
-10°C
(14°F)
-5°C
(23°F)
3°C
(37°F)
4°C
(39°F)
9°C
(49°F)
12°C
(54°F)
12°C
(54°F)
9°C
(49°F)
1°C
(35°F)
1°C
(34°F)
-4°C
(26°F)

Compare climate in Trashi Yangtse with other places

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

Monthly average precipitation in Trashi Yangtse, Bhutan

Trashi Yangtse usually has the most precipitation in June, July and August, with an average of 29 rainy days and 656 mm (25.8 inches) of precipitation per month. The driest months in Trashi Yangtse are January, November and December. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Trashi Yangtse. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)72 (2.8)155 (6.1)169 (6.6)286 (11.3)534 (21.0)807 (31.8)629 (24.8)410 (16.1)101 (4.0)34 (1.3)39 (1.5)
Average precipitation days (≥ 1 mm)1016262427273030271479

Monthly sunshine hours in Trashi Yangtse, Bhutan

The sunniest months in Trashi Yangtse are March, April and May, when the sun shines an average of 10 hours 18 minutes a day. Least sunny months in Trashi Yangtse: January, July and August receive an average of 6 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Trashi Yangtse. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours220260312316318275190234250302277265
Mean daily daylight hours10h 35m11h 12m12h 0m12h 49m13h 30m13h 50m13h 40m13h 4m12h 17m11h 28m10h 46m10h 24m

Solar UV radiation in Trashi Yangtse, Bhutan

Trashi Yangtse experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Trashi Yangtse UV Index data.

Average daily maximum UV levels by month for Trashi Yangtse. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)710121415151615141197