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Monthly climate in Yilan, Taiwan, Taiwan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Yilan features a humid subtropical climate (Cfa).Temperatures typically range between 15 °C (60 °F) and 27 °C (82 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 3050 mm (120.1 inches) and receives 268 rainy days on the 1 mm (0.04 inches) threshold annually.Yilan enjoys an average of 3030 hours of sunshine throughout the year, and daylight varies from 10 hours 36 minutes to 13 hours 38 minutes per day.

Monthly average temperatures in Yilan, Taiwan, Taiwan §

The warmest months in Yilan are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 17 °C (60 - 62 °F) throughout the day. On average each year, Yilan experiences 141 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 Yilan, Taiwan, Taiwan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 24°C
(76°F)		 24°C
(76°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(87°F)		 33°C
(92°F)		 33°C
(91°F)		 35°C
(95°F)		 32°C
(91°F)		 31°C
(88°F)		 27°C
(81°F)		 26°C
(79°F)
Mean maximum 23°C
(73°F)		 22°C
(73°F)		 25°C
(77°F)		 27°C
(81°F)		 29°C
(85°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(92°F)		 32°C
(90°F)		 30°C
(86°F)		 26°C
(80°F)		 23°C
(74°F)
Average high 17°C
(63°F)		 18°C
(64°F)		 20°C
(69°F)		 22°C
(72°F)		 26°C
(78°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(84°F)		 25°C
(76°F)		 22°C
(72°F)		 19°C
(66°F)
Daily mean 15°C
(60°F)		 15°C
(60°F)		 18°C
(64°F)		 20°C
(68°F)		 23°C
(74°F)		 26°C
(80°F)		 27°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 23°C
(73°F)		 20°C
(68°F)		 17°C
(62°F)
Average low 13°C
(56°F)		 13°C
(57°F)		 16°C
(60°F)		 18°C
(64°F)		 21°C
(71°F)		 24°C
(76°F)		 26°C
(78°F)		 25°C
(78°F)		 24°C
(76°F)		 21°C
(70°F)		 18°C
(65°F)		 15°C
(59°F)
Mean minimum 9°C
(48°F)		 9°C
(48°F)		 10°C
(51°F)		 13°C
(55°F)		 17°C
(63°F)		 22°C
(71°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(71°F)		 17°C
(63°F)		 15°C
(59°F)		 10°C
(50°F)
Minimum 5°C
(42°F)		 6°C
(44°F)		 9°C
(49°F)		 12°C
(53°F)		 14°C
(58°F)		 21°C
(70°F)		 24°C
(75°F)		 22°C
(72°F)		 20°C
(68°F)		 16°C
(61°F)		 13°C
(56°F)		 8°C
(46°F)

Compare climate in Yilan with other places

Compare temperature, precipitation, sunshine, UV index in Yilan, Taiwan, Taiwan with other places around the world.

Monthly average precipitation in Yilan, Taiwan, Taiwan §

Yilan usually has the most precipitation in June, October and November, with an average of 25 rainy days and 367 mm (14.4 inches) of precipitation per month.The driest months in Yilan are January, February and March. On average, 150 mm (5.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yilan, Taiwan, Taiwan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 149 (5.9) 138 (5.4) 164 (6.5) 195 (7.7) 242 (9.5) 389 (15.3) 234 (9.2) 293 (11.5) 241 (9.5) 397 (15.6) 315 (12.4) 292 (11.5)
Average precipitation days (≥ 1 mm) 18 18 20 20 26 27 22 23 22 24 24 24

Monthly sunshine hours in Yilan, Taiwan, Taiwan §

The sunniest months in Yilan are May, July and August, when the sun shines an average of 9 hours 57 minutes a day.Least sunny months in Yilan: January, November and December receive an average of 6 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yilan, Taiwan, Taiwan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 162 209 256 258 289 278 333 302 288 252 204 194
Mean daily daylight hours 10h 46m 11h 18m 12h 0m 12h 43m 13h 20m 13h 38m 13h 28m 12h 57m 12h 16m 11h 33m 10h 55m 10h 36m

Solar UV radiation in Yilan, Taiwan, Taiwan §

Yilan experiences the highest level of ultraviolet (UV) radiation in May, August and September, when the maximum UV index can reach values of 13 - 13, 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 Yilan UV Index data.

Average daily maximum UV levels by month for Yilan, Taiwan, Taiwan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 8 10 12 12 13 13 13 13 13 10 9 7