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Monthly climate in Angkor Thum, Siem Reap, Cambodia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Angkor Thum features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (79 °F) and 30 °C (87 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 41 °C (105 °F).The average annual precipitation amounts to about 1313 mm (51.7 inches) and receives 175 rainy days on the 1 mm (0.04 inches) threshold annually.Angkor Thum enjoys an average of 3567 hours of sunshine throughout the year, and daylight varies from 11 hours 20 minutes to 12 hours 53 minutes per day.

Monthly average temperatures in Angkor Thum, Siem Reap, Cambodia §

The warmest months in Angkor Thum are March, April and May, with daily mean temperatures ranging from 30 to 30 °C (86 - 87 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 26 to 27 °C (79 - 81 °F) throughout the day. On average each year, Angkor Thum experiences 328 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 Angkor Thum, Siem Reap, Cambodia.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 35°C
(96°F)		 37°C
(100°F)		 39°C
(103°F)		 40°C
(105°F)		 41°C
(105°F)		 39°C
(102°F)		 38°C
(101°F)		 37°C
(99°F)		 35°C
(96°F)		 34°C
(94°F)		 35°C
(96°F)		 35°C
(96°F)
Mean maximum 34°C
(94°F)		 36°C
(98°F)		 38°C
(101°F)		 39°C
(103°F)		 38°C
(101°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)		 34°C
(94°F)		 34°C
(93°F)
Average high 32°C
(90°F)		 34°C
(93°F)		 35°C
(96°F)		 36°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)		 33°C
(92°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(88°F)
Daily mean 27°C
(81°F)		 28°C
(82°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)
Average low 22°C
(72°F)		 23°C
(73°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(75°F)		 22°C
(72°F)
Mean minimum 18°C
(64°F)		 19°C
(66°F)		 23°C
(74°F)		 23°C
(73°F)		 25°C
(77°F)		 26°C
(79°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 23°C
(74°F)		 21°C
(70°F)		 18°C
(64°F)
Minimum 14°C
(57°F)		 16°C
(61°F)		 21°C
(70°F)		 19°C
(66°F)		 22°C
(71°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 23°C
(74°F)		 21°C
(71°F)		 20°C
(69°F)		 15°C
(60°F)

Compare climate in Angkor Thum with other places

Compare temperature, precipitation, sunshine, UV index in Angkor Thum, Siem Reap, Cambodia with other places around the world.

Monthly average precipitation in Angkor Thum, Siem Reap, Cambodia §

Angkor Thum usually has the most precipitation in August, September and October, with an average of 23 rainy days and 218 mm (8.6 inches) of precipitation per month.The driest months in Angkor Thum are January, February and December. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Angkor Thum, Siem Reap, Cambodia.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) 8 (0.3) 8 (0.3) 38 (1.5) 74 (2.9) 137 (5.4) 127 (5.0) 172 (6.8) 188 (7.4) 256 (10.1) 211 (8.3) 73 (2.9) 22 (0.9)
Average precipitation days (≥ 1 mm) 1 2 6 14 19 21 24 24 25 22 12 5

Monthly sunshine hours in Angkor Thum, Siem Reap, Cambodia §

The sunniest months in Angkor Thum are March, May and December, when the sun shines an average of 10 hours 18 minutes a day.Least sunny months in Angkor Thum: January, September and October receive an average of 8 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Angkor Thum, Siem Reap, Cambodia.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 259 298 326 311 318 303 298 285 270 280 298 314
Mean daily daylight hours 11h 24m 11h 41m 12h 2m 12h 25m 12h 44m 12h 53m 12h 48m 12h 32m 12h 10m 11h 48m 11h 29m 11h 20m

Solar UV radiation in Angkor Thum, Siem Reap, Cambodia §

Angkor Thum experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Angkor Thum UV Index data.

Average daily maximum UV levels by month for Angkor Thum, Siem Reap, Cambodia.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) 10 13 15 14 15 13 14 14 14 13 11 10