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Monthly climate in Siao, Si Sa Ket, Thailand

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Siao features a tropical savanna climate (Aw).Temperatures typically range between 24 °C (76 °F) and 29 °C (85 °F) through the year, but rarely can drop to 11 °C (53 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1319 mm (51.9 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually.Siao enjoys an average of 3524 hours of sunshine throughout the year, and daylight varies from 11 hours 15 minutes to 12 hours 58 minutes per day.

Monthly average temperatures in Siao, Si Sa Ket, Thailand §

The warmest months in Siao are March, April and May, with daily mean temperatures ranging from 29 to 29 °C (84 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 24 to 26 °C (76 - 79 °F) throughout the day. On average each year, Siao experiences 326 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 Siao, Si Sa Ket, Thailand.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
(99°F)		 39°C
(102°F)		 39°C
(103°F)		 39°C
(103°F)		 37°C
(98°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)		 34°C
(94°F)		 35°C
(95°F)		 34°C
(94°F)
Mean maximum 34°C
(94°F)		 36°C
(97°F)		 37°C
(100°F)		 38°C
(101°F)		 37°C
(99°F)		 35°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 34°C
(93°F)		 34°C
(93°F)		 34°C
(94°F)		 33°C
(92°F)
Average high 31°C
(89°F)		 33°C
(91°F)		 35°C
(95°F)		 35°C
(94°F)		 34°C
(93°F)		 33°C
(92°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(87°F)
Daily mean 25°C
(77°F)		 26°C
(79°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 24°C
(76°F)
Average low 19°C
(67°F)		 20°C
(69°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)		 22°C
(72°F)		 20°C
(68°F)
Mean minimum 15°C
(60°F)		 16°C
(61°F)		 20°C
(69°F)		 21°C
(70°F)		 23°C
(74°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 21°C
(71°F)		 19°C
(67°F)		 16°C
(60°F)
Minimum 11°C
(53°F)		 13°C
(55°F)		 18°C
(64°F)		 18°C
(64°F)		 20°C
(69°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 20°C
(68°F)		 19°C
(66°F)		 14°C
(57°F)

Compare climate in Siao with other places

Compare temperature, precipitation, sunshine, UV index in Siao, Si Sa Ket, Thailand with other places around the world.

Monthly average precipitation in Siao, Si Sa Ket, Thailand §

Siao usually has the most precipitation in July, August and September, with an average of 25 rainy days and 224 mm (8.8 inches) of precipitation per month.The driest months in Siao are January, February and December. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siao, Si Sa Ket, Thailand.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) 3 (0.1) 5 (0.2) 36 (1.4) 64 (2.5) 148 (5.8) 155 (6.1) 204 (8.0) 202 (8.0) 265 (10.4) 169 (6.7) 55 (2.2) 13 (0.5)
Average precipitation days (≥ 1 mm) 1 1 6 12 20 24 27 25 25 16 7 3

Monthly sunshine hours in Siao, Si Sa Ket, Thailand §

The sunniest months in Siao are March, April and May, when the sun shines an average of 10 hours 24 minutes a day.Least sunny months in Siao: January, August and September receive an average of 8 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siao, Si Sa Ket, Thailand.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 261 298 324 313 319 298 278 270 269 280 297 313
Mean daily daylight hours 11h 20m 11h 38m 12h 2m 12h 27m 12h 48m 12h 58m 12h 53m 12h 35m 12h 11m 11h 46m 11h 25m 11h 15m

Solar UV radiation in Siao, Si Sa Ket, Thailand §

Siao experiences the highest level of ultraviolet (UV) radiation in April, May and July, 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 Siao UV Index data.

Average daily maximum UV levels by month for Siao, Si Sa Ket, Thailand.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 14 14 15 13 15 14 14 12 11 9