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Monthly climate in Si Chiang Mai, Nong Khai, Thailand

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Si Chiang Mai features a tropical savanna climate (Aw).Temperatures typically range between 23 °C (74 °F) and 29 °C (85 °F) through the year, but rarely can drop to 9 °C (48 °F) or can rise to as high as 42 °C (107 °F).The average annual precipitation amounts to about 1790 mm (70.5 inches) and receives 160 rainy days on the 1 mm (0.04 inches) threshold annually.Si Chiang Mai enjoys an average of 3457 hours of sunshine throughout the year, and daylight varies from 11 hours 3 minutes to 13 hours 10 minutes per day.

Monthly average temperatures in Si Chiang Mai, Nong Khai, Thailand §

The warmest months in Si Chiang Mai are April, May and June, with daily mean temperatures ranging from 29 to 29 °C (85 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 23 to 25 °C (74 - 76 °F) throughout the day. On average each year, Si Chiang Mai experiences 324 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 Si Chiang Mai, Nong Khai, 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
(95°F)		 38°C
(100°F)		 40°C
(104°F)		 42°C
(107°F)		 41°C
(107°F)		 39°C
(102°F)		 37°C
(99°F)		 37°C
(98°F)		 37°C
(98°F)		 36°C
(98°F)		 36°C
(98°F)		 35°C
(95°F)
Mean maximum 34°C
(93°F)		 37°C
(99°F)		 39°C
(102°F)		 40°C
(104°F)		 38°C
(101°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(97°F)		 36°C
(97°F)		 35°C
(95°F)		 35°C
(95°F)		 33°C
(91°F)
Average high 30°C
(86°F)		 32°C
(89°F)		 35°C
(94°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)		 32°C
(91°F)		 32°C
(90°F)		 33°C
(91°F)		 32°C
(90°F)		 32°C
(89°F)		 30°C
(85°F)
Daily mean 24°C
(75°F)		 25°C
(76°F)		 28°C
(82°F)		 29°C
(85°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)		 26°C
(79°F)		 23°C
(74°F)
Average low 18°C
(65°F)		 19°C
(66°F)		 22°C
(73°F)		 24°C
(76°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(76°F)		 22°C
(71°F)		 18°C
(64°F)
Mean minimum 14°C
(57°F)		 15°C
(59°F)		 19°C
(66°F)		 21°C
(70°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 21°C
(71°F)		 18°C
(64°F)		 12°C
(54°F)
Minimum 10°C
(51°F)		 13°C
(55°F)		 17°C
(63°F)		 17°C
(63°F)		 22°C
(71°F)		 24°C
(75°F)		 25°C
(76°F)		 24°C
(75°F)		 23°C
(73°F)		 20°C
(68°F)		 17°C
(63°F)		 9°C
(48°F)

Compare climate in Si Chiang Mai with other places

Compare temperature, precipitation, sunshine, UV index in Si Chiang Mai, Nong Khai, Thailand with other places around the world.

Monthly average precipitation in Si Chiang Mai, Nong Khai, Thailand §

Si Chiang Mai usually has the most precipitation in June, July and August, with an average of 25 rainy days and 347 mm (13.7 inches) of precipitation per month.The driest months in Si Chiang Mai are January, November and December. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Si Chiang Mai, Nong Khai, 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) 6 (0.2) 17 (0.7) 41 (1.6) 70 (2.8) 204 (8.0) 309 (12.2) 331 (13.0) 402 (15.8) 265 (10.4) 129 (5.1) 10 (0.4) 7 (0.3)
Average precipitation days (≥ 1 mm) 1 1 6 11 21 25 26 26 24 15 3 1

Monthly sunshine hours in Si Chiang Mai, Nong Khai, Thailand §

The sunniest months in Si Chiang Mai are March, April and December, when the sun shines an average of 10 hours 12 minutes a day.Least sunny months in Si Chiang Mai: January, July and August receive an average of 8 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Si Chiang Mai, Nong Khai, 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 252 292 318 309 308 271 269 249 274 295 305 311
Mean daily daylight hours 11h 10m 11h 32m 12h 2m 12h 32m 12h 57m 13h 10m 13h 4m 12h 41m 12h 12m 11h 42m 11h 16m 11h 3m

Solar UV radiation in Si Chiang Mai, Nong Khai, Thailand §

Si Chiang Mai experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure.January, November and December are in the 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 Si Chiang Mai UV Index data.

Average daily maximum UV levels by month for Si Chiang Mai, Nong Khai, 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) 9 11 13 14 14 13 14 14 14 12 9 8