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Monthly climate in Vangviang, Laos

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Vangviang features a tropical savanna climate (Aw). Temperatures typically range between 20 °C (67 °F) and 26 °C (78 °F) through the year, but rarely can drop to 4 °C (39 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 2293 mm (90.3 inches) and receives 201 rainy days on the 1 mm (0.04 inches) threshold annually. Vangviang enjoys an average of 3426 hours of sunshine throughout the year, and daylight varies from 11 hours 0 minutes to 13 hours 14 minutes per day.

Monthly average temperatures in Vangviang, Laos

The warmest months in Vangviang are May, June and July, with daily mean temperatures ranging from 25 to 26 °C (77 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 20 to 21 °C (67 - 70 °F) throughout the day. On average each year, Vangviang experiences 298 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 Vangviang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		33°C
(92°F)		35°C
(94°F)		37°C
(98°F)		36°C
(97°F)		34°C
(93°F)		33°C
(91°F)		33°C
(92°F)		34°C
(94°F)		32°C
(90°F)		33°C
(91°F)		31°C
(87°F)
Mean maximum29°C
(85°F)		32°C
(89°F)		33°C
(92°F)		34°C
(94°F)		34°C
(93°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		33°C
(91°F)		32°C
(89°F)		31°C
(88°F)		29°C
(85°F)
Average high26°C
(79°F)		27°C
(82°F)		30°C
(86°F)		30°C
(87°F)		30°C
(87°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		26°C
(79°F)
Daily mean20°C
(68°F)		21°C
(70°F)		23°C
(74°F)		25°C
(77°F)		26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		22°C
(73°F)		20°C
(67°F)
Average low15°C
(59°F)		15°C
(59°F)		18°C
(65°F)		20°C
(69°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		21°C
(69°F)		18°C
(65°F)		14°C
(57°F)
Mean minimum11°C
(52°F)		11°C
(52°F)		14°C
(58°F)		17°C
(63°F)		20°C
(68°F)		22°C
(71°F)		21°C
(71°F)		21°C
(70°F)		20°C
(69°F)		18°C
(64°F)		14°C
(57°F)		7°C
(46°F)
Minimum7°C
(45°F)		10°C
(50°F)		14°C
(57°F)		15°C
(59°F)		19°C
(66°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		19°C
(66°F)		16°C
(61°F)		13°C
(56°F)		4°C
(39°F)

Compare climate in Vangviang with other places

Compare temperature, precipitation, sunshine, UV index in Vangviang, Laos with other places around the world.

Monthly average precipitation in Vangviang, Laos

Vangviang usually has the most precipitation in June, July and August, with an average of 29 rainy days and 497 mm (19.6 inches) of precipitation per month. The driest months in Vangviang are January, February and December. On average, 25 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Vangviang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)21 (0.8)30 (1.2)35 (1.4)84 (3.3)163 (6.4)383 (15.1)519 (20.4)587 (23.1)265 (10.4)149 (5.9)34 (1.3)23 (0.9)
Average precipitation days (≥ 1 mm)4281324283030282194

Monthly sunshine hours in Vangviang, Laos

The sunniest months in Vangviang are March, May and December, when the sun shines an average of 10 hours 3 minutes a day. Least sunny months in Vangviang: January, July and August receive an average of 8 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Vangviang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours244291316305311271266239276296300306
Mean daily daylight hours11h 7m11h 30m12h 1m12h 34m13h 0m13h 14m13h 7m12h 44m12h 13m11h 41m11h 13m11h 0m

Solar UV radiation in Vangviang, Laos

Vangviang experiences the highest level of ultraviolet (UV) radiation in July, August and September, 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 exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Vangviang UV Index data.

Average daily maximum UV levels by month for Vangviang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9111413141415151413109