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Monthly climate in Muang Phonsavan, Laos

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Muang Phonsavan features a humid subtropical climate (Cwa). Temperatures typically range between 16 °C (60 °F) and 24 °C (76 °F) through the year, but rarely can drop to 0 °C (33 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 1388 mm (54.6 inches) and receives 183 rainy days on the 1 mm (0.04 inches) threshold annually. Muang Phonsavan enjoys an average of 3359 hours of sunshine throughout the year, and daylight varies from 10 hours 58 minutes to 13 hours 16 minutes per day.

Monthly average temperatures in Muang Phonsavan, Laos

The warmest months in Muang Phonsavan are June, July and August, with daily mean temperatures ranging from 23 to 24 °C (74 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 17 °C (60 - 64 °F) throughout the day. On average each year, Muang Phonsavan experiences 235 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 Muang Phonsavan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(84°F)		31°C
(88°F)		33°C
(91°F)		33°C
(92°F)		33°C
(92°F)		36°C
(96°F)		31°C
(88°F)		31°C
(87°F)		30°C
(87°F)		31°C
(88°F)		30°C
(86°F)		28°C
(82°F)
Mean maximum27°C
(81°F)		29°C
(84°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		27°C
(80°F)
Average high23°C
(74°F)		25°C
(77°F)		27°C
(81°F)		27°C
(81°F)		28°C
(83°F)		28°C
(83°F)		27°C
(82°F)		27°C
(81°F)		27°C
(82°F)		26°C
(79°F)		25°C
(77°F)		23°C
(73°F)
Daily mean16°C
(62°F)		17°C
(64°F)		20°C
(69°F)		21°C
(71°F)		23°C
(74°F)		24°C
(76°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		21°C
(70°F)		19°C
(66°F)		16°C
(60°F)
Average low11°C
(52°F)		11°C
(53°F)		15°C
(59°F)		17°C
(62°F)		19°C
(67°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		20°C
(67°F)		18°C
(64°F)		14°C
(58°F)		10°C
(51°F)
Mean minimum6°C
(43°F)		7°C
(45°F)		11°C
(53°F)		13°C
(55°F)		16°C
(62°F)		20°C
(68°F)		19°C
(67°F)		19°C
(66°F)		17°C
(63°F)		13°C
(56°F)		9°C
(49°F)		4°C
(39°F)
Minimum3°C
(37°F)		6°C
(43°F)		10°C
(49°F)		7°C
(45°F)		14°C
(57°F)		19°C
(67°F)		18°C
(65°F)		18°C
(65°F)		13°C
(56°F)		10°C
(50°F)		8°C
(47°F)		0°C
(33°F)

Compare climate in Muang Phonsavan with other places

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

Monthly average precipitation in Muang Phonsavan, Laos

Muang Phonsavan usually has the most precipitation in June, July and August, with an average of 27 rainy days and 254 mm (10.0 inches) of precipitation per month. The driest months in Muang Phonsavan are January, November and December. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Muang Phonsavan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)23 (0.9)44 (1.7)130 (5.1)136 (5.4)196 (7.7)266 (10.5)301 (11.9)128 (5.0)115 (4.5)18 (0.7)14 (0.6)
Average precipitation days (≥ 1 mm)42101924262828211641

Monthly sunshine hours in Muang Phonsavan, Laos

The sunniest months in Muang Phonsavan are March, May and December, when the sun shines an average of 9 hours 47 minutes a day. Least sunny months in Muang Phonsavan: January, July and August receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Muang Phonsavan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours235286305292305274266241277285289299
Mean daily daylight hours11h 5m11h 29m12h 1m12h 35m13h 2m13h 16m13h 9m12h 45m12h 13m11h 40m11h 12m10h 58m

Solar UV radiation in Muang Phonsavan, Laos

Muang Phonsavan experiences the highest level of ultraviolet (UV) radiation in May, August and September, when the maximum UV index can reach values of 15 - 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 Muang Phonsavan UV Index data.

Average daily maximum UV levels by month for Muang Phonsavan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9121314151415151513109