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Monthly climate in Lamam, Laos

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Lamam features a tropical monsoon climate (Am). Temperatures typically range between 23 °C (73 °F) and 28 °C (82 °F) through the year, but rarely can drop to 10 °C (51 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1772 mm (69.7 inches) and receives 179 rainy days on the 1 mm (0.04 inches) threshold annually. Lamam enjoys an average of 3395 hours of sunshine throughout the year, and daylight varies from 11 hours 13 minutes to 13 hours 0 minutes per day.

Monthly average temperatures in Lamam, Laos

The warmest months in Lamam are March, April and May, with daily mean temperatures ranging from 27 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 23 to 25 °C (73 - 76 °F) throughout the day. On average each year, Lamam experiences 320 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 Lamam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(95°F)		37°C
(99°F)		39°C
(102°F)		38°C
(101°F)		38°C
(101°F)		35°C
(95°F)		35°C
(95°F)		33°C
(92°F)		33°C
(92°F)		35°C
(95°F)		36°C
(97°F)		35°C
(95°F)
Mean maximum34°C
(93°F)		35°C
(96°F)		37°C
(100°F)		37°C
(99°F)		36°C
(97°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		33°C
(91°F)		33°C
(92°F)		33°C
(92°F)		33°C
(91°F)
Average high31°C
(87°F)		32°C
(90°F)		34°C
(94°F)		34°C
(94°F)		33°C
(92°F)		31°C
(89°F)		30°C
(85°F)		29°C
(85°F)		30°C
(87°F)		30°C
(87°F)		30°C
(87°F)		29°C
(85°F)
Daily mean23°C
(74°F)		25°C
(77°F)		27°C
(82°F)		28°C
(82°F)		27°C
(82°F)		27°C
(81°F)		26°C
(79°F)		26°C
(78°F)		26°C
(79°F)		25°C
(78°F)		25°C
(76°F)		23°C
(73°F)
Average low18°C
(64°F)		18°C
(65°F)		22°C
(71°F)		23°C
(73°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(71°F)		20°C
(68°F)		18°C
(65°F)
Mean minimum14°C
(57°F)		14°C
(58°F)		18°C
(65°F)		19°C
(67°F)		22°C
(71°F)		22°C
(72°F)		22°C
(71°F)		22°C
(71°F)		21°C
(71°F)		18°C
(65°F)		16°C
(62°F)		13°C
(56°F)
Minimum11°C
(51°F)		12°C
(54°F)		16°C
(60°F)		16°C
(62°F)		19°C
(67°F)		22°C
(71°F)		21°C
(71°F)		21°C
(71°F)		20°C
(69°F)		17°C
(63°F)		15°C
(60°F)		10°C
(51°F)

Compare climate in Lamam with other places

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

Monthly average precipitation in Lamam, Laos

Lamam usually has the most precipitation in July, August and September, with an average of 28 rainy days and 341 mm (13.4 inches) of precipitation per month. The driest months in Lamam 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 Lamam. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)4 (0.2)6 (0.2)27 (1.1)58 (2.3)144 (5.7)190 (7.5)323 (12.7)325 (12.8)374 (14.7)234 (9.2)75 (3.0)12 (0.5)
Average precipitation days (≥ 1 mm)0161222262830261783

Monthly sunshine hours in Lamam, Laos

The sunniest months in Lamam are March, April and May, when the sun shines an average of 9 hours 58 minutes a day. Least sunny months in Lamam: January, July and August receive an average of 8 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lamam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours253293314301301285263259266270285300
Mean daily daylight hours11h 18m11h 37m12h 2m12h 28m12h 50m13h 0m12h 55m12h 36m12h 11m11h 46m11h 24m11h 13m

Solar UV radiation in Lamam, Laos

Lamam experiences the highest level of ultraviolet (UV) radiation in April, May and August, 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 / 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 Lamam UV Index data.

Average daily maximum UV levels by month for Lamam. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10131515151415151413119