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Monthly climate in Sekong, Laos

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sekong features a tropical monsoon climate (Am). Temperatures typically range between 22 °C (72 °F) and 26 °C (79 °F) through the year, but rarely can drop to 9 °C (49 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 2228 mm (87.7 inches) and receives 214 rainy days on the 1 mm (0.04 inches) threshold annually. Sekong enjoys an average of 3353 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 Sekong, Laos

The warmest months in Sekong are March, April and May, with daily mean temperatures ranging from 26 to 26 °C (79 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 22 to 23 °C (72 - 75 °F) throughout the day. On average each year, Sekong experiences 315 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 Sekong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(93°F)		36°C
(96°F)		37°C
(98°F)		36°C
(96°F)		36°C
(96°F)		33°C
(93°F)		32°C
(91°F)		32°C
(90°F)		32°C
(89°F)		33°C
(93°F)		34°C
(94°F)		34°C
(94°F)
Mean maximum33°C
(91°F)		34°C
(94°F)		35°C
(96°F)		35°C
(95°F)		34°C
(93°F)		32°C
(91°F)		32°C
(89°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(89°F)
Average high29°C
(85°F)		31°C
(88°F)		33°C
(91°F)		32°C
(90°F)		31°C
(88°F)		30°C
(86°F)		28°C
(83°F)		28°C
(83°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		28°C
(83°F)
Daily mean22°C
(73°F)		23°C
(75°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		22°C
(72°F)
Average low17°C
(63°F)		18°C
(64°F)		21°C
(70°F)		22°C
(71°F)		22°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		19°C
(67°F)		17°C
(63°F)
Mean minimum13°C
(56°F)		14°C
(57°F)		18°C
(64°F)		18°C
(65°F)		21°C
(69°F)		22°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		18°C
(64°F)		16°C
(61°F)		13°C
(55°F)
Minimum9°C
(49°F)		11°C
(53°F)		15°C
(59°F)		16°C
(60°F)		18°C
(66°F)		21°C
(70°F)		20°C
(69°F)		20°C
(69°F)		19°C
(67°F)		17°C
(62°F)		15°C
(60°F)		10°C
(51°F)

Compare climate in Sekong with other places

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

Monthly average precipitation in Sekong, Laos

Sekong usually has the most precipitation in July, August and September, with an average of 29 rainy days and 384 mm (15.1 inches) of precipitation per month. The driest months in Sekong are January, February and December. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sekong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)8 (0.3)13 (0.5)64 (2.5)139 (5.5)242 (9.5)256 (10.1)381 (15.0)384 (15.1)387 (15.2)264 (10.4)76 (3.0)15 (0.6)
Average precipitation days (≥ 1 mm)22102229293030281994

Monthly sunshine hours in Sekong, Laos

The sunniest months in Sekong are March, April and December, when the sun shines an average of 10 hours 4 minutes a day. Least sunny months in Sekong: January, July and August receive an average of 7 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sekong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257294315302300268242232262276291309
Mean daily daylight hours11h 18m11h 37m12h 2m12h 28m12h 49m13h 0m12h 55m12h 36m12h 11m11h 46m11h 24m11h 13m

Solar UV radiation in Sekong, Laos

Sekong 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 Sekong UV Index data.

Average daily maximum UV levels by month for Sekong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)11131515151415151413119