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Monthly climate in Dien Bien Phu, Vietnam

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Dien Bien Phu features a humid subtropical climate (Cwa).Temperatures typically range between 16 °C (61 °F) and 25 °C (78 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1777 mm (70.0 inches) and receives 183 rainy days on the 1 mm (0.04 inches) threshold annually.Dien Bien Phu enjoys an average of 3206 hours of sunshine throughout the year, and daylight varies from 10 hours 50 minutes to 13 hours 23 minutes per day.

Monthly average temperatures in Dien Bien Phu, Vietnam §

The warmest months in Dien Bien Phu are May, June and July, with daily mean temperatures ranging from 25 to 25 °C (77 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 17 °C (61 - 63 °F) throughout the day. On average each year, Dien Bien Phu experiences 237 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 Dien Bien Phu, Vietnam.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 30°C
(86°F)		 31°C
(89°F)		 35°C
(95°F)		 36°C
(97°F)		 38°C
(101°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(91°F)		 32°C
(91°F)		 31°C
(89°F)		 30°C
(86°F)		 28°C
(83°F)
Mean maximum 27°C
(81°F)		 30°C
(85°F)		 32°C
(90°F)		 34°C
(93°F)		 34°C
(94°F)		 32°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 32°C
(90°F)		 30°C
(87°F)		 29°C
(85°F)		 27°C
(81°F)
Average high 22°C
(72°F)		 24°C
(75°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(87°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 29°C
(84°F)		 27°C
(80°F)		 25°C
(77°F)		 22°C
(72°F)
Daily mean 16°C
(62°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(73°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(76°F)		 24°C
(76°F)		 22°C
(72°F)		 20°C
(68°F)		 16°C
(61°F)
Average low 12°C
(54°F)		 12°C
(54°F)		 16°C
(61°F)		 18°C
(65°F)		 21°C
(70°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(71°F)		 19°C
(67°F)		 16°C
(61°F)		 12°C
(54°F)
Mean minimum 9°C
(48°F)		 9°C
(48°F)		 13°C
(55°F)		 14°C
(57°F)		 18°C
(64°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 19°C
(67°F)		 16°C
(61°F)		 12°C
(54°F)		 7°C
(44°F)
Minimum 5°C
(42°F)		 6°C
(44°F)		 12°C
(54°F)		 10°C
(50°F)		 15°C
(59°F)		 21°C
(70°F)		 20°C
(69°F)		 20°C
(69°F)		 16°C
(61°F)		 13°C
(57°F)		 11°C
(52°F)		 3°C
(38°F)

Compare climate in Dien Bien Phu with other places

Compare temperature, precipitation, sunshine, UV index in Dien Bien Phu, Vietnam with other places around the world.

Monthly average precipitation in Dien Bien Phu, Vietnam §

Dien Bien Phu usually has the most precipitation in June, July and August, with an average of 27 rainy days and 357 mm (14.1 inches) of precipitation per month.The driest months in Dien Bien Phu are February, November and December. On average, 26 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dien Bien Phu, Vietnam.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) 49 (1.9) 29 (1.2) 50 (2.0) 119 (4.7) 85 (3.4) 262 (10.3) 383 (15.1) 428 (16.8) 217 (8.5) 106 (4.2) 23 (0.9) 25 (1.0)
Average precipitation days (≥ 1 mm) 5 5 11 14 18 26 28 29 21 17 5 4

Monthly sunshine hours in Dien Bien Phu, Vietnam §

The sunniest months in Dien Bien Phu are March, May and October, when the sun shines an average of 9 hours 38 minutes a day.Least sunny months in Dien Bien Phu: January, July and August receive an average of 7 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dien Bien Phu, Vietnam.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 201 257 297 268 316 262 255 247 275 282 263 278
Mean daily daylight hours 10h 58m 11h 25m 12h 1m 12h 38m 13h 8m 13h 23m 13h 16m 12h 49m 12h 14m 11h 37m 11h 6m 10h 50m

Solar UV radiation in Dien Bien Phu, Vietnam §

Dien Bien Phu experiences the highest level of ultraviolet (UV) radiation in May, July 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 9. For more detailed information, check out our hourly Dien Bien Phu UV Index data.

Average daily maximum UV levels by month for Dien Bien Phu, Vietnam.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) 8 10 13 12 15 14 15 14 14 12 9 8