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Monthly climate in Si Ma Cai, Lào Cai, Vietnam

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Si Ma Cai features a humid subtropical climate (Cwa).Temperatures typically range between 13 °C (56 °F) and 25 °C (77 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1734 mm (68.3 inches) and receives 187 rainy days on the 1 mm (0.04 inches) threshold annually.Si Ma Cai enjoys an average of 2947 hours of sunshine throughout the year, and daylight varies from 10 hours 45 minutes to 13 hours 29 minutes per day.

Monthly average temperatures in Si Ma Cai, Lào Cai, Vietnam §

The warmest months in Si Ma Cai are June, July and August, with daily mean temperatures ranging from 24 to 25 °C (76 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 14 °C (56 - 58 °F) throughout the day. On average each year, Si Ma Cai experiences 147 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 Si Ma Cai, Lào Cai, 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 23°C
(73°F)		 27°C
(81°F)		 30°C
(86°F)		 33°C
(92°F)		 35°C
(95°F)		 35°C
(94°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 28°C
(83°F)		 27°C
(81°F)		 24°C
(76°F)
Mean maximum 22°C
(72°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(89°F)		 31°C
(89°F)		 32°C
(89°F)		 30°C
(87°F)		 28°C
(82°F)		 26°C
(79°F)		 23°C
(73°F)
Average high 17°C
(63°F)		 18°C
(65°F)		 23°C
(73°F)		 25°C
(77°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(80°F)		 23°C
(74°F)		 21°C
(70°F)		 17°C
(63°F)
Daily mean 13°C
(56°F)		 14°C
(58°F)		 18°C
(65°F)		 20°C
(69°F)		 23°C
(74°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 23°C
(74°F)		 20°C
(69°F)		 17°C
(63°F)		 13°C
(56°F)
Average low 11°C
(51°F)		 11°C
(52°F)		 15°C
(59°F)		 17°C
(63°F)		 20°C
(68°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 20°C
(69°F)		 18°C
(64°F)		 14°C
(58°F)		 10°C
(50°F)
Mean minimum 6°C
(44°F)		 7°C
(45°F)		 11°C
(51°F)		 12°C
(54°F)		 16°C
(61°F)		 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 18°C
(64°F)		 13°C
(56°F)		 9°C
(49°F)		 5°C
(41°F)
Minimum 3°C
(38°F)		 4°C
(39°F)		 10°C
(49°F)		 8°C
(46°F)		 12°C
(54°F)		 18°C
(65°F)		 18°C
(65°F)		 19°C
(67°F)		 14°C
(57°F)		 11°C
(52°F)		 8°C
(46°F)		 1°C
(34°F)

Compare climate in Si Ma Cai with other places

Compare temperature, precipitation, sunshine, UV index in Si Ma Cai, Lào Cai, Vietnam with other places around the world.

Monthly average precipitation in Si Ma Cai, Lào Cai, Vietnam §

Si Ma Cai usually has the most precipitation in July, August and September, with an average of 26 rainy days and 338 mm (13.3 inches) of precipitation per month.The driest months in Si Ma Cai are February, November and December. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Si Ma Cai, Lào Cai, 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) 42 (1.7) 28 (1.1) 41 (1.6) 92 (3.6) 107 (4.2) 182 (7.2) 329 (12.9) 455 (17.9) 229 (9.0) 156 (6.1) 37 (1.5) 35 (1.4)
Average precipitation days (≥ 1 mm) 6 4 9 13 17 22 28 28 24 20 9 7

Monthly sunshine hours in Si Ma Cai, Lào Cai, Vietnam §

The sunniest months in Si Ma Cai are May, June and August, when the sun shines an average of 9 hours 21 minutes a day.Least sunny months in Si Ma Cai: January, February and December receive an average of 6 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Si Ma Cai, Lào Cai, 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 154 210 259 242 301 276 276 282 273 233 220 215
Mean daily daylight hours 10h 53m 11h 23m 12h 1m 12h 40m 13h 13m 13h 29m 13h 21m 12h 52m 12h 15m 11h 36m 11h 2m 10h 45m

Solar UV radiation in Si Ma Cai, Lào Cai, Vietnam §

Si Ma Cai experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 Si Ma Cai UV Index data.

Average daily maximum UV levels by month for Si Ma Cai, Lào Cai, 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 12 13 14 14 15 14 13 12 9 8