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Climate in Northwest Vietnam

Average daytime and nighttime temperatures


All climate diagrams on this page result from the collected data of the official weather station in Northwest in a height of 676m above sea level. All data correspond to the average monthly values of the last 20 years.


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Northwest is one of the coldest regions in Vietnam with an average daily high temperature of only 27 degrees centigrade. Several months of the year it is warm to hot at temperatures continuously above 25 degrees centigrade, sometimes up to 32 degrees.
Overview: Climate in Vietnam
Daylengths and sun positions in Vietnam
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Northwest
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 8 hours per day, May is the sunniest month in the region of Northwest. In January the sun shines the shortest.
Rainy days per monthRainy days per month in Northwest
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 18 rainy days, August offers the most number of rainy days, and in February the least.
Precipitation in mm/dayPrecipitation in Northwest
The amount of precipitation is measured in millimeters per square meter. Thus, at 2 mm/day, 2 liters of water fall on one square meter within 24 hours. With only 0.82 mm, the least rain falls in December. August, on the other hand, has the most rain.
Map of Northwest

Most important cities in the region »Northwest«

Alone 2 cities with over 100,000 inhabitants are located here. The region has a west-east extension of about 240 km and over 190 km from north to south.

CityPopulationGeo-Position
Sa Pá138,62222° 20' 25"N103° 50' 39"E
Thanh Pho Hoa Binh105,26020° 49' 2"N105° 20' 15"E
Yên Bái96,54021° 43' 22"N104° 54' 41"E
Dien Bien Phu40,28221° 23' 10"N103° 1' 23"E
Lào Cai36,50222° 29' 8"N103° 58' 14"E
Son La19,05421° 19' 32"N103° 55' 8"E


Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.
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