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Friday, April 19 2024
Fri, 25 Jul 2014. Last updated Thu, 25 Jun 2015 08:46
Weather in Phong Nha Ke Bang is a typical type of weather in North Central Coast. The average annual temperature ranges from 23 to 25 degrees Celsius. The average temperature between months fluctuates greatly, highest in July (above 29 °C), lowest in January (17 °C). The highest temperature was 41.6°C (in May 1992). The lowest temperature was 41.6 °C (in November 1993). The coldest weather is from December to February. The hottest weather of the year is in June, July and August with an average temperature of 28 °C. Phong Nha Ke Bang is a large area of limestone, thus, the temperature gap between day and night is big. Especially in summer days, the temperature range is above 10 degrees Celsius. In winter, the figure is still over 8 degrees Celsius.
Phong Nha Ke Bang is located in North Central Vietnam with high precipitation (from 2000 to 2500mm). The area near Vietnam-Laos border, the rainfall level reaches up to 3000mm per year. September, October and November are the rainiest months in a year. The total precipitation in rainy season is extremely high, accounting for 88% of the annual rainfall. There are about 135 rainy days in coastal area, while there are about 160 rainy days in mountainous area. The frequency of rainfall accounts for about 20%, and focuses on September and October. Great erosion and flooding usually occur at this time. In dry season, despite low rainfall, the average monthly number of rainy days is at least 10 days. The evaporation is quite high, varying from 1000 to 1300 mm / year. The humidity is moderate (83-84%). In dry season, humidity is much lower (as low as 66-68%), even down to 28% in some days. This is the day when Foehn wind blows from Laos, causing very dry and hot weather, and triggering wildfires.
There are two main monsoon seasons in winter and summer. North-east wind blows from November to January. The south-west wind blowing from Laos is prevented by Truong Son Mountain Range, and then changes into north-west wind. This wind make weather in Phong Nha Ke Bang in summer is hot and dry. The hot dry wind causes difficulties for agricultural production and forest protection. Therefore, climate in Phong Nha Ke Bang is characterized by climate in North Central Vietnam with a hot dry summer.
Phong Nha Ke Bang weather in rainy season witnesses the average temperature ranging around 23°C. During this time, the level of precipitation and humidity is lower. From September to March, the average temperate does not exceed 29°C. The gap between the average high temperature and low temperature is relatively big (from 4°C to 7°C). The highest temperature is seen in December with 29°C in daytime and 23°C in nighttime. Meanwhile, the lowest temperature is recorded in March with 22°C in daytime and 17°C in nighttime. Yet, the biggest gap between temperatures are seen in February with the average high temperature of 27°C and the average low temperature of 16°C. During these months, the precipitation and humidity are extremely high. In dry season, the average temperature in Phong Nha Ke Bang fluctuates around 28 °C, along with high humidity and precipitation. The month of April in Quang Binh sees higher temperature range. The figure becomes higher in the later months. The highest average temperature is seen in July (above 30°C), while the lowest average one is recorded in April (about 20°C). The precipitation and humidity are low during these months.
According to the condition of climate in Quang Binh, the dry season is recommended the best time to travel Phong Nha Ke Bang. During this season, as mentioned above, the weather is dry and less rainy but quite hot. Thus, your visit to Phong Nha Ke Bang will be more convenient without meeting heavy rains of rainy season. In the months of dry season, such natural attractions in Phong Nha Ke Bang as caves, mountains and beaches are preferable places for tourists. You will be facilitated with beautiful sunlight and turquoise water in Nhat Le Beach or lured into the diversity of Phong Nha Ke Bang National Park. Raincoats or umbrellas in your trips to Phong Nha Ke Bang are unnecessary things.
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