Pu Mat National Park is located in the tropical monsoon, influenced by the Truong Son range to revert the atmosphere to original that cause climate here is splited differently in the region.
- Temperature:
+ Average temperature 23 - 240C, the total thermal power from 8500 - 87000C.
+ Winter time from December to February of the subsequence year due to the influence of northeast monsoon so the average temperature during these months is less than 200C and the average temperature on the lowest below 180C (January).
+ On the contrary, in summer due to the influence of Western Wind the weather is very dry, which lasted up to three months (from April to July). Average summer temperatures above 250C, hottest in June and July, the average temperature is 290C. At high temperatures up to 420C in Con Cuong and in Tuong Duong is 42.70C in April and May, the humidity in these months less than 30% in certain days.
- Wet moisture rain:
+ Regional studies focus on little to moderate rainfall, 90% water concentration in the rainy season, rainfall is in September, October and usually accompanied by floods. Dry season from December to April of the subsequent year. Due to the influence of the northeast monsoon there present the spring rain in February, March and April. May, June, July are the hottest months and the amount of evaporation is highest.
+ Humidity in the air from 85 to 86%, the rainy season up to 90%. However the extremely low value of moisture is usually caused by prolonged hot periods.