In the first week of January, the continental cold high pressure from January 2 will strengthen again in the North of our country and will continue to strengthen and supplement on January 6-7. The subtropical high pressure mainly operates with the axis passing through the Central region.
In the middle of the month, the continental cold high pressure weakens in the first days, then from about January 18-19, it strengthens down to the North of our country and spreads to the South. The subtropical high pressure still maintains its axis through the Central region.
In the last week of the month, the continental cold high pressure continues to operate and dominate the weather in many areas. The subtropical high pressure tends to gradually raise its axis to the North.
Northeast winds maintain moderate to strong intensity over the offshore sea of the Southeast for most of the month.
Regarding weather, the first and middle weeks of the month are generally cloudy, sunny days, little to no rain. Especially on January 6-7, there is a possibility of scattered showers and thunderstorms, the temperature tends to increase slightly. The last week of the month rain occurs in some places, the temperature fluctuates little.
The average temperature in January changes little compared to December, commonly approximately or higher than the multi-year average. The highest temperature is about 31-34 degrees Celsius, in some places above 34 degrees Celsius; the lowest temperature is 20-26 degrees Celsius, in some places below 20 degrees Celsius.
Total rainfall in January tends to decrease compared to December, commonly approximately or higher than the multi-year average by 5-15%. The number of rainy days is about 1-7 days.
People need to be wary of off-season thunderstorms that can be accompanied by tornadoes, lightning, strong gusts of wind causing danger and property damage. At the same time, note that strong Northeast monsoon activity potentially poses risks for ships when going out to sea.
