Hai Duong

Planning your day in Hai Duong? Check out the latest weather data, detailed forecasts, and visual charts in this section.

The city of Hai Duong in Vietnam features a tropical monsoon climate, characterized by warm weather year-round with distinct wet and dry seasons. Average annual temperatures are comfortable but fluctuate noticeably throughout the year, offering a variety of weather conditions for visitors.

There are two main seasons in Hai Duong. From May to October, there is a hot and humid season, with temperatures peaking often above 30°C, especially in June and July. This period also coincides with the rainy season, with the highest rainfall and most rainy days occurring in August and September. From November to April, a cooler and drier season sets in. Temperatures during this time are more moderate, particularly in December and January, when averages drop to 17-19°C and rainfall is minimal.

When planning a trip to Hai Duong, it’s worth considering these seasonal variations. If you prefer drier and cooler weather, the best time to visit is from November to April. For those who don’t mind the heat and high humidity typical of a tropical summer, the months from May to October are also suitable, though you should be prepared for frequent rain.

The city of Hai Duong has a tropical monsoon climate with distinct seasons and significant temperature fluctuations throughout the year. The hottest months are June and July, when the average temperatures are 30.5°C and 30.0°C respectively. During these months, daily maximums regularly rise above 33°C. Conversely, the coolest months are January (average temperature 17.4°C) and December (average temperature 17.7°C), when nighttime temperatures can drop to an average of 14.2°C - 14.4°C.

The summer period in Hai Duong, which typically covers the months from May to September, is characterized by hot and humid weather. Average temperatures during this time range from 28.5°C in May to a peak of 30.5°C in June. Daytime highs often reach 31.5°C - 33.5°C, which, combined with high humidity due to the increase in rainy days (especially in July and August), creates a sweltering tropical heat. Nighttime temperatures in summer also remain high, rarely dropping below 25°C.

Winter months, from December to February, bring a pleasant coolness to Hai Duong, contrasting sharply with the summer heat. Average temperatures during this period vary from 17.4°C in January to 19.0°C in February. During the day, the air warms up to a comfortable 20-22°C, while at night, the temperature can drop to 14-16°C. Daily temperature fluctuations are more noticeable in winter than in summer, with the difference between daytime highs and nighttime lows reaching up to 6-7°C, especially in December and November, providing refreshing evenings and nights.

The city of Hai Duong experiences a clearly defined seasonality in precipitation. The year can be divided into two main periods: the wet season, which usually lasts from May to October, and the drier season, spanning from November to April. Given the region's temperature range, precipitation primarily falls as rain; snowfall is extremely unlikely here.

The wet season is characterized by a significant increase in both the amount of rainfall and the number of rainy days. The peak occurs in the summer and early autumn months. August is the rainiest month, with an average of 13 mm of precipitation and up to 27 rainy days. It is followed by September (11 mm of precipitation, 24 rainy days) and July (9 mm of precipitation, 23 rainy days). During this period, rain is frequent, sometimes occurring almost daily, especially in August.

In contrast, the dry season brings significantly less precipitation. The driest months are December and January, when the average monthly rainfall is only 1 mm. December also sees the fewest rainy days of the year—about 6. In the other months of the dry season (November, February, March, April), precipitation ranges from 2 to 3 mm, and the number of rainy days varies from 9 to 13, indicating infrequent and usually light rain.

When planning a trip to Hai Duong, it's important to consider the region's weather conditions, which change significantly throughout the year. From May to October, the weather is hot and humid, with average temperatures around 28-30.5°C and peak rainfall from July to September. During this period, your best choice is light, breathable clothing made from natural fabrics like cotton or linen. Be sure to bring a reliable umbrella or a light raincoat, along with quick-drying shoes. Don't forget sunscreen, a hat, and sunglasses to protect against the strong sun.

The period from November to April brings cooler and drier weather to Hai Duong. This is especially noticeable from December to February, when average temperatures hover around 17-19°C, and nightly lows can drop to 14°C. For this time of year, you should pack warmer items: light jackets, sweaters, or fleece hoodies, which will come in handy for evening walks or on cooler days. Dressing in layers is a great idea, allowing you to adapt to temperature changes. Regardless of the season, comfortable shoes for long walks around the city and its surroundings are essential.