Sầm Sơn Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Sầm Sơn.

Climate overview of Sầm Sơn

Temperatures in Sầm Sơn, Thanh Hoa, Vietnam, vary greatly throughout the year. June is the hottest month at 33°C (91°F), while January is the coldest at 21°C (70°F).

With around 1761 mm (69 in) of annual rainfall, Sầm Sơn has a notably wet climate. However, this rainfall is not evenly distributed — the city has a distinct rainy season from July to October. The wettest month is September. Sunshine peaks in July, when the city sees around 7.0 hours of sunshine per day.

Sầm Sơn Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Sầm Sơn — and find the best time to visit.

Monthly Temperature in Sầm Sơn

The climate in Sầm Sơn is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 33°C (91°F) in June. In January, the coolest month of the year, temperatures drop to a pleasant 21°C (70°F).

At night, temperatures range from around 28°C (82°F) in June to 16°C (61°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Sầm Sơn

Sầm Sơn has a notably wet climate with abundant precipitation, recording 1761 mm (69 in) of rainfall per year. Sầm Sơn can be quite wet during September, receiving approximately 354 mm (14 in) of precipitation over 15 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 38 mm (1.5 in) of precipitation spread across 9 rainy days days. For more details, please visit our Sầm Sơn Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Sầm Sơn

Sầm Sơn can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.0 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 1.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Ninh Binh, Vietnam (58 KM, 36 Miles).

Daily hours of sunshine

Data from: Ninh Binh, Vietnam (58 KM, 36 Miles).

Humidity in Sầm Sơn by Month

Best Time to Visit Sầm Sơn

Sầm Sơn's weather is most enjoyable during January, February, March, April, November and December, with comfortable temperatures from 21°C (70°F) to 28°C (82°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 38 mm (1.5 in) and 76 mm (3 in), providing a good balance of sunny and rainy days.

The wettest months are June, July, August, September and October, when precipitation is at its highest.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Sầm Sơn

What is the best time to visit Sầm Sơn?

January, February, March, April, November and December typically offer the most optimal weather in Sầm Sơn. In contrast, June, July, August and September tend to have less optimal conditions. Sầm Sơn has a distinct rainy season from July to October.

What temperatures can I expect in Sầm Sơn?

Daytime highs range from 21°C (70°F) in January to 33°C (91°F) in June. Nighttime lows range from 16°C (61°F) to 28°C (82°F). Temperatures vary considerably through the year.

How much rain does Sầm Sơn get?

Annual rainfall is around 1761 mm (69 in). September is the wettest month with 354 mm (14 in), while February is the driest with 38 mm (1.5 in).

How sunny is Sầm Sơn?

Sầm Sơn receives around 1,631 hours of sunshine per year. July is the sunniest month with 211 hours, while February is the cloudiest with just 45 hours.

Sầm Sơn 3-Day Forecast

Sầm Sơn 3-Day Forecast

Sầm Sơn on the map

Sầm Sơn is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.