Sosan Weather & Climate: Best Time to Visit

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

Climate overview of Sosan

Sosan, South Korea, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 4°C (39°F).

With around 1150 mm (45 in) of annual rain/snowfall, Sosan has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has a distinct dry season from December to February. The wettest month is July. The sunniest month is May, with 8.0 hours of sunshine per day on average.

Sosan Weather by Month

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

Monthly Temperature in Sosan

Visitors to Sosan can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 30°C (86°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).

At night, temperatures range from around 23°C (73°F) in August to -3°C (27°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Sosan

Sosan is known for its substantial rain/snowfall, with annual precipitation reaching 1150 mm (45 in). Sosan can be quite wet during July, receiving approximately 247 mm (9.7 in) of precipitation over 15 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 29 mm (1.1 in) of precipitation spread across 10 snowy/rainy days days. For more details, please visit our Sosan Precipitation page.

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

Sunshine Hours in Sosan

Sosan can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 8.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Water Temperature in Sosan

The mean water temperature over the year ranges from 5°C (41°F) in March to 25°C (77°F) in August.

Water temperature over the year

Humidity in Sosan by Month

Wind Speed in Sosan

Best Time to Visit Sosan

During May, June, September and October, Sosan experiences its most favorable weather, with temperatures between 21°C (69°F) and 26°C (80°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 56 mm (2.2 in) and 140 mm (5.5 in).

Plan accordingly for July and August, when conditions bring the heaviest precipitation.

Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.

Frequently asked questions about the climate in Sosan

What is the best time to visit Sosan?

May and October typically offer the most optimal weather in Sosan. In contrast, January, February, August and December tend to have less optimal conditions. Sosan has a distinct dry season from December to February.

What temperatures can I expect in Sosan?

Daytime highs range from 4°C (39°F) in January to 30°C (86°F) in August. Nighttime lows range from -3°C (27°F) to 23°C (73°F). Temperatures vary considerably through the year.

How much rain does Sosan get?

Annual rainfall is around 1150 mm (45 in). July is the wettest month with 247 mm (9.7 in), while January is the driest with 29 mm (1.1 in).

How sunny is Sosan?

Sosan receives around 2,229 hours of sunshine per year. May is the sunniest month with 241 hours, while December is the cloudiest with just 142 hours. Overall, Sosan enjoys abundant sunshine.

Sosan 3-Day Forecast

Sosan 3-Day Forecast

Sosan on the map

Sosan is highlighted — select any city to see its climate.

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