Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
Suwon Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Suwon.
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Climate overview of Suwon
Suwon is located in northwestern South Korea, in Gyeonggi Province. The city has a continental climate, with cold winters and hot summers. Summers are and hot and humid, this combination also causes high humidity. Tropical storms and hurricanes can occur in late summer and fall.
Winters are cold and from time to time even severe, and during the coldest time of the year the temperature rarely rises above freezing.
Suwon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Suwon - and find the best time to visit.
Monthly Temperature in Suwon
The climate in Suwon is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 4°C (39°F) in January.
Nighttime temperatures range from 22°C (72°F) in August to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Suwon
Suwon has a notably wet climate with abundant precipitation, recording 1185 mm (47 in) of rain/snowfall per year. The seasons in Suwon bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 289 mm (11 in) of precipitation. This rainfall is distributed across 16 rainy days.
In contrast, the driest month, January, experiences much less snow/rainfall, totaling 23 mm (0.9 in) over 8 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Suwon Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Suwon
In Suwon, summer days are longer and more sunny, with daily sunshine hours peaking at 7.5 hours in May. As the darker season arrives, the brightness of the sun becomes less. July sees a soft sun for only 4.1 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Seoul, South Korea (31 KM, 19 Miles).
Daily hours of sunshine
Data from: Seoul, South Korea (31 KM, 19 Miles).
Daily percentage of sunshine
Data from: Seoul, South Korea (31 KM, 19 Miles).
Humidity in Suwon by Month
The relative humidity is high throughout the year in Suwon.
The city experiences its highest humidity in July, reaching 77%. In February, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Seoul, South Korea (31 KM, 19 Miles).
Best Time to Visit Suwon
For comfortable weather, consider visiting Suwon in May and October. Conditions are usually least favourable in January, February, July and August.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
very good
May
excellent
Jun
very good
Jul
very wet
Aug
very wet
Sep
very good
Oct
excellent
Nov
mixed
Dec
mixed
- Best overall: May and October
- Warmest weather: July and August
- Most sunshine: May
- Wettest months: June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from December to February, with very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Suwon
What is the best time to visit Suwon?
May and October typically offer the most optimal weather in Suwon. In contrast, January, February, July and August tend to have less optimal conditions. Suwon has a distinct dry season from December to February, with very warm summers and cold winters.
What temperatures can I expect in Suwon?
Daytime highs range from 4°C (39°F) in January to 31°C (88°F) in August. Nighttime lows range from -6°C (21°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Suwon get?
Annual rainfall is around 1185 mm (47 in). July is the wettest month with 289 mm (11 in), while January is the driest with 23 mm (0.9 in).
How sunny is Suwon?
Suwon receives around 2,148 hours of sunshine per year. May is the sunniest month with 225 hours, while July is the cloudiest with just 124 hours. Overall, Suwon enjoys abundant sunshine.
Suwon 3-Day Forecast
Suwon on the map
Suwon is highlighted - select any city to see its climate.
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Mud festival in South Korea
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