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.
Gwangmyeong Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gwangmyeong.
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Climate overview of Gwangmyeong
Gwangmyeong, Gyeonggi-do, South Korea, is known for Gwangmyeong Cave and is popular with families and day-trippers. Temperatures here can vary significantly throughout the year, ranging from very warm in the summer to cold in the winter months. The area also has a relatively wet climate, with high levels of rainfall and occasional snowfall. Now, let’s break down the climate details for a clearer picture.
Gwangmyeong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gwangmyeong - and find the best time to visit.
Monthly Temperature in Gwangmyeong
Visitors to Gwangmyeong can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a chilly 3°C (37°F) in January.
Nighttime temperatures range from 23°C (73°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 Gwangmyeong
Gwangmyeong is known for its substantial rain/snowfall, with annual precipitation reaching 1216 mm (48 in). The seasons in Gwangmyeong bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 307 mm (12 in) of precipitation. This rainfall is distributed across 16 rainy days.
In contrast, the driest month, January, experiences much less snow/rainfall, totaling 21 mm (0.8 in) over 7 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Gwangmyeong 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 Gwangmyeong
In Gwangmyeong, 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 (13 KM, 8 Miles).
Daily hours of sunshine
Data from: Seoul, South Korea (13 KM, 8 Miles).
Daily percentage of sunshine
Data from: Seoul, South Korea (13 KM, 8 Miles).
Humidity in Gwangmyeong by Month
The relative humidity is high throughout the year in Gwangmyeong.
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 (13 KM, 8 Miles).
Wind Speed in Gwangmyeong
The mean wind speed over the year ranges from 2 m/s (4 knots) in January, February, March, May, June, July, August, September, October, November and December to 3 m/s (6 knots) in April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Seoul, South Korea (13 KM, 8 Miles).
Best Time to Visit Gwangmyeong
The most comfortable overall weather for exploring Gwangmyeong is usually found in May and October. Conditions are generally least comfortable in January, 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
mixed
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 March, 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 Gwangmyeong
What is the best time to visit Gwangmyeong?
May and October typically offer the most optimal weather in Gwangmyeong. In contrast, January, July and August tend to have less optimal conditions. Gwangmyeong has a distinct dry season from December to March, with very warm summers and cold winters.
What temperatures can I expect in Gwangmyeong?
Daytime highs range from 3°C (37°F) in January to 30°C (86°F) in August. Nighttime lows range from -6°C (21°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Gwangmyeong get?
Annual rainfall is around 1216 mm (48 in). July is the wettest month with 307 mm (12 in), while January is the driest with 21 mm (0.8 in).
How sunny is Gwangmyeong?
Gwangmyeong 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, Gwangmyeong enjoys abundant sunshine.
Gwangmyeong 3-Day Forecast
Gwangmyeong on the map
Gwangmyeong is highlighted - select any city to see its climate.
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