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.
This page shows both the average monthly rainfall and the number of rainy days in Yangyang, South Korea. This average is based on long-term data collected between 1990 and 2020. Let's explore the details to provide you with a complete overview.
Yangyang has a relatively rain/snowy climate with high precipitation levels, averaging 1200 mm (47 in) of rain/snowfall annually.
The climate in Yangyang shows significant variation throughout the year. Expect 212 mm (8.3 in) of precipitation during the wettest month July, distributed over 15 rainy days.
In contrast, December offers drier and sunnier days, with around 40 mm (1.6 in) of snow/rainfall over 6 snowy/rainy days.
July, the wettest month, has a maximum daytime temperature of 27°C (81°F). During the driest month December you can expect a temperature of 5°C (41°F). For more detailed insights into the city's temperatures, visit our Yangyang Temperature page.
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Browse day-by-day precipitation records for Yangyang spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across South Korea. You can also select the different months in case you are interested in a specific month.
Yangyang's average annual precipitation is 1200 mm (47 in). Let's compare this to some popular worldwide tourist destinations:
Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.
In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
For more detailed information about Yangyang's weather, including sunshine hours, humidity levels, and temperature data, visit our Yangyang Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Yangyang - and find the best time to visit.
Temperature Rainfall
See the full Yangyang climate overview or explore weather in South Korea.
Where to go in October - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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.
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