Ganghwa Climate by Month
The temperature in Ganghwa can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and cold during the cooler months.
It also has a notably wet climate with much precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
Visitors to Ganghwa can expect significant temperature changes throughout the year. Average daytime temperatures range from a very warm 30°C in August, the warmest time of the year, to a chilly 3°C during cooler months like January. At night, temperatures typically average around -6°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Ganghwa is known for its substantial rain/snowfall, with annual precipitation reaching 1190 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, July receives heavy rainfall, averaging 308 mm of precipitation, recorded across 15 rainy days. In contrast, the drier season, January brings less snow/rainfall, with 19 mm over 6 snowy/rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
While the amount of sunshine in Ganghwa varies throughout the year, all seasons offer their own charm. Enjoy up to 8.1 hours of daily sun in May, and experience slightly darker atmosphere in July, with about 5.4 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Ganghwa.
Relative humidity over the year
The best time of year to visit Ganghwa in South Korea
During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Most rainfall (rainy season) is seen in July and August.
August has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
July tops the wettest month list with 308 mm of rainfall.
January is the driest month with 19 mm of precipitation.
May is the sunniest month with an average of 242 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
