Climate and monthly weather forecast
Jecheon, South Korea

Geographically nestled in the heartland of South Korea, Jecheon's weather and climate comports with the Dwa - Humid continental, severe dry winter, hot summer - as per the Köppen climate classification. This city experiences a wide range of weather phenomena throughout the year, with temperatures oscillating from as low as -11.2°C (11.8°F) in winter to as high as 29.2°C (84.6°F) in summer. The presence of different seasons is marked distinctly by variations in sunlight, rainfall, and humidity.

Averaged over the year, rainfall in Jecheon varies from a surprisingly dry 23mm (0.91") in December, to an overwhelmingly wet 374mm (14.72") in July. This amounts to the sheer volume of precipitation in a span of just a few months. On average, rainfall is accompained by humidity that ranges between 58.1% in April and 78.5% in July. As this moisture fluctuates over the year, it becomes a vital factor in shaping the city's overall weather conditions.

Moreover, daylight hours in Jecheon sees a significant shift throughout the year. From a low average of 9.7 hours in December, it gradually increases to peak at 14.7 hours in June. This increased exposure during the summer months, partnered with the high temperatures, leads to a fairly hot and humid season. Sunshine hours follow a similar pattern, staying within the range of 5 hours in December to 7.5 hours in May.

Taking all weather parameters into consideration, the most inviting time to visit Jecheon stretches from April to June. During this span, temperatures are comfortably warm, ranging from 2.9°C (37.2°F) to 26.8°C (80.2°F), but not overwhelmingly hot. The rainfall during these months remains moderate between 56mm (2.2") to 154mm (6.06"), thus providing a comfortable climate for tourists to explore the city. Additionally, the city exudes more sunshine—from a high of 7.2 hours in April that further increases to 7.5 years in May.

On the opposite end of the spectrum, July to September might not be the best time to plan a visit to Jecheon. This period is often characterized by torrential rain, with volumes reaching up to 374mm (14.72") in July and 294mm (11.57") in August. The extreme rainfall is coupled with the highest average temperatures of the year, peaking at 29.2°C (84.6°F) in August, and high levels of humidity (77.1% to 78.5%). These conditions might prove challenging for outdoor activities and travel.

Transitioning from the freezing winter, March arrives as the beginning of spring in Jecheon. The average monthly temperatures rapidly swing from -2.8°C (27°F) in March to a warm 18.2°C (64.8°F) in April, signaling the start of a more pleasant season. During this period, the daylight hours increase consistently, suggesting longer days. Rainfall also remains relatively less, ranging from 56mm (2.2") in March to 76mm (2.99") in April.

Summer enters with a wave of warmth and humidity, commencing in May with temperatures climbing to 23.1°C (73.6°F) and proceeding to touch a high of 29.2°C (84.6°F) in August. This period witnesses the maximum rainfall of the year, with volumes soaring to 374mm (14.72") in July. With humidity floating around the 77% mark, the summer months are both hot and wet.

As summer retreats, autumn takes over in September, presenting a gradual drop in temperatures, from 25°C (77°F) at the start to 11.1°C (52°F) by November. This decline makes the weather in these months more relaxing and enjoyable. However, despite the comfortable temperatures, October still receives a considerable amount of rainfall, which diminishes to a paltry 42mm (1.65") by November.

Jecheon endures a cold, severe winter from December to February, with temperatures rapidly falling to an average low of -11.2°C (11.8°F) in January. Snow is common during these months, and while the average daylight hours decrease, the sun still shines for approximately 5.1 hours in December to a low of 5 hours in January. Despite being the driest part of the year, the city records a low average rainfall from 23mm (0.91") to 29mm (1.14").

Shift from the cold climatic conditions of December to January, and the temperatures tend to drop. The landscape of Jecheon gets covered in a white blanket of snow, and the city embraces the shivering cold. The temperatures range from -11.2°C (11.8°F) to 1.3°C (34.3°F) during this time. Weather in January »

As the calendar flips to February, Slow changes can be noticed in the chilly weather. The snow starts to melt making way for the milder weather of winters end. Although the temperatures shift from -8.4°C (16.9°F) to 4.4°C (39.9°F), the bitter cold of January still lingers. Weather in February »

March observes a better climate, making it an excellent time for outdoor activities. The temperatures rise further, oscillating from -2.8°C (27°F) to 10.3°C (50.5°F). These comfortable temperatures are supplemented by 56mm (2.2") of spread out rainfall over the month. Weather in March »

In April, spring brings a notable boost in temperature, giving residents a welcome relief from the chill. Soft breezes accompany the climbing mercury levels and the city starts to bloom under the pleasant weather. The arriving warmth sees the temperatures range from 2.9°C (37.2°F) to 18.2°C (64.8°F). Weather in April »

May carries the mild atmosphere of April over, while gradually warming up the city. A refreshing time for the residents, it portrays a transition from spring to early summer. Temperature shifts from 9.2°C (48.6°F) to 23.1°C (73.6°F), indicating the oncoming heat. Weather in May »

Summer announces its presence in June, with the city plunging into heat. The rising temperatures encourage inhabitants to pull out their summer clothing. The noticeable increase in the humidity levels to 69.6% signifies the start of the humid summer. Weather in June »

With July, monsoon sets in, bringing ample rainfall, measuring up to 374mm (14.72"), over 15.6 days. The city encounters its highest temperatures and humidity, augmenting the classic summer discomfort. Residents usually prefer staying indoors on such rainy days. Weather in July »

August continues the rainfall saga of July, with an average precipitation of 294mm (11.57"). Although a tad lower than that of the previous month, it still makes the city wet and humid. A keen look at the temperature reveals a range from 19.6°C (67.3°F) to 29.2°C (84.6°F). Weather in August »

September brings a sigh of relief for the residents, as the rainfall recedes and the temperatures mellow down. A noticeable decrease in rainfall to 161mm (6.34") over 8.8 days makes outdoor activities feasible. With autumn setting in, the city adorns a vibrant color palette, marking a beautiful transition from summers to falls. The advent of September brings a slight shift in average high-temperature, moving from a warm 29.2°C (84.6°F) in August to a still moderately hot 25°C (77°F). Weather in September »

October sees a reduction in rainfall to just 52mm (2.05"). It brings with it the dry chill of autumn, indicating the arrival of colder months. A range of temperatures from 5°C (41°F) to 19.4°C (66.9°F) gives residents an opportunity to revel in the crisp fall weather. Weather in October »

Weather in November is notably colder than its predecessor. A brisk wind starts to blow, bringing the temperatures down to -1.7°C (28.9°F) at the lowest and 11.1°C (52°F) at the highest. With a significant decrease in daylight hours, the city starts preparing for the oncoming winter. With the onset of November, Jecheon's average high-temperature witnesses a clear drop, receding from October's refreshing 19.4°C (66.9°F) to a fresh 11.1°C (52°F). Weather in November »

The onset of December announces the arrival of winter in Jecheon, South Korea. The cool air becomes significantly colder, with temperatures slipping to -8°C (17.6°F) at the lowest and marking 4°C (39.2°F) at the highest. The city's landscape turns white as light snowfall begins towards the end of the month, setting the stage for the upcoming January freeze. The onset of December in Jecheon, South Korea, coincides with a reduction in the average high-temperature, falling from a fresh 11.1°C (52°F) in November to an icy 4°C (39.2°F). Weather in December »