Climate and monthly weather forecast
Jeonju, South Korea

Resting in the southwest corner of the Korean peninsula, Jeonju experiences a Humid continental climate, classified as Dfa under the Köppen climate classification. The city faces distinctly four seasons, each with unique weather conditions. Throughout the year, the temperature fluctuates drastically, from the chilling -4.6°C in winter months to the scorching 31°C in the peak of summer.

Examining the climate data reveals significant variations in the weather parameters. Maximum daytime temperatures consistently increase from 4.4°C in January, reaching a peak of 31°C in August, before embarking on a steady descent towards year-end. Night temperatures fluctuate in a similar pattern, from -4.6°C in January to 22.6°C in August. The city is subject to high humidity levels, varying slightly throughout the year, with the highest levels recorded in July at 77.5%.

Rainfall in Jeonju presents an interesting pattern. The city experiences a moderate level of rainfall throughout the year, including drier winters with a low of 31mm in December. However, the volume of rainfall increases between May and September. As a point of interest, July and August have the highest precipitation levels, with an average rainfall of 300mm and 278mm, respectively. These months also record higher rainfall days, reaching a peak of 15.9 days in July.

Owing to the temperate conditions and moderate rainfall, spring (April to June) and autumn (September to November) are considered the most desirable periods to visit Jeonju. During these months, the city encounters daytime temperatures from 12.4°C to 21.5°C, with nighttime temperatures falling between 1.2°C to 9.8°C. Rainfall is neither excessively harsh nor scarce, creating a comfortable environment for outdoor activities.

Travelers planning a trip to Jeonju might wish to avoid the scorching summer months of July and August. During these months, the city swelters under soaring temperatures from 27.9°C to 31°C during the day and sizzling hot nights between 22.4°C to 22.6°C. In addition, these months experience the highest rainfall volumes of 300mm and 278mm with 15.9 and 15.5 days of rainfall, potentially disrupting travel plans.

The spring season in Jeonju commences in March, with temperatures climbing steadily from 12.4°C to 19.6°C in the daytime and 1.2°C to 6.7°C at night. Relative humidity levels are at their lowest during these months at around 63.7% to 60.6%. Rainfall during the season also remains manageable, with an average precipitation of 54mm in March to 77mm in May, making it an ideal time for touring the city and surrounding regions.

Summer in Jeonju starts in June, with temperatures steadily rising from 24.5°C in the daytime to a sweltering high of 31°C in August. Nighttime temperatures also stay relatively high, fluctuating from 17.8°C to a hot 22.6°C. The humidity levels surge, reaching 71.3% in June and peaking at 77.5% in July, making the season muggy and uncomfortable.

Autumn is a pleasant season in Jeonju, starting in September. Daytime temperatures moderate from a high of 27°C and steadily cool to 13.9°C by November. Evening temperatures also follow a similar cooling trend, dipping from 17.1°C to 3.5°C. The city receives less rainfall during this period, with precipitation levels dropping from 138mm in September to 50mm in November.

From December to February is the winter season in Jeonju. The city encounters a substantial temperature drop, with daytime temperatures plummeting from 7.1°C to 4.4°C and nighttime temperatures falling between -2.2°C to -4.6°C. Despite the chilly atmosphere, winters in Jeonju bring less rainfall, with the average precipitation recorded at 31mm in December, making it the driest month of the year.

The beginning of the year in Jeonju, South Korea brings along frigid conditions with the temperature hitting a low at -4.6°C. This month is considered to be the coldest in the whole calendar year. The city experiences modest amounts of sunshine while the humidity is relatively high. Weather in January »

Coming from the coldest month, February shows a slight increase in the temperature giving a hint of warmth amidst the winter season. This month features moderately increased sunshine compared to January, indicating a gradual transition towards spring. Weather in February »

The arrival of spring is marked by balmy weather in March, a stark contrast to the previous winter months. Sunshine and daylight noticeably increase compared to January and February. As the spring season takes over, bursts of color appear throughout the city, with cherry blossoms and tulips dotting Jeonju's parks and streets. Weather in March »

The transition from the brisk March temperatures to the warmer hues of April is significant in Jeonju. The climb in mercury on the thermometer is paired with an increase in rainfall, making April one of the rainier months of the year. Weather in April »

May is often recognized as the beginning of summer in Jeonju, presenting a noticeable increase in temperature. The atmosphere carries increased moisture, signaling the beginning of a humid climate. Rainfall also heightens during this month, providing a much-needed respite from the increasingly warm temperatures. Weather in May »

As summer takes full swing in June, residents brace for hot and humid conditions, imposing a few limitations on outdoor activities. Despite this, there is an added beauty to Jeonju with brightly lit days and earthy, fresh summer rain. Weather in June »

July introduces the highest temperatures of the year, reaching as high as 30.2°C in Jeonju. Marking the peak of summer, this month has the longest daylight hours of the year. This warm month, however, accompanies torrential rainy days, and increased humidity. Weather in July »

Leading from the warmest month, August maintains the summer heat with a slightly reduced maximum temperature. The scenery continues to be lush and vibrant, proving that the increased rainfall from July to August 278mm works wonders for the local flora. Weather in August »

A common favorite among residents, September marks the onset of autumn in Jeonju with temperature and rainfall decreasing from the summer highs. A wide array of vibrant autumn hues ranging from yellow to deep red makes an appearance as leaves begin to change color. Weather in September »

Autumn firmly establishes itself in October, bringing a sense of tranquility to the city of Jeonju. The rainfall drops considerably, making it the driest period of the year when compared to the preceding wet months. The temperatures too, drop noticeably from the summer months, marking a significant shift in the weather. Weather in October »

November often signals the onset of the colder months in Jeonju, with a noticeable decrease in temperature. As the city transitions from autumn to early winter, the days become noticeably shorter, and the number of sunny hours reduces. Weather in November »

The year ends on a colder note in Jeonju, with the temperature dropping to a chilly -2.2°C towards the end of the month. Despite the increased cold, a modest increase in sunshine hours compared to November marks December. A unique feature of this month is the possibility of witnessing a beautiful white Christmas with the onset of snowfalls. Weather in December »