Climate and monthly weather forecastGwangju, South Korea
Gwangju, South Korea - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. The month with the most snowfall in Gwangju, South Korea, is January, when snow falls for 5.1 days and typically aggregates up to 14mm (0.55") of snow. The month with the longest days in Gwangju, South Korea, is June, with an average of 14h and 30min of daylight.
Climate and monthly weather forecast
The climate of Gwangju
With a classification of Cfa by Köppen's climate system, Gwangju, South Korea, exists within a humid subtropical zone with no distinctive dry season. This climate category is inherently defined by high humidity and a considerable amount of precipitation.Throughout the year, the weather parameters display considerable variation, with temperatures dipping to lows of -3.3°C (26.1°F) in January with highs of 29.8°C (85.6°F) being recorded in August. The yearly average relative humidity ranges from 65% in February and March to 84% in July. Precipitation is a constant throughout the year with rainfall measurements of 89mm (3.5") in July to as low as 10mm (0.39") in December. Snowfall is restricted to January and December with 14mm (0.55") and 12mm (0.47") logged respectively.
The city enjoys generous sunlight with average daylight hours peaking at 14.5 hours in June and waning to as low as 9.8 hours in December. This is closely associated with the sunshine days, which reach a high of 24.5 days in October and a low of 11.8 days in July.
The best time to visit Gwangju
A perfect moment to experience Gwangju's best climatic profile falls between April and June. Despite the precipitation levels shifting from 25mm (0.98") to 54mm (2.13") during these months, the temperatures remain mild and pleasant, moving from 16.9°C (62.4°F) to 26.3°C (79.3°F). At this time of year, relative humidity ranges from 66% to 75%, with comfortable levels of sunshine spanning 8.4 hours to 9.1 hours daily, alongside an adequate UV index that indicates moderate exposure.The worst time to visit Gwangju
The adverse conditions experienced in Gwangju typically occur in the month of July. Despite temperatures reaching attractive highs of 28.3°C (82.9°F), the month is characterized by high humidity levels of 84%, the highest recorded across the entire year. This month also experiences the highest precipitation rates with rainfall reaching a massive 89mm (3.5") in the span of 16.9 days. The decreased sunshine to 7.7 hours accompanied by a high UV index exacerbated by the humidity makes this month especially cumbersome for visitors.Spring weather in Gwangju
Spring in Gwangju, occurring from March to May, brings a refreshing shift from the cold of winter. Temperatures perk up from lows of 2.1°C (35.8°F) to pleasant highs of 22.8°C (73°F) in May. Rainfall starts to increase in this season as well, with precipitation growing from 17mm (0.67") in March to 41mm (1.61") by the end of spring. Concurrently, daylight hours extend from 12 hours in March to 14 hours in May with an average relative humidity of approximately 67%.Summer weather in Gwangju
Summer, spanning from June through August, sees an escalation in temperatures to scorching highs between 26.3°C (79.3°F) and 29.8°C (85.6°F). Humidity levels rise significantly during this time, peaking at 84% in July. Rainfall also surges, reaching its zenith at 89mm (3.5") in July. Despite the limited sunshine hours and increased cloud coverage, daylight hours remain fairly static at a comfortable range of 14 hours to 14.5 hours.Autumn weather in Gwangju
Autumn ushers in mild weather from September to November. Temperatures gently recede from highs of 25.2°C (77.4°F) to 13.1°C (55.6°F). Rainfall decreases noticeably from 40mm (1.57") in September to 11mm (0.43") in November. Clear skies are abundant as the percentage of cloud coverage reduces to a yearly low of 26% in October. Sunshine days peak to 24.5 in October, offering pleasant conditions under a light UV index.Winter weather in Gwangju
Winter in Gwangju, lasting from December through February, is characterized by low temperatures that oscillate between -3.3°C (26.1°F) and 6.3°C (43.3°F). The period is relatively dry with just 11mm (0.43") rainfall in December eventually reaching 12mm (0.47") in February. Sunshine hours are at their minimum, dropping to 5.1 hours in December. The visibility remains at a consistent 10km (6.2mi) throughout the season, making it relatively clear despite the cold weather conditions.Weather in January
Gwangju, South Korea, greets the new year draped in a wintry shroud of cold and snow. Throughout January, it remains distinctly colder than December, with temperatures plunging to their lowest at -3.3°C (26.1°F). Overcast skies, cloud cover reaching 44%, and reduced daylight hours set a quintessential backdrop for a chilly Korean winter scene. Weather in January »Weather in February
In Gwangju, research data indicates that February showcases a noticeable uptick in weather warmth compared to January. Temperature highs are recorded to reach 6.3°C (43.3°F), making outdoor activity more feasible for locals and tourists alike. Weather in February »Weather in March
With the arrival of March, Gwangju bids farewell to the last vestiges of winter and makes a beeline for spring-like conditions. Notable is the fact that the daily temperature starts roaming between 2.1°C (35.8°F) to 11.4°C (52.5°F), signifying a clear departure from the biting cold of February. Weather in March »Weather in April
In April, Gwangju transitions into a season of bright, clear skies, and warmer temperatures. The clime becomes noticeably different from March, with the mercury rising to a comfortable 16.9°C (62.4°F) during the day. Prolonged daylight hours allow for increased outdoor exploration and events. Weather in April »Weather in May
May heralds the advent of summer with significantly warmer afternoons. The temperature ticks upwards, hitting an average high of 22.8°C (73°F), a reasonable jump from April's peak levels. May's abundant sunlight in Gwangju beckons outdoor enthusiasts to parks and riversides for picnics and barbecues. Weather in May »Weather in June
In June, Gwangju moves into the full swing of summer with hot and humid weather. The warmest month of the first half of the year, life in the city begins to adjust to this heat-dominated pattern. Citizens cool off at the city's many pools and water parks as the sunny weather becomes a constant. Weather in June »Weather in July
Amidst the sweltering summer heat, Gwangju in July transforms into a city of parasols. Recorded temperatures hit a high of 28.3°C (82.9°F), surpassing the peak in June and marking it as the warmest month of the year. July's torrential downpours make their presence felt, leading to sudden bouts of rainfall. Weather in July »Weather in August
August falls smack in the middle of Gwangju's hot and humid season, with a slight amplification from July’s warmth, reaching a high of 29.8°C (85.6°F). Residents often escape the sizzling afternoons in air-conditioned malls or splash around in the city's swimming complexes to beat the heat. Weather in August »Weather in September
September in Gwangju marks a retreat from the high heat of summer towards more moderate temperatures. This change significantly contrasts from August’s soaring highs, with the mercury dipping to a maximum of 25.2°C (77.4°F). Weather in September »Weather in October
In October, Gwangju braces for another weather transformation as autumn sets in thoroughly. The shift from September is evident from a stark drop in daytime temperatures, which now hover around 19.7°C (67.5°F). October gives locals and tourists alike a chance to explore the scenic beauty of the city, adorned with rich autumn foliage. Weather in October »Weather in November
Weather patterns in November guide Gwangju into a phase of significant temperature drops, signaling the onset of winter. The arrival of cold air from the north sees November temperatures drop dramatically from the amiable levels of October, with a maximum of 13.1°C (55.6°F) recorded. Weather in November »Weather in December
Finally, Gwangju transforms into a winter wonderland in December with temperatures plunging to a maximum of 5.5°C (41.9°F) from the November chill. The city’s inhabitants take to bundling up and heating homes as the cold continues to intensify. Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, having an average high-temperature of 3.5°C (38.3°F) and an average low-temperature of -3.3°C (26.1°F), is the coldest month in Gwangju, South Korea.
In Gwangju, South Korea, during the entire year, the rain falls for 105 days and collects up to 417mm (16.42") of precipitation.
January through March and December are months with snowfall.
The month with the most snowfall in Gwangju, South Korea, is January, when snow falls for 5.1 days and typically aggregates up to 14mm (0.55") of snow.
In Gwangju, South Korea, during the entire year, snow falls for 14.3 days and aggregates up to 33mm (1.3") of snow.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the lowest humidity are February and March, with an average relative humidity of 65%.
In Gwangju, South Korea, snow does not fall in April through November.
With an average of 9.6h of sunshine, May has the most sunshine of the year in Gwangju, South Korea.
The month with the longest days in Gwangju, South Korea, is June, with an average of 14h and 30min of daylight.
With an average relative humidity of 84%, July is the most humid month in Gwangju, South Korea.
July is the month with the most rainfall in Gwangju, South Korea. Rain falls for 16.9 days and accumulates 89mm (3.5") of precipitation.
With an average maximum UV index of 7, July is the month with the highest UV index.
August, with an average high of 29.8°C (85.6°F) and a low of 21.8°C (71.2°F), signifies the warmest month of the year.
December is the month with the least rainfall. Rain falls for 5.3 days and accumulates 10mm (0.39") of precipitation.
December has the shortest days of the year in Gwangju, South Korea, with an average of 9h and 48min of daylight.
Gwangju, South Korea, does not utilize Daylight Saving Time (DST). KST timezone is used throughout the entire year.
The month with the least sunshine in Gwangju, South Korea, is December, with an average of 5.1h of sunshine.
Average temperature
Gwangju, South Korea
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (3.5°C).
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure
Gwangju, South Korea
- Average pressure in January:
1025mbar - Average pressure in February:
1023.3mbar - Average pressure in March:
1020.1mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1011.9mbar - Average pressure in June:
1007.8mbar
- Average pressure in July:
1007.2mbar - Average pressure in August:
1008.1mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1018.9mbar - Average pressure in November:
1022.1mbar - Average pressure in December:
1024.1mbar
The month with the highest atmospheric pressure is January (1025mbar).
The month with the lowest atmospheric pressure is July (1007.2mbar).
Average wind speed
Gwangju, South Korea
- Average wind speed in January:
11.1km/h - Average wind speed in February:
11.6km/h - Average wind speed in March:
11.1km/h - Average wind speed in April:
10.2km/h - Average wind speed in May:
9.4km/h - Average wind speed in June:
7.7km/h
- Average wind speed in July:
8.7km/h - Average wind speed in August:
8.2km/h - Average wind speed in September:
7.1km/h - Average wind speed in October:
8.4km/h - Average wind speed in November:
9.6km/h - Average wind speed in December:
11.4km/h
The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is September (7.1km/h).
Average humidity
Gwangju, South Korea
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are February and March (65%).
Average rainfall
Gwangju, South Korea
The wettest month (with the highest rainfall) is July (89mm).
The driest month (with the least rainfall) is December (10mm).
Average rainfall days
Gwangju, South Korea
- Average rainfall days in January:
6 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
8.7 days - Average rainfall days in May:
7.2 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
5.6 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
5.3 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is December (5.3 days).
Average snowfall
Gwangju, South Korea
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Gwangju, South Korea
- Average snowfall days in January:
5.1 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Gwangju, South Korea
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
7h and 12min - Average sunshine in March:
7h and 54min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 36min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
7h and 42min - Average sunshine in August:
8h and 54min - Average sunshine in September:
7h and 48min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 6min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Gwangju, South Korea
- Average sunshine days in January:
22.6 days - Average sunshine days in February:
20.7 days - Average sunshine days in March:
21.8 days - Average sunshine days in April:
21.1 days - Average sunshine days in May:
22.3 days - Average sunshine days in June:
18.1 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
24.5 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
21.9 days
The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index
Gwangju, South Korea
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Gwangju, South Korea
The month with the most cloud cover is July (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility
Gwangju, South Korea
The months with the highest visibility are February, March, October, November and December (10km).
The months with the lowest visibility are July and August (8km).
