Ulchin Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ulchin.
Climate overview of Ulchin
The climate in Ulchin, South Korea, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in August to 6°C (43°F) in January.
The city has a wet climate, receiving around 1192 mm (47 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from July to September. August is the wettest month. Sunshine peaks in May, when the city sees around 7.9 hours of sunshine per day.
Ulchin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ulchin — and find the best time to visit.
Monthly Temperature in Ulchin
In Ulchin, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 28°C (82°F) in August to a chilly 6°C (43°F) in January.
Nighttime temperatures range from 23°C (73°F) in August to -1°C (30°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ulchin
Ulchin experiences significant rain/snowfall throughout the year, averaging 1192 mm (47 in) of precipitation annually. The seasons in Ulchin bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 198 mm (7.8 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 37 mm (1.5 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Ulchin Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ulchin
Ulchin enjoys sunny spells year-round. May sees up to 7.9 hours of daily sunshine, perfect for a sunny trip. July, the least sunny month, still offers a generous 5.4 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Ulchin
The mean water temperature over the year ranges from 8°C (46°F) in February to 25°C (77°F) in August.
Water temperature over the year
Humidity in Ulchin by Month
The relative humidity is high throughout the year in Ulchin.
The city experiences its highest humidity in July, reaching 82%. In January, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Ulchin
The mean wind speed varies between 2 m/s (4 knots) and 4 m/s (8 knots) throughout the year. It is lowest in July and highest during January, April and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Ulchin
Be prepared for heavier rainfall during July, August and September, the wettest period of the year. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Ulchin
What is the best time to visit Ulchin?
May and October typically offer the most optimal weather in Ulchin. In contrast, January, February and December tend to have less optimal conditions. Ulchin has a distinct rainy season from July to September.
What temperatures can I expect in Ulchin?
Daytime highs range from 6°C (43°F) in January to 28°C (82°F) in August. Nighttime lows range from -1°C (30°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Ulchin get?
Annual rainfall is around 1192 mm (47 in). August is the wettest month with 198 mm (7.8 in), while December is the driest with 37 mm (1.5 in).
How sunny is Ulchin?
Ulchin receives around 2,385 hours of sunshine per year. May is the sunniest month with 237 hours, while July is the cloudiest with just 162 hours. Overall, Ulchin enjoys abundant sunshine.
Ulchin 3-Day Forecast
Ulchin 3-Day Forecast
Ulchin on the map
Ulchin is highlighted — select any city to see its climate.
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