Yeosu Weather in May
May in Yeosu brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 15°C (59°F). Rainfall is on the higher side this month, averaging around 144 mm (5.7 in), so keep a rain jacket handy.
Rainfall in Yeosu in May
Analyzing past climate data, one can expect approximately 9 days of rain, averaging 144 mm (5.7 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Yeosu in May
Expect highs of 21°C (70°F) in Yeosu in May, with nights dropping to around 15°C (59°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Yeosu in May
Expect sunny days throughout the month, with an estimated 212 hours of sunshine. This makes it a pleasant time to visit Yeosu.If you prefer enjoying temperate temperatures and rain-free days, October typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Yeosu's climate page.
Yeosu Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
21°C (70°F)
Chance of Rain
31%
Precipitation
144 mm (5.7 in)
Rainy days
9 days
Humidity
73% *
Sunshine
212 hours *
Percentage Sunshine
49% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yeosu typically rise from around 21°C (70°F) at the start of May to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 12°C (54°F) to 16°C (61°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Yeosu in May
Browse day-by-day weather records for Yeosu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yeosu historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Yeosu.
- The warmest day in May was on May 29, 1979, with a maximum of 34°C (93°F).
- Yeosu experienced its chilliest May day on May 2, 1990, reaching only 13°C (55°F).
- Nighttime temperatures dropped to 3°C (37°F) on May 11, 1995, marking the coldest May night on record.
Best Places in South Korea in May
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in May →
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What to Wear in Yeosu in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Yeosu in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Yeosu's climate page.
Temperature Rainfall Sunshine Humidity
See the full Yeosu climate overview or explore weather in South Korea.
