Yeosu
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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.

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% *
* Data from: Chungmu, South Korea (70 KM, 44 Miles).

Yeosu Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Yeosu - and find the best time to visit.

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 records 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    6/10
  • Outdoor sports
    9/10

Yeosu 3-Day Forecast

More climate data for Yeosu

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

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