Wonsan Weather in April
April in Wonsan typically sees daytime highs of 15°C (59°F) and nighttime lows of 5°C (41°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Wonsan in April
Historically, April sees about 8 days of rain, with a monthly average of 71 mm (2.8 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Wonsan in April
Daytime temperatures in Wonsan reach 15°C (59°F) in April, dropping to 5°C (41°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Wonsan in April
Expect a lot of sunshine this month, with about 235 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.
Average water temperature in April
The water sits at 7°C (45°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.If your ideal day consists of dry skies and pleasant temperatures, May, June, September and October typically offer the best circumstances for Wonsan.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit North Korea, check out our Wonsan's climate page.
Wonsan Temperature in April
Min Temperature
5°C (41°F)
Max Temperature
15°C (59°F)
Water Temperature
7°C (45°F)
Chance of Rain
27%
Precipitation
71 mm (2.8 in)
Rainy days
8 days
Humidity
62%
Sunshine
235 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Wonsan typically rise from around 13°C (55°F) at the start of April to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 9°C (48°F).
Average temperatures in April
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 April
Historical weather for Wonsan in April
Browse day-by-day weather records for Wonsan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Wonsan historical weather extremes in April
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Wonsan.
- On April 30, 2017, temperatures climbed to 31°C (88°F), marking the warmest April day on record.
- The coldest April day was on April 6, 1999, with a maximum of 3°C (37°F).
- The lowest overnight temperature recorded in April was -3°C (27°F) (April 5, 1976).
Best Places in North Korea in April
Find out more about the weather in North Korea and which places have the best travel conditions in this month. See all of North Korea in April →
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What to Wear in Wonsan in April
The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 7°C (45°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Wonsan in April
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 North Korea, check out our Wonsan's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Wonsan climate overview or explore weather in North Korea.
