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Hyesan Weather in May
Thinking of visiting Hyesan in May? Expect pleasant temperatures reaching 18°C (64°F) during the day, dropping to 4°C (39°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Hyesan in May
Expect around 13 days of rain based on historical data, with 101 mm (4 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Hyesan in May
Hyesan in May gets highs of 18°C (64°F) during the day and drops to 4°C (39°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Hyesan.
Hyesan Temperature in May
Min Temperature
4°C (39°F)
Max Temperature
18°C (64°F)
Chance of Rain
43%
Precipitation
101 mm (4 in)
Rainy days
13 days
Humidity
62%
Hyesan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hyesan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hyesan typically rise from around 17°C (63°F) at the start of May to approximately 22°C (72°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 8°C (46°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 Hyesan in May
Browse day-by-day weather records for Hyesan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hyesan historical weather extremes in May
The extremes listed below come from historical weather data collected in Hyesan from 1976 through 2026.
- The hottest May day on record in Hyesan reached 34°C (93°F) (May 30, 1980).
- Nighttime temperatures dropped to -4°C (25°F) on May 1, 1980, marking the coldest May night on record.
Best Places in North Korea in May
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 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 Hyesan in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Hyesan in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping3/10 -
Outdoor sports9/10
Hyesan 3-Day Forecast
More climate data for Hyesan
See the full Hyesan climate overview or explore weather in North Korea.
Popular in May
Where to go in May - average daytime high across popular destinations.
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