AI-generatedWonsan at a glance
- Best time
- Apr – Jun, Sep – Oct
- Warmest month
- Aug · 27°
- Warmest sea
- Aug · 24.8°
- Sunshine a year
- 2,260 h
- Rain a year
- 1,199 mm
- Climate
- Continental
- Time zone
- UTC+9
- Elevation
- 7 m
Climate in Wonsan
Wonsan has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 27 °C, while January is the coolest at 0 °C. With around 2,260 hours of sunshine a year, Wonsan is sunny; April is the sunniest month with 7.3 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: April – June, September – October
October is the peak of the typhoon season
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 12°
- Midday, 13:00: about 17°
- Afternoon, 16:00: about 16°
- Evening, 20:00: about 13°
- Night, 23:00: about 12°
06:3817:53
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:22–07:15 · evening 17:17–18:10
- Blue hour
- Morning 06:12–06:22 · evening 18:10–18:20
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Wonsan in October?
In October, Wonsan is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 78 mm. All in all, October is a good month for a holiday in Wonsan.
More details for October
- Daylight
- 11 h 15 min06:38 – 17:53
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 46 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Pyongyang
How the score comes together
- Temperatureweight 50 %90 %
- Sunshineweight 20 %58 %
- Few rainy daysweight 30 %71 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Sea temperature in Wonsan
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 17.3 – 19.6 °C
Swimming season: Jul – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Wonsan ranges from 3.8 °C in February to 24.8 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 23.4 and 26.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 4.8° | 2.8° | 7.8° | cold |
| FebruaryFeb | 3.8° | 2.4° | 5.8° | cold |
| MarchMar | 4.9° | 3.3° | 6.9° | cold |
| AprilApr | 8.6° | 6.5° | 10.5° | cold |
| MayMay | 13.2° | 11.3° | 14.7° | cold |
| JuneJun | 18.4° | 17.6° | 19.8° | fresh |
| JulyJul | 22.6° | 21.2° | 24.5° | refreshing |
| AugustAug | 24.8° | 23.4° | 26.1° | pleasant |
| SeptemberSep | 22.2° | 21.2° | 23.3° | refreshing |
| OctoberOct | 18.3° | 17.3° | 19.6° | fresh |
| NovemberNov | 13.4° | 12.2° | 15.1° | cold |
| DecemberDec | 8.4° | 6.4° | 10.5° | cold |
Sunshine hours in Wonsan
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.5 of 11.2 hours of daylight in Wonsan, 58 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Wonsan
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 40 min
- Light brown skin
- about 55 min
- Olive skin
- about 70 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Wonsan: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Wonsan has about 8 rainy days with 78 mm of rain in total.
Wind and clouds in Wonsan
How breezy and how cloudy Wonsan is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Wonsan typically peaks at 14 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 46 % of the sky over Wonsan: variable cloud, with about 6.5 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Wonsan
How often the day gets hot in Wonsan (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Wonsan has about 0 hot days, with an average daytime high of 17 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Wonsan
Snow is possible in Wonsan, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Wonsan.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Wonsan
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
CoolOctober: nights around 9°. A duvet at night and a jumper for the evening.
The coolest nights are in January (−8°), the warmest in August (21°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from November to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 63 days a year, mostly from July to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 39 | 0° | −8° | 4.8° | 6.1 h | 5 | 29 |
| FebruaryFeb | 39 | 3° | −6° | 3.8° | 6.6 h | 5 | 32 |
| MarchMar | 37 | 8° | −1° | 4.9° | 6.8 h | 7 | 45 |
| AprilApr | 71 | 15° | 5° | 8.6° | 7.3 h | 7 | 62 |
| MayMay | 85 | 20° | 11° | 13.2° | 7.3 h | 9 | 92 |
| JuneJun | 77 | 24° | 16° | 18.4° | 6.4 h | 11 | 118 |
| JulyJul | 61 | 26° | 21° | 22.6° | 4.6 h | 15 | 251 |
| AugustAug | 61 | 27° | 21° | 24.8° | 5.1 h | 16 | 246 |
| SeptemberSep | 77 | 23° | 16° | 22.2° | 6.1 h | 10 | 141 |
| OctoberOct | 78 | 17° | 9° | 18.3° | 6.5 h | 8 | 78 |
| NovemberNov | 37 | 9° | 2° | 13.4° | 5.5 h | 8 | 74 |
| DecemberDec | 39 | 2° | −5° | 8.4° | 5.9 h | 4 | 32 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
39.15° N, 127.44° E · 7 m · Asia/Pyongyang
Best time to visit Wonsan
The best time to visit Wonsan is from April to June and from September to October. The sea stays too cool for a classic beach holiday: even in August it only reaches 24.8 °C. For sightseeing, day trips and hiking, conditions are most comfortable from May to June and from September to October. Rain is most frequent from July to August; the wettest month is July with 251 mm.
Wonsan through the seasons
How the weather changes over the seasons, with averages for each.
Wonsan in spring
Mar – May
Good
- 8–20 °C by day
- Sea 9 °C
- 7 h of sun a day
- 22 rainy days in all
Wonsan in summer
Jun – Aug
Good
- 24–27 °C by day
- Sea 22 °C
- 5 h of sun a day
- 42 rainy days in all
Wonsan in autumn
Sep – Nov
Good
- 9–23 °C by day
- Sea 18 °C
- 6 h of sun a day
- 26 rainy days in all
Wonsan in winter
Dec – Feb
Poor
- 0–3 °C by day
- Sea 6 °C
- 6 h of sun a day
- 14 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Wonsan for you.
Your best months: May – June, September
Based on the climate averages; tap a month to see its details.
Compare two months in Wonsan
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
May has the better holiday weather in Wonsan: score 85 against 78. In May, days are 3 °C warmer than in October. The sea is 5 °C cooler in May. May has one more rainy day. The sun shines an hour longer a day in May.
| Month | October | May |
|---|---|---|
| Weather score | 78 | 85better |
| Day high | 17° | 20° |
| Night low | 9° | 11° |
| Sea | 18.3° | 13.2° |
| Sunshine | 6.5 h | 7.3 hbetter |
| Rainy days | 8better | 9 |
| Rainfall | 78 mmbetter | 92 mm |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Jun, Sep – Oct
15–28 °C and not too much rain
Rainy months
Jul – Aug
12 or more rainy days
Snow
Dec – Mar
Snow on 2 or more days
Wonsan month by month
The typical weather for every month at a glance.
39January0° · Sea 5° · 6 h
In January, Wonsan is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−8 °C). The sea averages 4.8 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Precipitation, often as snow, falls on about 5 days, totalling 29 mm. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Wonsan.
Wonsan in January39February3° · Sea 4° · 7 h
In February, Wonsan is freezing cold: daytime highs average 3 °C, and nights often drop below freezing (−6 °C). The sea averages 3.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Precipitation, often as snow, falls on about 5 days, totalling 32 mm. Snow falls on about 4 days. All in all, February is not an ideal month for a holiday in Wonsan.
Wonsan in February37March8° · Sea 5° · 7 h
In March, Wonsan is cold: daytime highs average 8 °C, and nights often drop below freezing (−1 °C). The sea averages 4.9 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 45 mm. Snow falls on about 4 days. All in all, March is not an ideal month for a holiday in Wonsan.
Wonsan in March71April15° · Sea 9° · 7 h
In April, Wonsan is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. The sea averages 8.6 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 62 mm. All in all, April is a good month for a holiday in Wonsan.
Wonsan in April85May20° · Sea 13° · 7 h
In May, Wonsan is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 13.2 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 92 mm. All in all, May is an excellent month for a holiday in Wonsan.
Wonsan in May77June24° · Sea 18° · 6 h
In June, Wonsan is warm: daytime highs average 24 °C, and nights cool down to about 16 °C. The sea averages 18.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 118 mm in total. All in all, June is a good month for a holiday in Wonsan.
Wonsan in June61July26° · Sea 23° · 5 h
In July, Wonsan is warm: daytime highs average 26 °C, and even at night it stays warm at around 21 °C. The sea averages 22.6 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. It rains often – on about 15 days, adding up to 251 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Wonsan.
Wonsan in July61August27° · Sea 25° · 5 h
In August, Wonsan is warm: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. The sea averages 24.8 °C – pleasant for swimming. Expect around 5 hours of sunshine a day. It rains often – on about 16 days, adding up to 246 mm. On about 5 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Wonsan.
Wonsan in August77September23° · Sea 22° · 6 h
In September, Wonsan is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 22.2 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 141 mm in total. All in all, September is a good month for a holiday in Wonsan.
Wonsan in September78October17° · Sea 18° · 7 h
In October, Wonsan is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 78 mm. All in all, October is a good month for a holiday in Wonsan.
Wonsan in October37November9° · Sea 13° · 6 h
In November, Wonsan is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sea averages 13.4 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 74 mm. All in all, November is not an ideal month for a holiday in Wonsan.
Wonsan in November39December2° · Sea 8° · 6 h
In December, Wonsan is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−5 °C). The sea averages 8.4 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Precipitation, often as snow, falls on about 4 days, totalling 32 mm. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Wonsan.
Wonsan in DecemberWonsan compared
Put Wonsan side by side with another destination.
No destination found
Wonsan vs. Sokcho
In October the holiday weather in Wonsan and Sokcho is about equally good (score 78 vs. 81). During the day Sokcho is 1 °C warmer than Wonsan. The sea in Sokcho is 1 °C warmer. Sokcho gets one hour less sunshine a day.
| in October | Wonsan | Sokcho |
|---|---|---|
| Holiday score | 78 | 81 |
| Daytime high | 17° | 18° |
| Sea | 18° | 19° |
| Sunshine | 7 h | 6 h |
| Rainy days | 8 | 8 |
| Best time | Apr – Jun, Sep – Oct | Jul – Aug |
Through the year
North Korea in October: the best places
In October, Wonsan ranks 3 of 3 destinations in this country.
All destinations: North KoreaPlanning a trip to Wonsan
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Wonsan in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Wonsan has its best school-holiday weather during May half-term (score 83) and its weakest during the Christmas holidays (score 39).
- 61
Easter holidays
Mar – Apr
Good
- 13 °C by day
- Sea 7 °C
- 7.2 h of sun a day
- 7 rainy days a month
Keep in mind: Snow
- 83
May half-term
May – Jun
ExcellentBest holidays
- 21 °C by day
- Sea 14 °C
- 7.1 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 61
Summer holidays
Jul – Aug
Good
- 26 °C by day
- Sea 24 °C
- 4.9 h of sun a day
- 16 rainy days a month
Keep in mind: Frequent rain, Storm season
- 78
October half-term
Oct
Good
- 17 °C by day
- Sea 18 °C
- 6.5 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 39
Christmas holidays
Dec – Jan
Poor
- 1 °C by day
- Sea 7 °C
- 6.0 h of sun a day
- 5 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h
- Distance
- 8,740 km
- Time zone
- UTC+9
- Jet lag
- About 8 days (8 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Wonsan lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Wonsan
When is the best time to visit Wonsan?
The best time to visit Wonsan is from April to June and from September to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Wonsan?
The sea temperature in Wonsan ranges from 3.8 °C in February to 24.8 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
Can you swim in Wonsan in October?
Only if you don't mind cold water: in October the sea averages just 18.3 °C. Comfortable swimming is possible from July to September.
What is the warmest month in Wonsan?
August is the warmest month, with average highs of 27 °C and nights around 21 °C. January is the coolest month at 0 °C.
When does it rain most in Wonsan?
Rain is most frequent from July to August; the wettest month is July with 251 mm. The driest month is January with 29 mm.
How many hours of sunshine does Wonsan get?
Wonsan gets around 2,260 hours of sunshine a year. The sunniest month is April with 7.3 hours a day; in July there are 4.6 hours a day.
What time zone is Wonsan in?
Wonsan uses the time zone Asia/Pyongyang, at UTC+9 all year.
How long is the flight from London to Wonsan?
A nonstop flight from London to Wonsan takes about 11 h, for a straight-line distance of about 8,740 km.
When is typhoon season in Wonsan?
Wonsan lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Wonsan?
Wonsan has its best school-holiday weather during May half-term (score 83) and its weakest during the Christmas holidays (score 39). Holiday ratings (0–100): Easter holidays 61, May half-term 83, Summer holidays 61, October half-term 78, Christmas holidays 39.
Near Wonsan
Other destinations close by.
Places with a climate like Wonsan
Destinations whose weather through the year is closest to Wonsan's – good alternatives.