AI-generated

Goyang weather & best time to visit

City break

Best time: Apr – Jun, Sep – Oct
Warmest month: Aug · 31°
Warmest sea: Aug · 24.0°
Sunshine a year: 2,140 h
Rain a year: 1,160 mm
Climate: Continental
Time zone: UTC+9
Elevation: 19 m

Climate in Goyang

Goyang has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 31 °C, while January is the coolest at 3 °C. With around 2,140 hours of sunshine a year, Goyang is moderately sunny; May is the sunniest month with 7.2 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Goyang

The best time to visit Goyang is from April to June and from September to October. In September and October, though, the typhoon season is at its peak: check the forecast before you go. For a beach holiday – sea from 21 °C, warm and mostly dry – go in September. For sightseeing, day trips and hiking, conditions are most comfortable from April to May and from September to October. Rain is frequent from July to August; the wettest month is July with 298 mm.

Goyang through the seasons

How the weather changes over the seasons, with averages for each.

Goyang in spring

Mar – May

Good

12–24 °C by day
Sea 9 °C
6.8 h of sun a day
21 rainy days in all

Goyang in summer

Jun – Aug

Fair

28–31 °C by day
Sea 21 °C
5.1 h of sun a day
38 rainy days in all

Goyang in autumn

Sep – Nov

Good

13–27 °C by day
Sea 20 °C
6.0 h of sun a day
21 rainy days in all

Goyang in winter

Dec – Feb

Poor

3–6 °C by day
Sea 6 °C
5.6 h of sun a day
12 rainy days in all

Which month for what?

Beach & swimming

Sep

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Apr – May, Sep – Oct

15–28 °C and not too much rain

Rainy months

Jul – Aug

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Goyang for you.

Preferred daytime temperature 23 °C

Swimming in the sea

Sunshine

Little rain

Avoid muggy heat

Your best months: May, October

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Holiday weather in October

Excellent

Best time to visit: April – June, September – October

October is the peak of the typhoon season Hurricane season

Where to go in October Sea temperature in October

Good forSightseeing & walks

Keep in mindStorm season

Air temperature21°CNight 11°All months Sea temperature20.0°CrefreshingAll months Sunshine6.7h / dayof 11.3 h daylightAll months Rainy days6days / month56 mmAll months

A typical day in October

Morning, 08:00: about 14°
Midday, 13:00: about 21°
Afternoon, 16:00: about 20°
Evening, 20:00: about 16°
Night, 23:00: about 14°

06:4017:57

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 06:23–07:15 · evening 17:22–18:13
Blue hour: Morning 06:13–06:23 · evening 18:13–18:23

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.

October in Goyang compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 24° at the start of the month to 17° at the end. The sea cools from 22° to 17°. The days get 1.1 h shorter.

Early or late October?
October	1 Oct	31 Oct
Daytime high	24°	17°
Night-time low	15°	8°
Sea	22°	17°
Daylight	11.8 h	10.7 h

What is the weather like in Goyang in October?

In October, Goyang is mild: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 20.0 °C – refreshing for a swim. The sun shines for around 6.7 hours a day. Rain falls on about 6 days, adding up to 56 mm. All in all, October is an excellent month for a holiday in Goyang.

More details for October

Daylight: 11 h 17 min06:40 – 17:57
UV index: 5 · moderateclear sky, noon (estimate)All months
Muggy days: 0 daysdew point 18 °C or moreAll months
Wind: 15 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+9offset from UTC

How the score comes together

Temperatureweight 50 %100 %
Sunshineweight 20 %62 %
Few rainy daysweight 30 %86 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

Swimwear
Sunscreen
A jumper for the evenings

Compare two months in Goyang

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

October and April bring similar holiday weather to Goyang (score 88 and 86). In April, days are 2 °C cooler than in October. The sea is 12 °C cooler in April. April has one more rainy day.

October vs April, Goyang
Month	October	April
Holiday weather score	88	86
Daytime high	21°	19°
Night-time low	11°	9°
Sea	20.0°	8.2°
Sunshine	6.7 h	6.9 h
Rainy days	6better	7
Rainfall	56 mmbetter	67 mm

Based on the climate averages 1996–2025.

Goyang month by month

The typical weather for every month at a glance.

38January3° · Sea 5° · 5.5 h

In January, Goyang is bitterly cold: daytime highs average 3 °C, and nights often drop below freezing (−5 °C). The sea averages 5.3 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. Precipitation falls on about 4 days, totalling 19 mm; on about 2 of them it snows. All in all, January is not an ideal month for a holiday in Goyang.

Goyang in January

40February6° · Sea 4° · 6.0 h

In February, Goyang is cold: daytime highs average 6 °C, and nights often drop below freezing (−3 °C). The sea averages 3.8 °C – swimming is only for the hardy. Expect around 6.0 hours of sunshine a day. Rain is rare: about 4 days bring 22 mm in total. All in all, February is a so-so month for a holiday in Goyang.

Goyang in February

55March12° · Sea 5° · 6.4 h

In March, Goyang is cool: daytime highs average 12 °C, and nights cool down to about 3 °C. The sea averages 5.0 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain falls on about 6 days, adding up to 38 mm. All in all, March is a so-so month for a holiday in Goyang.

Goyang in March

86April19° · Sea 8° · 6.9 h

In April, Goyang is mild: daytime highs average 19 °C, and nights cool down to about 9 °C. The sea averages 8.2 °C – swimming is only for the hardy. The sun shines for around 6.9 hours a day. Rain falls on about 7 days, adding up to 67 mm. All in all, April is an excellent month for a holiday in Goyang.

Goyang in April

86May24° · Sea 12° · 7.2 h

In May, Goyang is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. The sea averages 12.3 °C – swimming is only for the hardy. The sun shines for around 7.2 hours a day. Rain falls on about 8 days, adding up to 93 mm. All in all, May is an excellent month for a holiday in Goyang.

Goyang in May

75June28° · Sea 17° · 6.3 h

In June, Goyang is hot: daytime highs average 28 °C, and nights cool down to about 19 °C. The sea averages 17.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.3 hours of sunshine a day. Rain falls on about 8 days, adding up to 125 mm. On about 7 days the thermometer climbs to 30 °C or more. All in all, June is a good month for a holiday in Goyang.

Goyang in June

43July30° · Sea 21° · 4.0 h

In July, Goyang is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 21.0 °C – refreshing for a swim. Expect around 4.0 hours of sunshine a day. It rains often – on about 15 days, adding up to 298 mm. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Goyang.

Goyang in July

42August31° · Sea 24° · 5.0 h

In August, Goyang is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 24.0 °C – pleasant for swimming. Expect around 5.0 hours of sunshine a day. It rains often – on about 14 days, adding up to 243 mm. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Goyang.

Goyang in August

81September27° · Sea 24° · 6.0 h

In September, Goyang is warm: daytime highs average 27 °C, and nights cool down to about 18 °C. The sea averages 23.6 °C – pleasant for swimming. Expect around 6.0 hours of sunshine a day. Rain falls on about 8 days, adding up to 131 mm. All in all, September is an excellent month for a holiday in Goyang.

Goyang in September

88October21° · Sea 20° · 6.7 h

Goyang in October

53November13° · Sea 15° · 5.2 h

In November, Goyang is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. The sea averages 15.1 °C – swimming is only for the hardy. Expect around 5.2 hours of sunshine a day. Rain falls on about 7 days, adding up to 47 mm. All in all, November is a so-so month for a holiday in Goyang.

Goyang in November

36December5° · Sea 9° · 5.3 h

In December, Goyang is cold: daytime highs average 5 °C, and nights often drop below freezing (−3 °C). The sea averages 9.4 °C – swimming is only for the hardy. Expect around 5.3 hours of sunshine a day. Rain is rare: about 5 days bring 22 mm in total. All in all, December is not an ideal month for a holiday in Goyang.

Goyang in December

Climate in detail

Year & climate table

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Goyang

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°
Hot 24° and more
muggy month (15+ muggy days)

CoolOctober: nights around 11°. A duvet at night and a jumper for the evening.

The coolest nights are in January (−5°), the warmest in August (24°). 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 March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 81 days a year, mostly from July to August.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 21°Night 11°Sea 20°

DayNightSea

Month	Score	Day	Night	Sea	Sun	Rain days	Rain mm
JanuaryJan	38	3°	−5°	5.3°	5.5 h	4	19
FebruaryFeb	40	6°	−3°	3.8°	6.0 h	4	22
MarchMar	55	12°	3°	5.0°	6.4 h	6	38
AprilApr	86	19°	9°	8.2°	6.9 h	7	67
MayMay	86	24°	14°	12.3°	7.2 h	8	93
JuneJun	75	28°	19°	17.0°	6.3 h	8	125
JulyJul	43	30°	23°	21.0°	4.0 h	15	298
AugustAug	42	31°	24°	24.0°	5.0 h	14	243
SeptemberSep	81	27°	18°	23.6°	6.0 h	8	131
OctoberOct	88	21°	11°	20.0°	6.7 h	6	56
NovemberNov	53	13°	4°	15.1°	5.2 h	7	47
DecemberDec	36	5°	−3°	9.4°	5.3 h	5	22

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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

37.66° N, 126.83° E · 19 m · Asia/Seoul

Sea temperature

Swimming calendar

Sea temperature in Goyang

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October20.0°Crefreshing

8 in 10 years: 19.0 – 21.1 °C

Swimming season: Jul – Oct

cold
fresh
refreshing
pleasant
warm
very warm

OctoberMean sea temperature 20.0°8 in 10 years 19.0° – 21.1°

20°

Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Goyang ranges from 3.8 °C in February to 24.0 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.

From November to January 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 22.7 and 26.0 °C.

Sea temperature by month
Month	Average	Cool year	Warm year	Feels
JanuaryJan	5.3°	4.2°	6.3°	cold
FebruaryFeb	3.8°	2.7°	5.1°	cold
MarchMar	5.0°	4.1°	6.1°	cold
AprilApr	8.2°	6.9°	9.8°	cold
MayMay	12.3°	10.9°	14.1°	cold
JuneJun	17.0°	15.8°	18.7°	fresh
JulyJul	21.0°	18.7°	23.5°	refreshing
AugustAug	24.0°	22.7°	26.0°	pleasant
SeptemberSep	23.6°	22.5°	24.3°	pleasant
OctoberOct	20.0°	19.0°	21.1°	refreshing
NovemberNov	15.1°	14.3°	15.8°	cold
DecemberDec	9.4°	8.4°	10.3°	cold

Sunshine

Sunshine hours in Goyang

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

OctoberSunshine 6.7 hDaylight 11.3 hShare of daylight 59 %

SunshineDaylight

In October, the sun shines for about 6.7 of 11.3 hours of daylight in Goyang, 59 % of the daylight hours.

Sunshine hours: measured at the weather station 15 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Goyang: 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.

OctoberRainy days 6Rainfall 56 mm

In October, Goyang has about 6 rainy days with 56 mm of rain in total.

UV index

Sun protection

UV index in Goyang

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October: 5 · 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 35 min
Light brown skin: about 50 min
Olive skin: about 65 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, 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.

Wind & clouds

Wind and clouds in Goyang

How breezy and how cloudy Goyang 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.

OctoberWind 15 km/hBeaufort 3

WindBeaufort 4

In October, the wind in Goyang typically peaks at 15 km/h during the day: Beaufort 3, gentle 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.

OctoberCloud cover 46 %Sunshine 6.7 h

In October, cloud covers on average 46 % of the sky over Goyang: variable cloud, with about 6.7 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 & humidity

Heat and humidity in Goyang

How often the day gets hot in Goyang (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

OctoberHot days (30 °C+) 0Daytime high 21 °C

In October, Goyang has about 0 hot days, with an average daytime high of 21 °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

Snow in Goyang

Snow is possible in Goyang, 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

OctoberDays with fresh snow 0Fresh snow 0 cmChance of snow 0 / 100

In October, it hardly ever snows in Goyang.

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.

Planning a trip to Goyang

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

ArrivalNights

Goyang 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.

Goyang has its best school-holiday weather during October half-term (score 88) and its weakest during the Christmas holidays (score 37).

Easter holidays
Mar – Apr
77
Good
- 16 °C by day
- Sea 7 °C
- 6.8 h of sun a day
- 7 rainy days a month
May half-term
May – Jun
84
Excellent
- 25 °C by day
- Sea 13 °C
- 7.0 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
Summer holidays
Jul – Aug
42
Fair
- 30 °C by day
- Sea 23 °C
- 4.7 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain, Storm season
October half-term
Oct
88
ExcellentBest holidays
- 21 °C by day
- Sea 20 °C
- 6.7 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
Christmas holidays
Dec – Jan
37
Poor
- 4 °C by day
- Sea 7 °C
- 5.4 h of sun a day
- 4 rainy days a month

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight: about 11 h 10 min
Distance: 8,860 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.

Good to know: South Korea

Currency: South Korean Won (KRW)
Language: Korean
Sockets: Type C, F · 220 V
Traffic: Drives on the right
Dialling code: +82
Emergency number: 112

UK plugs need a travel adapter

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Storm season

Goyang 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, Fiji Meteorological Service); not a forecast.

Compare & alternatives

Compare with another place

Compare

Goyang compared

Put Goyang side by side with another destination.

Nearby:

Compare with home:

Goyang vs Seoul

In October the holiday weather in Goyang and Seoul is about equally good (score 88 vs 88). During the day it is about as warm in Seoul as in Goyang.

Goyang vs Seoul, in October
in October	Goyang	Seoul
Holiday weather score	88	88
Daytime high	21°	21°
Sea	20°	no sea nearby
Sunshine	7 h	7 h
Rainy days	6	6
Best time	Apr – Jun, Sep – Oct	Apr – Jun, Sep – Oct

Through the year

OctoberGoyang 21°Seoul 21°

GoyangSeoul

Go to Seoul

Best places in the country

Ranking

South Korea in October: the best places

In October, Goyang ranks 18 among the 31 nearest destinations in this country.

Gwangyang22°21°92
2Yeosu22°21°92
3Jinju23°91
4Suncheon22°21°91
5Daegu22°90
6Gwangju22°90
7Changwon22°22°90
8Mokpo22°19°90
18GoyangThis page21°20°88

All destinations: South Korea

Places nearby

Near Goyang

Other destinations close by.

Places with a similar climate

Places with a climate like Goyang

Destinations whose weather through the year is closest to Goyang's – good alternatives.

Frequently asked questions about Goyang

When is the best time to visit Goyang?

The best time to visit Goyang 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 Goyang?

The sea temperature in Goyang ranges from 3.8 °C in February to 24.0 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.

Can you swim in Goyang in October?

Yes. In October the sea averages 20.0 °C – refreshing for a swim.

What is the warmest month in Goyang?

August is the warmest month, with average highs of 31 °C and nights around 24 °C. January is the coolest month at 3 °C.

When does it rain most in Goyang?

Rain is frequent from July to August; the wettest month is July with 298 mm. The driest month is January with 19 mm.

How many hours of sunshine does Goyang get?

Goyang gets around 2,140 hours of sunshine a year. The sunniest month is May with 7.2 hours a day; in July there are 4.0 hours a day.

What time zone is Goyang in?

Goyang is on UTC+9 all year.

How long is the flight from London to Goyang?

A nonstop flight from London to Goyang takes about 11 h 10 min, for a straight-line distance of about 8,860 km.

When is typhoon season in Goyang?

Which school holidays are best for Goyang?

Goyang has its best school-holiday weather during October half-term (score 88) and its weakest during the Christmas holidays (score 37). Holiday ratings (0–100): Easter holidays 77, May half-term 84, summer holidays 42, October half-term 88, Christmas holidays 37.