AI-generated

Haenam weather & best time to visit

Sun, sea & sand

Best time: Jul – Sep
Warmest month: Aug · 31°
Warmest sea: Aug · 25.1°
Sunshine a year: 2,230 h
Rain a year: 1,219 mm
Climate: Temperate
Time zone: UTC+9
Elevation: 39 m

Climate in Haenam

Haenam has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 31 °C, while January is the coolest at 6 °C. With around 2,230 hours of sunshine a year, Haenam is sunny; May is the sunniest month with 7.4 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Haenam

The best time to visit Haenam is from July to September. In August and September, 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 from August to September. For sightseeing, day trips and hiking, conditions are most comfortable from April to June and from September to November. The wettest month is July with 219 mm of precipitation.

Haenam through the seasons

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

Haenam in spring

Mar – May

Poor

13–23 °C by day
Sea 12 °C
7.0 h of sun a day
23 rainy days in all

Haenam in summer

Jun – Aug

Good

27–31 °C by day
Sea 22 °C
5.9 h of sun a day
33 rainy days in all

Haenam in autumn

Sep – Nov

Fair

16–27 °C by day
Sea 20 °C
6.1 h of sun a day
21 rainy days in all

Haenam in winter

Dec – Feb

Poor

6–9 °C by day
Sea 12 °C
5.3 h of sun a day
20 rainy days in all

Which month for what?

Beach & swimming

Aug – Sep

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Apr – Jun, Sep – Nov

15–28 °C and not too much rain

Find your perfect month

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

Preferred daytime temperature 28 °C

Swimming in the sea

Sunshine

Little rain

Avoid muggy heat

Your best months: July – September

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

Your holiday weather, at a glance

Holiday weather in October

Fair

Best time to visit: July – September

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 temperature22°CNight 9°All months Sea temperature20.0°CrefreshingAll months Sunshine6.7h / dayof 11.4 h daylightAll months Rainy days5days / month61 mmAll months

A typical day in October

Morning, 08:00: about 13°
Midday, 13:00: about 22°
Afternoon, 16:00: about 21°
Evening, 20:00: about 16°
Night, 23:00: about 13°

06:3818:00

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 06:22–07:12 · evening 17:27–18:16
Blue hour: Morning 06:13–06:22 · evening 18:16–18:26

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 Haenam 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 19° at the end. The sea cools from 22° to 18°. The days get 1.0 h shorter.

Early or late October?
October	1 Oct	31 Oct
Daytime high	24°	19°
Night-time low	13°	6°
Sea	22°	18°
Daylight	11.9 h	10.9 h

What is the weather like in Haenam in October?

In October, Haenam is warm: daytime highs average 22 °C, and nights cool down to about 9 °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 5 days, adding up to 61 mm. All in all, October is a so-so month for a holiday in Haenam.

More details for October

Daylight: 11 h 23 min06:38 – 18:00
UV index: 5 · moderateclear sky, noon (estimate)All months
Muggy days: 2 daysdew point 18 °C or moreAll months
Wind: 22 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 35 %52 %
Seaweight 25 %43 %
Sunshineweight 20 %62 %
Few rainy daysweight 20 %91 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

Swimwear
Sunscreen
A jumper for the evenings

Compare two months in Haenam

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

August has the better holiday weather in Haenam: score 81 against 59. In August, days are 9 °C warmer than in October. The sea is 5 °C warmer in August. August has 7 more rainy days.

October vs August, Haenam
Month	October	August
Holiday weather score	59	81better
Daytime high	22°	31°
Night-time low	9°	22°
Sea	20.0°	25.1°
Sunshine	6.7 h	6.5 h
Rainy days	5better	12
Rainfall	61 mmbetter	171 mm
Muggy days	2better	31

Based on the climate averages 1996–2025.

Haenam month by month

The typical weather for every month at a glance.

23January6° · Sea 12° · 5.1 h

In January, Haenam is cold: daytime highs average 6 °C, and nights often drop below freezing (−3 °C). The sea averages 11.7 °C – swimming is only for the hardy. Expect around 5.1 hours of sunshine a day. Rain falls on about 7 days, adding up to 37 mm. Snow falls on about 2 days. All in all, January is not an ideal month for a holiday in Haenam.

Haenam in January

26February8° · Sea 10° · 5.9 h

In February, Haenam is cold: daytime highs average 8 °C, and nights often drop below freezing (−3 °C). The sea averages 10.4 °C – swimming is only for the hardy. Expect around 5.9 hours of sunshine a day. Rain falls on about 7 days, adding up to 43 mm. All in all, February is not an ideal month for a holiday in Haenam.

Haenam in February

26March13° · Sea 10° · 6.5 h

In March, Haenam is cool: daytime highs average 13 °C, and nights cool down to about 1 °C. The sea averages 10.4 °C – swimming is only for the hardy. The sun shines for around 6.5 hours a day. Rain falls on about 8 days, adding up to 71 mm. All in all, March is not an ideal month for a holiday in Haenam.

Haenam in March

29April19° · Sea 12° · 7.2 h

In April, Haenam is mild: daytime highs average 19 °C, and nights cool down to about 6 °C. The sea averages 12.0 °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, April is not an ideal month for a holiday in Haenam.

Haenam in April

55May23° · Sea 15° · 7.4 h

In May, Haenam is warm: daytime highs average 23 °C, and nights cool down to about 12 °C. The sea averages 14.7 °C – swimming is only for the hardy. The sun shines for around 7.4 hours a day. Rain falls on about 8 days, adding up to 105 mm. All in all, May is a so-so month for a holiday in Haenam.

Haenam in May

63June27° · Sea 19° · 6.0 h

In June, Haenam is warm: daytime highs average 27 °C, and nights cool down to about 18 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.0 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 178 mm in total. The air is often humid and muggy. All in all, June is a good month for a holiday in Haenam.

Haenam in June

70July29° · Sea 22° · 5.3 h

In July, Haenam is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 22.4 °C – refreshing for a swim. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 219 mm in total. On about 11 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 Haenam.

Haenam in July

81August31° · Sea 25° · 6.5 h

In August, Haenam is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 25.1 °C – pleasant for swimming. The sun shines for around 6.5 hours a day. Rain is frequent, with about 12 rainy days and 171 mm in total. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Haenam.

Haenam in August

80September27° · Sea 23° · 6.1 h

In September, Haenam is hot: daytime highs average 27 °C, and nights cool down to about 17 °C. The sea averages 23.3 °C – pleasant for swimming. Expect around 6.1 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 150 mm in total. The air is often humid and muggy. All in all, September is an excellent month for a holiday in Haenam.

Haenam in September

59October22° · Sea 20° · 6.7 h

Haenam in October

25November16° · Sea 16° · 5.6 h

In November, Haenam is cool: daytime highs average 16 °C, and nights cool down to about 3 °C. The sea averages 16.1 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain falls on about 7 days, adding up to 56 mm. All in all, November is not an ideal month for a holiday in Haenam.

Haenam in November

23December9° · Sea 13° · 5.0 h

In December, Haenam is cold: daytime highs average 9 °C, and nights often drop below freezing (−2 °C). The sea averages 13.4 °C – swimming is only for the hardy. Expect around 5.0 hours of sunshine a day. Rain falls on about 7 days, adding up to 36 mm. All in all, December is not an ideal month for a holiday in Haenam.

Haenam 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 Haenam

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 (15+ muggy days)

CoolOctober: nights around 9°. A duvet at night and a jumper for the evening. Muggy on about 2 days (dew point 18 °C or more).

The coolest nights are in January (−3°), the warmest in August (22°). 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 97 days a year, mostly from June to September.

Temperatures through the year

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

OctoberDay 22°Night 9°Sea 20°

DayNightSea

Month	Score	Day	Night	Sea	Sun	Rain days	Rain mm
JanuaryJan	23	6°	−3°	11.7°	5.1 h	7	37
FebruaryFeb	26	8°	−3°	10.4°	5.9 h	7	43
MarchMar	26	13°	1°	10.4°	6.5 h	8	71
AprilApr	29	19°	6°	12.0°	7.2 h	8	93
MayMay	55	23°	12°	14.7°	7.4 h	8	105
JuneJun	63	27°	18°	18.5°	6.0 h	9	178
JulyJul	70	29°	22°	22.4°	5.3 h	12	219
AugustAug	81	31°	22°	25.1°	6.5 h	12	171
SeptemberSep	80	27°	17°	23.3°	6.1 h	9	150
OctoberOct	59	22°	9°	20.0°	6.7 h	5	61
NovemberNov	25	16°	3°	16.1°	5.6 h	7	56
DecemberDec	23	9°	−2°	13.4°	5.0 h	7	36

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

34.57° N, 126.60° E · 39 m · Asia/Seoul

Sea temperature

Swimming calendar

Sea temperature in Haenam

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

Sea in October20.0°Crefreshing

8 in 10 years: 18.5 – 21.2 °C

Swimming season: Jul – Oct

cold
fresh
refreshing
pleasant
warm
very warm

OctoberMean sea temperature 20.0°8 in 10 years 18.5° – 21.2°

20°

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

The sea temperature in Haenam ranges from 10.4 °C in February to 25.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.

From November 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 23.2 and 26.7 °C.

Sea temperature by month
Month	Average	Cool year	Warm year	Feels
JanuaryJan	11.7°	10.5°	12.8°	cold
FebruaryFeb	10.4°	8.7°	11.9°	cold
MarchMar	10.4°	9.0°	11.3°	cold
AprilApr	12.0°	11.1°	12.6°	cold
MayMay	14.7°	13.9°	15.5°	cold
JuneJun	18.5°	17.4°	19.4°	fresh
JulyJul	22.4°	21.5°	23.6°	refreshing
AugustAug	25.1°	23.2°	26.7°	pleasant
SeptemberSep	23.3°	21.6°	24.5°	pleasant
OctoberOct	20.0°	18.5°	21.2°	refreshing
NovemberNov	16.1°	14.9°	17.2°	cold
DecemberDec	13.4°	12.4°	14.4°	cold

Sunshine

Sunshine hours in Haenam

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

OctoberSunshine 6.7 hDaylight 11.4 hShare of daylight 59 %

SunshineDaylight

In October, the sun shines for about 6.7 of 11.4 hours of daylight in Haenam, 59 % of the daylight hours.

Sunshine hours: measured at the weather station 3 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 Haenam: 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 5Rainfall 61 mm

In October, Haenam has about 5 rainy days with 61 mm of rain in total.

UV index

Sun protection

UV index in Haenam

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 11).

Minutes until sunburn in October

Very fair skin: about 25 min
Fair skin: about 30 min
Light brown skin: about 45 min
Olive skin: about 55 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 Haenam

How breezy and how cloudy Haenam 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 22 km/hBeaufort 4

WindBeaufort 4

In October, the wind in Haenam typically peaks at 22 km/h during the day: Beaufort 4, moderate breeze.

Breezy months for windsurfing and kiting

From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it is that strong all year.

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 Haenam: 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 Haenam

How often the day gets hot in Haenam (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 22 °C

In October, Haenam has about 0 hot days, with an average daytime high of 22 °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 Haenam

Snow is possible in Haenam, 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 Haenam.

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 Haenam

Weather for your travel dates

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

ArrivalNights

Haenam 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.

Haenam has its best school-holiday weather during the summer holidays (score 77) and its weakest during the Christmas holidays (score 23).

Easter holidays
Mar – Apr
28
Poor
- 17 °C by day
- Sea 12 °C
- 7.0 h of sun a day
- 8 rainy days a month
May half-term
May – Jun
57
Fair
- 24 °C by day
- Sea 15 °C
- 7.1 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
Summer holidays
Jul – Aug
77
GoodBest holidays
- 30 °C by day
- Sea 24 °C
- 6.1 h of sun a day
- 12 rainy days a month
Keep in mind: Storm season
October half-term
Oct
59
Fair
- 22 °C by day
- Sea 20 °C
- 6.7 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
Christmas holidays
Dec – Jan
23
Poor
- 8 °C by day
- Sea 13 °C
- 5.1 h of sun a day
- 7 rainy days a month

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight: about 11 h 30 min
Distance: 9,150 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.

Most routes need a change of planes, which adds time.

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

Haenam 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

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Haenam compared

Put Haenam side by side with another destination.

Nearby:

Compare with home:

Haenam vs Mokpo

In October the holiday weather in Haenam and Mokpo is about equally good (score 59 vs 57). During the day it is about as warm in Mokpo as in Haenam. The sea in Mokpo is 1 °C cooler.

Haenam vs Mokpo, in October
in October	Haenam	Mokpo
Holiday weather score	59	57
Daytime high	22°	22°
Sea	20°	19°
Sunshine	7 h	7 h
Rainy days	5	5
Best time	Jul – Sep	Apr – Jun, Sep – Oct

Through the year

OctoberHaenam 22°Mokpo 22°

HaenamMokpo

Go to Mokpo

Best places in the country

Ranking

South Korea in October: the best places

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

Yeosu22°21°92
2Gwangyang22°21°92
3Suncheon22°21°91
4Jinju23°91
5Mokpo22°19°90
6Gwangju22°90
7Changwon22°22°90
8Busan23°22°90
31HaenamThis page22°20°59

All destinations: South Korea

Places nearby

Near Haenam

Other destinations close by.

Places with a similar climate

Places with a climate like Haenam

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

Frequently asked questions about Haenam

When is the best time to visit Haenam?

The best time to visit Haenam is from July to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Haenam?

The sea temperature in Haenam ranges from 10.4 °C in February to 25.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.

Can you swim in Haenam in October?

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

What is the warmest month in Haenam?

August is the warmest month, with average highs of 31 °C and nights around 22 °C. January is the coolest month at 6 °C.

When does it rain most in Haenam?

The wettest month is July with 219 mm of precipitation. The driest month is December with 36 mm.

How many hours of sunshine does Haenam get?

Haenam gets around 2,230 hours of sunshine a year. The sunniest month is May with 7.4 hours a day; in December there are 5.0 hours a day.

What time zone is Haenam in?

Haenam is on UTC+9 all year.

How long is the flight from London to Haenam?

A nonstop flight from London to Haenam takes about 11 h 30 min, for a straight-line distance of about 9,150 km. Most routes need a change of planes, which adds time.

When is typhoon season in Haenam?

Which school holidays are best for Haenam?

Haenam has its best school-holiday weather during the summer holidays (score 77) and its weakest during the Christmas holidays (score 23). Holiday ratings (0–100): Easter holidays 28, May half-term 57, summer holidays 77, October half-term 59, Christmas holidays 23.