Ulsan Weather in January

South Korea · January climate averages and travel tips

Avg high6°C (43°F)
Avg low0°C (33°F)
Rainfall37 mm (1.5 in)
RatingFair 5.1/10

In January, Ulsan has average highs of 6°C (43°F) and lows of 0°C (33°F). January is winter in South Korea. The month is fairly dry, with about 37 mm (1.5 in) of rain spread over 6 days, one of the driest months of the year. You get roughly 9.8 hours of daylight and a mix of sun and cloud.

Is January a good time to visit Ulsan?

January is a fair time to visit Ulsan (5.1/10) mainly because of the cold. For better weather, go in May and October.

Visiting Ulsan in January

January weather

January feels properly wintry in Ulsan, with daytime highs around 6°C and nights near freezing. It's colder than December, though rain is a little lower; February brings milder days but more rain. Expect cool, often cloudy weather, with some sunny spells.

A walk through Daewangam Park can still be rewarding, but the coastal paths feel colder when the wind picks up. Save long beach visits for a milder day. For a warmer indoor stop, the Jangsaengpo Whale Museum makes a good change of pace.

What to do

New Year's Day brings people to Ganjeolgot, a famous spot for watching the first sunrise of the year. Expect crowds around the coast then, and allow extra time for the journey. Seollal, the Korean Lunar New Year, sometimes falls in January; its date changes each year, and travel can be busier around the holiday.

If you hate crowds, skip Ganjeolgot at sunrise on New Year's Day and visit later in the month.

Crowds and practical tips

Away from the New Year gathering, January is generally quieter than May and October, Ulsan's best months overall. It's winter low season, so you'll usually find fewer visitors than in those popular months. Some outdoor days may feel less appealing, but city sights and museums still work well.

For Ganjeolgot, check the local bus route before setting out, especially on New Year's Day, when services and traffic can be affected by the sunrise crowd. The headland is exposed, so keep your coastal walk short if the wind makes it uncomfortable.

January weather at a glance

Average high6°C (43°F)
Average low0°C (33°F)
Daily mean3°C (37°F)
Rainfall37 mm (1.5 in)
Rainy days (1 mm+)6
Humidity74%
Cloud cover56%
Daylight9.8 hours
Est. sunshine4.7 hours/day
Wind19.3 km/h
vs December2°C cooler than December, with similar rainfall.

What to pack for Ulsan in January

Ulsan weather in other months

Jan6°C / 0°C37 mmFairFeb8°C / 2°C53 mmFairMar12°C / 5°C79 mmGoodApr16°C / 9°C105 mmGoodMay21°C / 14°C102 mmExcellentJun24°C / 19°C148 mmGoodJul27°C / 23°C237 mmPoorAug28°C / 24°C183 mmPoorSep25°C / 21°C169 mmFairOct20°C / 15°C77 mmExcellentNov15°C / 9°C53 mmExcellentDec8°C / 2°C39 mmFair

← DecemberBest time to visit UlsanFebruary →

Better weather in January nearby

Nearby in January

Where else is good in January? See where to go in January.