Weather in Daegu in January

South Korea · 20-year averages, January

The month to avoid. January is the month most people should skip in Daegu. Highs sit at 3.5 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

January ranks 11 of 12 — near the bottom of Daegu's year. October is the month that works, and the swing between the two is 59 points, which is a different holiday rather than a slightly better one.

Rain falls on only 4 days, so an itinerary with no wet-weather fallback is a reasonable risk. Layers, and a genuinely waterproof outer — at 3.5 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: 28 nights drop below freezing, so anything left outside stays frozen. Across the twenty years measured, the hottest January day reached 16.9 °C and the coldest night fell to -18.8 °C, and the wettest single day dropped 37 mm — roughly 148% of the month's rain in one day.

This is the volatile part. January rainfall has ranged from 4 mm to 91 mm across the twenty years measured — a 87 mm spread around an average of 25 mm. The average is real but almost no individual January looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 9.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 79%, which at 3.5 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How January sits in the year

This is a turning point in the year — December and February sit on opposite sides of it, so the month contains the change rather than following it.

Daylight in January

January sits at the dark end of Daegu's year — 10 hours of daylight against 14.6 at midsummer, gaining 0.6 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

An inland climate

With no coast nearby, the year swings a fair way — 36.8 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

January in Daegu versus nearby

If Daegu is one option among several, the nearby comparison is worth making. Busan is a better bet in January — 2.6 °C warmer, the same number of rain days. Gwangju is close enough to be a coin toss — within a degree on temperature, 2 days more rain.

So: January is a compromise. October is 59 points better and is what Daegu is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Daegu

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January3.5-6.6 425791030
February6.7-4.1 4367510.943
March12.3-0.2 7527311.961
April18.85.3 8897213.179
May24.711.5 890711483
June28.616.9 101317414.671
July29.821.3 172648514.448
August30.221.9 162428413.647
September25.516.5 111478412.577
October20.39.2 5638011.389
November13.22.3 5377910.369
December5.4-4.3 424799.730

See all twelve months in Daegu, or where else to go in January.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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