Weather in Daegu

On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are June, July, and September. Daegu is in South Korea at 35.9°N. The 2001–2020 NASA POWER daily record describes a continental climate with a wide temperature swing.

August is the warmest month (average 24.8°C, high 28.9°C) and January is the coolest (average -2.8°C, low -7.9°C). Rain is wet season runs from May to September, inside an annual total of 1201 mm. The wettest month is July at 264 mm; the driest is December at 24 mm.

When Daegu gets wet

The wet season in Daegu starts in May and ends in September (May, June, July, August, and September). July is the core of it at 264 mm. December is the other extreme, with 24 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. July averages 17 such days; December averages 4.

Hot and cool months in Daegu

Monthly average highs run from 2.2°C in January to 28.9°C in August. Nights follow the same curve: -7.9°C in January and 20.7°C in August.

Mean high across all twelve months is 16.9°C and mean low is 6.2°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

The calendar in Daegu

January is the coolest month, with lows around -7.9°C and highs near 2.2°C. Rainfall is 25 mm. February brings 36 mm and 4 rainy days; temperatures run from -5.4°C to 5.4°C. March stands apart from the months beside it: 11.0°C / -1.5°C and 52 mm. April: 17.5°C high, 4.0°C low, 89 mm rain, 72% humidity. May is when the wet season typically starts in Daegu: highs near 23.4°C, and rainfall jumps to 90 mm (8 rainy days). June brings 131 mm and 10 rainy days; temperatures run from 15.6°C to 27.3°C.

July is the wettest month — 264 mm and 17 rainy days, with 85% humidity. Peak heat arrives in August: 28.9°C by day, 20.7°C at night, and 84% humidity. September closes the wet season: 147 mm over 11 rainy days, then the calendar dries. In October, Daegu averages 19.0°C by day and 8.0°C at night, with 63 mm of rain. November: 11.9°C high, 1.0°C low, 37 mm rain, 79% humidity. December is the driest month, averaging only 24 mm across 4 rainy days. Highs sit near 4.1°C.

Best months to visit Daegu

The three months with the highest comfort score are June, July, and September: June (21.5°C average, 131 mm, 74% humidity); July (24.3°C average, 264 mm, 85% humidity); September (19.7°C average, 147 mm, 84% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the wet season itself — fewer crowds, greener landscape, heavier rain — aim at May–September instead of the score.

How Daegu compares inside South Korea

Busan is about 94 km away: Daegu is 1.1°C cooler than Busan in its hottest month and 287 mm drier over the year than Busan. Busan’s wettest month is July (299 mm) versus July here.

Daejeon is about 121 km away: Daegu is about as warm as Daejeon at the hot peak and a similar annual rainfall (1225 mm in Daejeon). Daejeon’s wettest month is July (316 mm) versus July here.

Gwangju is about 171 km away: Daegu is 0.5°C cooler than Gwangju in its hottest month and 181 mm drier over the year than Gwangju. Gwangju’s wettest month is July (290 mm) versus July here.