Gyeongju climate

Name: Gyeongju
Address: KR

Gyeongju is warmest in August, with average highs of 29 °C, and coldest in January, when nights average -2.8 °C. August is the wettest month (208 mm) and December the driest (25 mm). Figures are 1991–2020 climate normals.

Across a full year Gyeongju averages 1,135 mm of rain, 104 days above 25 °C and 79 days below freezing.

South Korea · population 245,365 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 29 °C
Coldest month January -2.8 °C
Driest month December 25 mm
Wettest month August 208 mm
Least cloud December 36 % cloud
Hottest on record August 39 °C
Coldest on record January -15 °C

What to expectGyeongju through the year

Gyeongju has a clear annual cycle: average daily highs run from 5.2 °C in January to 29 °C in August, a swing of 25 °C in mean temperature across the year.

Counted across a normal year, 104 days a year reach 25 °C, 36 of them reach 30 °C, 79 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in August.

Rain is strongly seasonal. August averages 208 mm against 25 mm in December — 8.3 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	5.2 °C	30 mm	41 %
February	7.7 °C	34 mm	47 %
March	12.6 °C	65 mm	52 %
April	18.5 °C	78 mm	54 %
May	23.6 °C	88 mm	58 %
June	26.7 °C	131 mm	71 %
July	29.0 °C	201 mm	74 %
August	29.5 °C	208 mm	67 %
September	24.9 °C	163 mm	63 %
October	20.1 °C	69 mm	47 %
November	13.7 °C	41 mm	41 %
December	7.1 °C	25 mm	36 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	5.2 °C	-2.8 °C	0.8 °C	16.7 °C	-15.1 °C	0	0	25
February	7.7 °C	-1.3 °C	2.8 °C	20.1 °C	-14.3 °C	0	0	20
March	12.6 °C	2.5 °C	7.2 °C	23.2 °C	-12.2 °C	0	0	8
April	18.5 °C	7.8 °C	12.9 °C	30.9 °C	-1.6 °C	2	0	0
May	23.6 °C	13.1 °C	18.1 °C	35.4 °C	4.7 °C	12	1	0
June	26.7 °C	17.9 °C	22.0 °C	36.6 °C	10.4 °C	21	5	0
July	29.0 °C	22.4 °C	25.3 °C	38.6 °C	15.1 °C	26	13	0
August	29.5 °C	23.0 °C	25.9 °C	39.1 °C	16.1 °C	27	15	0
September	24.9 °C	18.1 °C	21.3 °C	35.8 °C	10.3 °C	14	2	0
October	20.1 °C	11.5 °C	15.6 °C	28.1 °C	-0.1 °C	2	0	0
November	13.7 °C	4.6 °C	8.8 °C	23.6 °C	-5.6 °C	0	0	4
December	7.1 °C	-1.2 °C	2.5 °C	19.3 °C	-10.9 °C	0	0	21

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	30 mm	4	10 h/day	41 %	56 %	19 km/h
February	34 mm	5	11 h/day	47 %	57 %	18 km/h
March	65 mm	7	12 h/day	52 %	62 %	18 km/h
April	78 mm	8	13 h/day	54 %	63 %	18 km/h
May	88 mm	7	14 h/day	58 %	67 %	16 km/h
June	131 mm	9	15 h/day	71 %	74 %	15 km/h
July	201 mm	13	14 h/day	74 %	82 %	16 km/h
August	208 mm	14	14 h/day	67 %	82 %	16 km/h
September	163 mm	10	12 h/day	63 %	80 %	16 km/h
October	69 mm	5	11 h/day	47 %	72 %	16 km/h
November	41 mm	5	10 h/day	41 %	67 %	16 km/h
December	25 mm	3	9.7 h/day	36 %	60 %	18 km/h

How Gyeongju compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Gyeongju	29 °C	-2.8 °C	1,135 mm	104
Pohang · South Korea	29 °C	-1.8 °C	1,091 mm	86
Ulsan · South Korea	28 °C	-1.4 °C	1,246 mm	81
Gyeongsan-si · South Korea	30 °C	-3.3 °C	1,055 mm	114
Daegu · South Korea	30 °C	-3.4 °C	1,089 mm	114
Changwon · South Korea	29 °C	-1.5 °C	1,323 mm	92
Busan · South Korea	28 °C	-0.06 °C	1,329 mm	62

Planning a trip? See the best time to visit Gyeongju.

QuestionsCommon questions about Gyeongju’s climate

When is the best time to visit Gyeongju?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, September sit closest to 20 °C on average, August is the warmest month and December the driest. The month-by-month table above has the full picture.

How hot does Gyeongju get?

In August, the warmest month, daily highs average 29 °C. About 36 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

Nights average -2.8 °C in January, the coldest month. A normal year has 79 nights below freezing.

Which month is wettest in Gyeongju?

August, averaging 208 mm over 14 days with rain. The driest month is December with 25 mm. The year as a whole averages 1,135 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Gyeongju rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 35.843°, 129.212° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.