+37.4386° · +127.1378° · ELEV 0m

Seongnam-si

South Korea · Gyeonggi-do

Monthly weather averages for Seongnam-si, South Korea — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.

№ 01

Climate Overview

July → January

Seongnam-si has a continental climate. The warmest month is July (29°C average high) and the coolest is January (2°C).

№ 02

Rainfall by Month

1194 mm / year

Seongnam-si sees 1194 mm of rain a year. The wettest month is July (280 mm); the driest is January (18 mm).

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№ 03

Best Time to Visit

May–June
May–June
11°C – 27°C · 9.9h sun

The best time to visit Seongnam-si is May–June, when temperatures average 11°C–27°C with 9.9 sunshine hours per day.

№ 04

Monthly Breakdown

12 months · °C · mm · hours
Monthly climate normals for Seongnam-si, South Korea — click a column to sort
January2.2°C-6.7°C18 mm7.8 h07:4417:35
February4.9°C-4.9°C24 mm8.6 h07:2118:09
March11.7°C0.0°C38 mm9.1 h06:4318:37
April17.6°C5.8°C66 mm9.4 h05:5719:05
May23.0°C11.2°C92 mm10.1 h05:2319:32
June27.0°C17.0°C117 mm9.7 h05:1019:53
July29.0°C21.4°C280 mm8.3 h05:2119:52
August28.8°C21.7°C269 mm8.6 h05:4719:25
September24.9°C16.4°C126 mm8.4 h06:1218:41
October18.4°C8.8°C71 mm8.4 h06:3817:55
November11.1°C1.7°C64 mm7.2 h07:1017:21
December3.1°C-5.5°C29 mm7.1 h07:3817:14

Nearby cities

View monthly climate averages for nearby cities or compare them with Seongnam-si.

Temperature, rainfall and sunshine, month by month.