Climate averages 1991–2020

Sinhyeon weather
in October.

A mild, moderately wet month: the 5th warmest and the 5th driest of the year. Meets the pleasant-weather rule

Long-term climate patterns, not a forecast for a particular trip.

Average high 20.0°C Daytime mean, October
Average low 15.8°C Night-time mean, October
Rainfall 76 mm 5 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Sinhyeon · average highYear overview

October is a mild month in Sinhyeon: daytime highs average 20.0°C and nights cool to about 15.8°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 76 mm of rain on roughly 5 days, which makes October a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 20 min on an average October day.

The nearest other city in this atlas is Geoje (10 km away). In October its highs average 19.8°C, about as warm as Sinhyeon, with 78 mm of rain.

Among the 79 cities listed in South Korea, Sinhyeon ranks joint 22nd of 79 for the warmest October highs and 73rd of 79 for the driest October (rainfall, lowest first). The mean October high of those 79 cities is 19.3°C; Sinhyeon is 0.7°C warmer than that mean.

From October to November, average highs fall by 5.6°C to 14.4°C, and monthly rainfall falls from 76 mm to 55 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Sinhyeon climate table

1991–2020
Monthly climate averages for Sinhyeon, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 6.7°C1.9°C1.9°C364.410.110 h
February 8.3°C3.0°C3.0°C515.110.911 h
March 11.5°C6.4°C6.4°C957.611.912 h
April 15.4°C10.8°C10.8°C1328.413.013 h
May 19.0°C15.0°C15.0°C1397.814.014 h
June 22.1°C18.8°C18.8°C1809.314.514 h
July 25.6°C22.9°C22.9°C25212.814.314 h
August 27.3°C24.5°C24.5°C20412.013.513 h
September 24.4°C21.0°C21.0°C1729.412.412 h
October, selected 20.0°C15.8°C15.8°C764.811.311 h
November 14.4°C9.6°C9.6°C555.410.410 h
December 8.8°C3.9°C3.9°C343.99.910 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Sinhyeon

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sinhyeon) is explained once on the Sinhyeon year overview and on the Sources, method and limits page.