Masan climate

Masan Weather in December

NASA POWER reanalysis for the half-degree grid cell around Masan, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 9°C on December 1 to 5°C on December 31, and lows from 0°C to -4°C. Normal precipitation for the month is 34 mm over about 6 wet days.

December day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Masan, in °C, with the record for each date.-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
6°C
Average low
-2°C
Precipitation
34 mm
Reanalysis high
19°CDec 3, 2018
Reanalysis low
-13°CDec 18, 2005
Daylight
9 h 59 min to 9 h 49 min
Cloud cover
52%
Humidity
80%
Dew point
-2°C
Wind
14.8 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 19°C0°C17°C 1994-5°C 201224%
Dec 29°C0°C16°C 2018-5°C 199624%
Dec 39°C-1°C19°C 2018-8°C 199724%
Dec 48°C-1°C14°C 2004-6°C 199724%
Dec 58°C-1°C14°C 2010-5°C 200523%
Dec 68°C-1°C18°C 1992-8°C 201922%
Dec 78°C-1°C16°C 1992-5°C 201922%
Dec 87°C-1°C15°C 1994-5°C 199521%
Dec 97°C-2°C14°C 1994-6°C 201422%
Dec 107°C-2°C16°C 2008-7°C 201822%
Dec 117°C-2°C15°C 1994-6°C 200021%
Dec 127°C-2°C12°C 2001-8°C 201221%
Dec 136°C-2°C12°C 2015-7°C 201220%
Dec 146°C-2°C12°C 1998-10°C 201720%
Dec 156°C-2°C14°C 2004-8°C 201719%
Dec 166°C-2°C14°C 1996-11°C 199319%
Dec 176°C-2°C15°C 2019-10°C 200519%
Dec 186°C-2°C13°C 1998-13°C 200518%
Dec 196°C-2°C13°C 2016-9°C 199417%
Dec 206°C-2°C14°C 1992-8°C 200518%
Dec 216°C-3°C16°C 2016-7°C 199918%
Dec 226°C-3°C16°C 2016-6°C 201118%
Dec 236°C-3°C12°C 1991-9°C 201118%
Dec 245°C-3°C13°C 1994-6°C 201018%
Dec 255°C-3°C14°C 2006-10°C 201217%
Dec 265°C-3°C14°C 2006-12°C 201217%
Dec 275°C-3°C11°C 1996-11°C 201216%
Dec 285°C-3°C12°C 2007-9°C 200515%
Dec 295°C-3°C11°C 2020-9°C 201815%
Dec 305°C-3°C10°C 2019-9°C 201116%
Dec 315°C-4°C10°C 1996-10°C 201816%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Masan, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

December 1
sunrise 7:22 AM, sunset 5:21 PM
December 31
sunrise 7:41 AM, sunset 5:30 PM

Every day of December: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.