Chełm climate

Chełm Weather in December

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

Average highs run from 2°C on December 1 to -1°C on December 31, and lows from -4°C to -6°C. Normal precipitation for the month is 40 mm over about 9 wet days.

December day by day

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

Normal daily high and low temperature at Chełm, in °C, with the record for each date.-40-30-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
0°C
Average low
-5°C
Precipitation
40 mm
Reanalysis high
11°CDec 8, 2006
Reanalysis low
-31°CDec 16, 1997
Daylight
8 h 14 min to 7 h 58 min
Cloud cover
76%
Humidity
94%
Dew point
-4°C
Wind
18.4 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 12°C-4°C8°C 2009-17°C 201028%
Dec 22°C-4°C10°C 2009-22°C 199828%
Dec 31°C-4°C7°C 2009-25°C 199828%
Dec 41°C-4°C7°C 2009-18°C 200129%
Dec 51°C-4°C8°C 2006-19°C 201030%
Dec 61°C-4°C11°C 2006-19°C 200131%
Dec 71°C-4°C7°C 2006-23°C 200133%
Dec 81°C-4°C11°C 2006-19°C 200234%
Dec 91°C-4°C11°C 2006-20°C 200134%
Dec 101°C-4°C7°C 2006-17°C 200234%
Dec 110°C-4°C9°C 2000-15°C 200234%
Dec 120°C-5°C9°C 1994-17°C 200133%
Dec 130°C-5°C9°C 2000-20°C 200135%
Dec 140°C-5°C9°C 2000-16°C 200135%
Dec 150°C-5°C7°C 2000-22°C 199735%
Dec 160°C-5°C7°C 2019-31°C 199736%
Dec 170°C-5°C9°C 2019-30°C 199736%
Dec 180°C-5°C11°C 2019-20°C 199737%
Dec 190°C-5°C8°C 2015-15°C 201236%
Dec 200°C-6°C9°C 2019-15°C 200935%
Dec 210°C-6°C11°C 2019-16°C 200935%
Dec 22-1°C-6°C11°C 2019-16°C 199834%
Dec 23-1°C-6°C10°C 2015-21°C 199834%
Dec 24-1°C-6°C8°C 2014-20°C 199834%
Dec 25-1°C-6°C8°C 2017-19°C 200234%
Dec 26-1°C-6°C10°C 2015-25°C 199634%
Dec 27-1°C-6°C9°C 2015-25°C 199636%
Dec 28-1°C-6°C7°C 2015-24°C 199636%
Dec 29-1°C-6°C6°C 2013-26°C 199636%
Dec 30-1°C-6°C5°C 2013-21°C 199636%
Dec 31-1°C-6°C4°C 2006-19°C 200236%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Chełm, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+1).

December 1
sunrise 7:08 AM, sunset 3:22 PM
December 31
sunrise 7:30 AM, sunset 3:28 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.