LaSalle climate

LaSalle Weather in December

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

Average highs run from 5°C on December 1 to 0°C on December 31, and lows from -1°C to -5°C. Normal precipitation for the month is 56 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 LaSalle, 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
2°C
Average low
-3°C
Precipitation
56 mm
Reanalysis high
15°CDec 6, 1998
Reanalysis low
-16°CDec 22, 2000
Daylight
9 h 19 min to 9 h 09 min
Cloud cover
75%
Humidity
86%
Dew point
-3°C
Wind
21.6 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 15°C-1°C11°C 1998-6°C 200236%
Dec 24°C-1°C14°C 1998-8°C 200235%
Dec 34°C-1°C14°C 1998-11°C 200235%
Dec 44°C-1°C14°C 1998-8°C 200234%
Dec 54°C-1°C14°C 2001-8°C 199133%
Dec 64°C-2°C15°C 1998-8°C 200033%
Dec 73°C-2°C14°C 2004-8°C 200534%
Dec 83°C-2°C10°C 1991-8°C 200234%
Dec 93°C-2°C10°C 1999-13°C 199535%
Dec 103°C-2°C10°C 2015-11°C 199535%
Dec 112°C-2°C11°C 2015-11°C 199534%
Dec 122°C-3°C15°C 2015-11°C 199534%
Dec 132°C-3°C14°C 2015-11°C 200034%
Dec 142°C-3°C13°C 2015-11°C 201034%
Dec 152°C-3°C11°C 2011-12°C 201635%
Dec 162°C-3°C11°C 2012-13°C 201336%
Dec 172°C-3°C11°C 2006-12°C 200036%
Dec 182°C-3°C6°C 2001-13°C 200036%
Dec 191°C-4°C7°C 2011-14°C 201636%
Dec 201°C-4°C8°C 2012-13°C 200435%
Dec 211°C-4°C8°C 2015-16°C 200835%
Dec 221°C-4°C10°C 2006-16°C 200034%
Dec 231°C-4°C13°C 2015-14°C 200834%
Dec 241°C-4°C12°C 2015-13°C 201333%
Dec 251°C-4°C8°C 2015-14°C 200033%
Dec 261°C-4°C11°C 2019-13°C 199335%
Dec 271°C-4°C11°C 2008-14°C 201735%
Dec 281°C-4°C11°C 2008-14°C 201735%
Dec 291°C-4°C9°C 2019-11°C 199336%
Dec 300°C-5°C8°C 2019-14°C 201736%
Dec 310°C-5°C11°C 2004-16°C 201736%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:42 AM, sunset 5:01 PM
December 31
sunrise 8:01 AM, sunset 5:10 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.