Niagara-on-the-Lake climate

Niagara-on-the-Lake Weather in December

1991-2020 means of the daily record at Port Weller (Aut) (GHCN CA006136699), 11 km from Niagara-on-the-Lake

Average highs run from 6°C on December 1 to 2°C on December 31, and lows from 1°C to -3°C.

December day by day

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

Normal daily high and low temperature at Niagara-on-the-Lake, in °C, with the record for each date.-20-1001020151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
3°C
Average low
-2°C
Record high
19°CDec 6, 1998
Record low
-16°CDec 20, 2004
Daylight
9 h 13 min to 9 h 03 min
Cloud cover
79%
Humidity
82%
Dew point
-2°C
Wind
26.6 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 16°C1°C14°C 1996-7°C 200749%
Dec 26°C1°C14°C 2018-9°C 200249%
Dec 36°C1°C13°C 1998-9°C 200250%
Dec 46°C1°C17°C 2012-7°C 200250%
Dec 55°C0°C19°C 2001-8°C 202549%
Dec 65°C0°C19°C 1998-7°C 200048%
Dec 74°C-1°C19°C 1998-8°C 200649%
Dec 83°C-2°C11°C 2023-8°C 200648%
Dec 94°C-1°C16°C 2023-11°C 199547%
Dec 104°C-1°C13°C 2015-11°C 199548%
Dec 112°C-1°C19°C 2021-10°C 199547%
Dec 124°C-2°C13°C 2020-9°C 201345%
Dec 133°C-2°C12°C 2001-10°C 201045%
Dec 143°C-1°C16°C 2015-9°C 201044%
Dec 153°C-1°C14°C 2021-10°C 201745%
Dec 164°C-1°C17°C 2021-10°C 201348%
Dec 173°C-1°C12°C 2015-9°C 201348%
Dec 182°C-2°C13°C 2025-8°C 201948%
Dec 193°C-2°C11°C 2025-15°C 200447%
Dec 202°C-3°C10°C 2002-16°C 200447%
Dec 213°C-2°C11°C 2015-11°C 200846%
Dec 224°C-1°C12°C 2015-13°C 200045%
Dec 233°C-2°C11°C 1996-11°C 202245%
Dec 243°C-2°C18°C 2015-11°C 202245%
Dec 251°C-3°C8°C 2021-13°C 200444%
Dec 262°C-3°C14°C 2016-14°C 199345%
Dec 273°C-3°C17°C 2008-15°C 199347%
Dec 283°C-3°C17°C 2008-13°C 201747%
Dec 292°C-3°C13°C 2025-12°C 201748%
Dec 302°C-3°C13°C 2022-12°C 201748%
Dec 312°C-3°C12°C 2010-13°C 201748%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Niagara-on-the-Lake, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:29 AM, sunset 4:42 PM
December 31
sunrise 7:48 AM, sunset 4:51 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CA006136699, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.