East Gwillimbury climate

East Gwillimbury Weather in January

NASA POWER reanalysis for the half-degree grid cell around East Gwillimbury, 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 January 1 to -3°C on January 31, and lows from -8°C to -11°C. Normal precipitation for the month is 47 mm over about 12 wet days.

January day by day

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

Normal daily high and low temperature at East Gwillimbury, in °C.-12-10-8-6-4-20151015202530
  • Normal low
  • Normal high

January at a glance

Average high
-3°C
Average low
-10°C
Precipitation
47 mm
Daylight
8 h 57 min to 9 h 51 min
Cloud cover
77%
Humidity
90%
Dew point
-8°C
Wind
20.9 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
Jan 1-2°C-8°C39%
Jan 2-2°C-8°C40%
Jan 3-2°C-8°C40%
Jan 4-2°C-8°C41%
Jan 5-2°C-8°C42%
Jan 6-2°C-9°C41%
Jan 7-2°C-9°C42%
Jan 8-2°C-9°C41%
Jan 9-2°C-9°C42%
Jan 10-2°C-9°C43%
Jan 11-3°C-9°C43%
Jan 12-3°C-10°C42%
Jan 13-3°C-10°C41%
Jan 14-3°C-10°C40%
Jan 15-3°C-10°C40%
Jan 16-3°C-10°C40%
Jan 17-3°C-10°C40%
Jan 18-3°C-10°C40%
Jan 19-3°C-11°C38%
Jan 20-4°C-11°C38%
Jan 21-4°C-11°C38%
Jan 22-4°C-11°C37%
Jan 23-4°C-11°C36%
Jan 24-4°C-11°C35%
Jan 25-4°C-11°C34%
Jan 26-4°C-11°C34%
Jan 27-3°C-11°C35%
Jan 28-3°C-11°C36%
Jan 29-3°C-11°C35%
Jan 30-3°C-11°C35%
Jan 31-3°C-11°C34%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:53 AM, sunset 4:50 PM
January 31
sunrise 7:36 AM, sunset 5:27 PM

Every day of January: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CA1ON001152, every year on file, quality-flagged values removed. 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.