Cool
Average highs are around -1°C, so pack for cooler days.
December verdict
Newmarket (Ontario), Canada in December
Weather score22Poor
Poor for holiday weather
Average highs are around -1°C, so pack for cooler days. Sunshine averages 2h per day, so this is not one of the brighter months. Rainfall averages 69mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
-1°C
Rain
69mm
Sun
2h
Weather score
22
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 69mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 2h per day, so this is not one of the brighter months.
Map
Weather map
Compare Newmarket (Ontario), Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December-1°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December69mm average rain
December sits near Newmarket (Ontario)'s yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to July and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December2 hours average sun
December is one of Newmarket (Ontario)'s cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
December22 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
Hotels near Newmarket (Ontario), Canada
Marriott
Fairfield Inn & Suites NewmarketNewmarket, Ontario, Canada
Fairfield by Marriott Inn & Suites BradfordBradford West Gwillimbury, Ontario, Canada
Sheraton Parkway Toronto North Hotel & SuitesRichmond Hill, Ontario, Canada
TownePlace Suites by Marriott VaughanVaughan, Ontario, Canada
Delta Hotels Toronto MarkhamMarkham, Ontario, Canada
Residence Inn Toronto MarkhamMarkham, Ontario, Canada