The best times to visit Newmarket for ideal weather are

May 21st to September 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.


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Other Newmarket Travel Info

Weather in Newmarket

Temperature

Average temperatures in Newmarket vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 26th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Newmarket, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 84.2°F (29°C) with temperatures rarely dropping below 60.6°F (15.9°C) at night.

Newmarket Temperatures (Fahrenheit)

Key
High
Average
Low

Newmarket Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Newmarket Perceived Temperature (F)

Key
High
Average
Low

Newmarket Perceived Temperature (C)

Key
High
Average
Low

 

Average Newmarket Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
Jan30.42213.7
Feb29.62112.2
Mar4231.622.4
Apr56.544.633.8
May70.158.145.6
Jun77.466.154.8
Jul82.371.359.4
Aug80.36958
Sep7461.650.9
Oct60.249.541
Nov4838.630.2
Dec36.428.921.8

Show Celsius

MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
Jan-0.9-5.6-10.2
Feb-1.3-6.1-11
Mar5.6-0.2-5.3
Apr13.671
May21.214.57.6
Jun25.218.912.7
Jul27.921.815.2
Aug26.820.614.4
Sep23.316.410.5
Oct15.79.75
Nov8.93.7-1
Dec2.4-1.7-5.7


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Newmarket are March, February, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid February. For example, on the week of February 12th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late July with an average of 3 days of significant precipitation the week of July 23rd.

When can you find snow in Newmarket? Weather stations report large amounts of snow likely to be deepest around February, especially close to early March. The best time to ski (if at all) in Newmarket is often around around December 17th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Newmarket.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Newmarket (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
Jan21%4.32.2
Feb19%6.22.1
Mar17%5.21.9
Apr24%0.82.9
May21%03
Jun33%04.8
Jul21%03.3
Aug21%03.4
Sep21%03.6
Oct25%0.43
Nov22%1.42.4
Dec24%3.42.7

Show Centimeters

MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
Jan2110.95.6
Feb1915.75.3
Mar1713.24.8
Apr2427.4
May2107.6
Jun33012.2
Jul2108.4
Aug2108.6
Sep2109.1
Oct2517.6
Nov223.66.1
Dec248.66.9

 

Humidity and Wind

Newmarket has some high humidity months, with other comfortably humid months. The least humid month is April (52.3% relative humidity), and the most humid month is December (69.3%).

Wind in Newmarket is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 7.5 knots (8.6 MPH or 13.8 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late April where average top sustained speeds reach 12.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Newmarket.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
Jan6.8Light breeze10.3Gentle breeze
Feb7Gentle breeze10.7Gentle breeze
Mar7Gentle breeze10.7Gentle breeze
Apr7.5Gentle breeze11.9Significant breeze
May6.2Light breeze9.9Gentle breeze
Jun5.8Light breeze9.2Gentle breeze
Jul5.4Light breeze8.6Gentle breeze
Aug5Light breeze8.5Gentle breeze
Sep4.8Light breeze8.2Gentle breeze
Oct5.5Light breeze9.2Gentle breeze
Nov6Light breeze9.6Gentle breeze
Dec6.8Light breeze10.1Gentle breeze

Show Relative Humidity by Month

MonthAvg. Relative Humidity
Jan62.3%
Feb59.9%
Mar55.4%
Apr52.3%
May52.9%
Jun58.3%
Jul56.1%
Aug62.2%
Sep66.5%
Oct69.1%
Nov66.3%
Dec69.3%

 

Is it Safe to Travel to Newmarket?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Canada; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 07, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Newmarket, ON, Canada is July, followed by August and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Newmarket in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 56.9 in December means 56.9% of the tourists vs. July.


Overall Newmarket Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 76.1°F (24.5°C) and 32°F (0°C) with far warmer temperatures in the later months. Rain is somewhat common with 5 to 7 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 6 to 10 days of precipitation per month. June – August is the busiest season for tourism in Newmarket, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 78.8°F (26°C) and 41.7°F (5.4°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Newmarket to be enjoyable for warm weather travelers. The average high during this season is between 37.9°F (3.3°C) and 27°F (-2.8°C). On average, it rains or snows a fair amount: 5 to 7 times per month. These times of year are fairly slow with tourists.

 

Best Times to TravelCanada › Newmarket, ON, Canada


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