The best times to visit Ajax for ideal weather are
June 4th to September 9th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Ajax Travel Guide
Weather in Ajax
Average temperatures in Ajax vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 41st 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 Ajax, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 79.5°F (26.4°C) with temperatures rarely dropping below 59.1°F (15.1°C) at night.
Ajax Temperatures (Fahrenheit)
Ajax Temperatures (Celsius)
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.
Ajax Perceived Temperature (F)
Ajax Perceived Temperature (C)
Average Ajax 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Ajax are March, February, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late March. For example, on the week of March 26th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid October with an average of 2 days of significant precipitation the week of October 15th.
When can you find snow in Ajax? Weather stations report no annual snow. 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.
The graph below shows the % chance of rainy and snowy days in Ajax.
Snow on the Ground
The graph below shows the average snow on the ground in Ajax (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Ajax has some very humid months, with other comfortably humid months. The least humid month is April (53.2% relative humidity), and the most humid month is October (73.3%).
Wind in Ajax is usually calm. The windiest month is April, followed by March and January. April’s average wind speed of around 7.6 knots (8.7 MPH or 14 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 early April where average top sustained speeds reach 15.4 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Ajax.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||6.9||Light breeze||12.7||Significant breeze|
|Feb||6.7||Light breeze||12.7||Significant breeze|
|Mar||7.4||Gentle breeze||13.4||Significant breeze|
|Apr||7.6||Gentle breeze||14.3||Significant breeze|
|May||6.7||Light breeze||12.7||Significant breeze|
|Jun||6.1||Light breeze||12.4||Significant breeze|
|Jul||5.7||Light breeze||11.4||Significant breeze|
|Aug||5.8||Light breeze||11.7||Significant breeze|
|Sep||6.1||Light breeze||12.1||Significant breeze|
|Oct||6.6||Light breeze||12.5||Significant breeze|
|Nov||6.9||Light breeze||12.9||Significant breeze|
|Dec||6.7||Light breeze||12||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Ajax?
Our best data indicates this area is generally safe. As of Mar 17, 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 Mar 17, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Ajax, ON, CA is August, followed by July and September. 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 Ajax 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
Overall Ajax Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 67.7°F (19.8°C) and 24°F (-4.4°C) with far warmer temperatures in the later months. Rain is rare with 2 to 4 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 3 to 5 days of precipitation per month. June – August is the busiest season for tourism in Ajax, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 71.6°F (22°C) and 33.7°F (0.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 5 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is far too cold this time of year in Ajax to be enjoyable for warm weather travelers. The average high during this season is between 28.8°F (-1.8°C) and 17.2°F (-8.2°C). On average, it rains or snows a smalll amount: 2 to 3 times per month. These times of year are the slowest with tourists.