The best times to visit Blue Mountains for ideal weather are

May 14th to October 7th

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



Other Blue Mountains Travel Info

Weather in Blue Mountains


Average temperatures in Blue Mountains vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 34th 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 Blue Mountains, 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 81.1°F (27.3°C) with temperatures rarely dropping below 61°F (16.1°C) at night.

Blue Mountains Temperatures (Fahrenheit)


Blue Mountains Temperatures (Celsius)


“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.

Blue Mountains Perceived Temperature (F)


Blue Mountains Perceived Temperature (C)



Average Blue Mountains 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

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 30.5 22.5 15.2
Feb 29.3 21.5 14.1
Mar 40.3 31.2 23.1
Apr 53.7 43.1 34.8
May 66.9 55.1 45.2
Jun 73.8 63.5 54.4
Jul 79.4 69.4 60
Aug 78.6 68.7 59.6
Sep 72.8 62.2 52.9
Oct 59.7 50.9 43.3
Nov 47.6 39.8 32.5
Dec 36.1 29.3 23.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -0.8 -5.3 -9.3
Feb -1.5 -5.8 -9.9
Mar 4.6 -0.4 -4.9
Apr 12.1 6.2 1.6
May 19.4 12.8 7.3
Jun 23.2 17.5 12.4
Jul 26.3 20.8 15.6
Aug 25.9 20.4 15.3
Sep 22.7 16.8 11.6
Oct 15.4 10.5 6.3
Nov 8.7 4.3 0.3
Dec 2.3 -1.5 -4.9



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Blue Mountains are February, March, and then January. 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 September with an average of 2 days of significant precipitation the week of September 24th.

When can you find snow in Blue Mountains? 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.

Chance of Precipitation

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

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 16% 0 1.6
Feb 11% 0 1.1
Mar 11% 0 1.3
Apr 22% 0 2.2
May 19% 0 2.5
Jun 22% 0 3.2
Jul 17% 0 2.4
Aug 17% 0 2.6
Sep 24% 0 3.2
Oct 26% 0 3
Nov 24% 0 2.6
Dec 28% 0 2.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 16 0 4.1
Feb 11 0 2.8
Mar 11 0 3.3
Apr 22 0 5.6
May 19 0 6.4
Jun 22 0 8.1
Jul 17 0 6.1
Aug 17 0 6.6
Sep 24 0 8.1
Oct 26 0 7.6
Nov 24 0 6.6
Dec 28 0 6.4


Humidity and Wind

Blue Mountains has some very humid months, with other comfortably humid months. The least humid month is April (57.8% relative humidity), and the most humid month is December (73%).

Wind in Blue Mountains is usually calm. The windiest month is February, followed by March and December. February’s average wind speed of around 7.8 knots (8.9 MPH or 14.4 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 January where average top sustained speeds reach 14.7 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.5 Gentle breeze 13.6 Significant breeze
Feb 7.8 Gentle breeze 13.7 Significant breeze
Mar 7.7 Gentle breeze 13.6 Significant breeze
Apr 7.5 Gentle breeze 13.1 Significant breeze
May 5.6 Light breeze 10.8 Significant breeze
Jun 5 Light breeze 9.8 Gentle breeze
Jul 4.8 Light breeze 9.4 Significant breeze
Aug 5.1 Light breeze 9.7 Gentle breeze
Sep 5.3 Light breeze 10.1 Significant breeze
Oct 6.3 Light breeze 11.3 Significant breeze
Nov 6.9 Light breeze 12.5 Significant breeze
Dec 7.6 Gentle breeze 13 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 70.6%
Feb 67.1%
Mar 59.9%
Apr 57.8%
May 59.8%
Jun 65.7%
Jul 62.3%
Aug 64.6%
Sep 66.6%
Oct 67%
Nov 66.1%
Dec 73%


Is it Safe to Travel to Blue Mountains?

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 Blue Mountains, 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 Blue Mountains 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

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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 33.7 in December means 33.7% of the tourists vs. July.



Overall Blue Mountains Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.7°F (23.2°C) and 30°F (-1.1°C) with far warmer temperatures in the later months. Rain is somewhat common with 4 to 6 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see moderate precipitation with 5 to 7 days of precipitation per month. June – August is the busiest season for tourism in Blue Mountains, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 77.2°F (25.1°C) and 40.5°F (4.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 8 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 Blue Mountains to be enjoyable for warm weather travelers. The average high during this season is between 37.8°F (3.2°C) and 26.9°F (-2.8°C). On average, it rains or snows a fair amount: 3 to 9 times per month. These times of year are fairly slow with tourists.


Best Times to TravelCanada › Blue Mountains, ON, Canada