The best times to visit Bolton 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.

 

 


Other Bolton Travel Info

Weather in Bolton

Temperature

Average temperatures in Bolton 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 29th 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 Bolton, 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 84.4°F (29.1°C) with temperatures rarely dropping below 63.2°F (17.3°C) at night.

Bolton Temperatures (Fahrenheit)

Key
High
Average
Low

Bolton 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.

Bolton Perceived Temperature (F)

Key
High
Average
Low

Bolton Perceived Temperature (C)

Key
High
Average
Low

 

Average Bolton 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 31.4 23.3 15.9
Feb 30.5 22.3 14.9
Mar 42.7 33.1 24.7
Apr 57.1 45.5 35.8
May 70.4 58.6 47.9
Jun 77.7 66.8 57.2
Jul 82.7 72 61.7
Aug 80.7 70.2 60.8
Sep 74.1 63.4 54
Oct 61 51.2 43.1
Nov 48.7 39.9 32.1
Dec 37.4 30.5 24.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -0.3 -4.8 -8.9
Feb -0.8 -5.4 -9.5
Mar 5.9 0.6 -4.1
Apr 13.9 7.5 2.1
May 21.3 14.8 8.8
Jun 25.4 19.3 14
Jul 28.2 22.2 16.5
Aug 27.1 21.2 16
Sep 23.4 17.4 12.2
Oct 16.1 10.7 6.2
Nov 9.3 4.4 0.1
Dec 3 -0.8 -4.3

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Bolton are March, January, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid January. For example, on the week of January 15th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid August with an average of 2 days of significant precipitation the week of August 6th.

When can you find snow in Bolton? Weather stations report a good amount of seasonal snow likely to be deepest around February, especially close to early February. The best time to ski (if at all) in Bolton 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 Bolton.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 17% 2.8 1.8
Feb 18% 4.9 2.1
Mar 14% 3.2 1.8
Apr 23% 0.6 3
May 21% 0 2.9
Jun 28% 0 4
Jul 19% 0 3.7
Aug 19% 0 3
Sep 21% 0 3
Oct 24% 0 2.9
Nov 18% 1 2.2
Dec 19% 2.2 2.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 17 7.1 4.6
Feb 18 12.4 5.3
Mar 14 8.1 4.6
Apr 23 1.5 7.6
May 21 0 7.4
Jun 28 0 10.2
Jul 19 0 9.4
Aug 19 0 7.6
Sep 21 0 7.6
Oct 24 0 7.4
Nov 18 2.5 5.6
Dec 19 5.6 6.6

 

Humidity and Wind

Bolton has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (50% relative humidity), and the most humid month is December (66.8%).

Wind in Bolton is usually moderate. The windiest month is February, followed by April and January. February’s average wind speed of around 10 knots (11.5 MPH or 18.5 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 19.3 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 9.7 Gentle breeze 17.5 Strong breeze
Feb 10 Gentle breeze 17.5 Strong breeze
Mar 9.5 Gentle breeze 16.9 Strong breeze
Apr 9.9 Gentle breeze 18.5 Strong breeze
May 8.1 Gentle breeze 15.7 Strong breeze
Jun 7.8 Gentle breeze 15.4 Significant breeze
Jul 7.6 Gentle breeze 14.9 Strong breeze
Aug 7.4 Gentle breeze 14.7 Significant breeze
Sep 7.2 Gentle breeze 14.1 Strong breeze
Oct 8.2 Gentle breeze 15.5 Significant breeze
Nov 8.5 Gentle breeze 15.8 Strong breeze
Dec 9.4 Gentle breeze 16.5 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 63.2%
Feb 60.8%
Mar 53.5%
Apr 50%
May 52.1%
Jun 58.3%
Jul 56.2%
Aug 60.5%
Sep 64%
Oct 65.6%
Nov 64.3%
Dec 66.8%

 

Is it Safe to Travel to Bolton?

#N/A


 

The Busiest and Least Crowded Months

The busiest month for tourism in Bolton, 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 Bolton 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 Bolton Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 76.3°F (24.6°C) and 32.6°F (0.3°C) with far warmer temperatures in the later months. Rain is somewhat common with 4 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 8 days of precipitation per month. June – August is the busiest season for tourism in Bolton, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 79°F (26.1°C) and 42.8°F (6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 7 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 Bolton to be enjoyable for warm weather travelers. The average high during this season is between 39°F (3.9°C) and 27.7°F (-2.4°C). On average, it rains or snows a fair amount: 5 to 6 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› Canada › Bolton, ON, Canada