The best times to visit Hamilton 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 Hamilton Travel Info

Weather in Hamilton

Temperature

Average temperatures in Hamilton 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 31st 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 Hamilton, 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 60.8°F (16°C) at night.

Hamilton Temperatures (Fahrenheit)

Key
High
Average
Low

Hamilton 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.

Hamilton Perceived Temperature (F)

Key
High
Average
Low

Hamilton Perceived Temperature (C)

Key
High
Average
Low

 

Average Hamilton 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 32.6 24.2 16.3
Feb 32.2 23.2 14.8
Mar 43.9 33.6 24.7
Apr 57.4 45 34.7
May 70 57.1 45.7
Jun 78.2 65.9 54.7
Jul 83.2 70.7 59
Aug 81.5 69.3 58.3
Sep 75.2 62.4 51.9
Oct 62.1 51 41.9
Nov 49.5 40.3 31.9
Dec 38.6 31.5 24.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 0.3 -4.3 -8.7
Feb 0.1 -4.9 -9.6
Mar 6.6 0.9 -4.1
Apr 14.1 7.2 1.5
May 21.1 13.9 7.6
Jun 25.7 18.8 12.6
Jul 28.4 21.5 15
Aug 27.5 20.7 14.6
Sep 24 16.9 11.1
Oct 16.7 10.6 5.5
Nov 9.7 4.6 -0.1
Dec 3.7 -0.3 -4.1

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Hamilton are August, February, 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 early June with an average of 2 days of significant precipitation the week of June 4th.

When can you find snow in Hamilton? 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 Hamilton.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Hamilton (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 14% 0 1.9
Feb 13% 0 1.8
Mar 22% 0 2.9
Apr 23% 0 3.2
May 20% 0 2.6
Jun 25% 0 3.4
Jul 18% 0 3.5
Aug 13% 0 2.2
Sep 17% 0 2.6
Oct 20% 0 2.8
Nov 16% 0 1.7
Dec 18% 0 2.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 14 0 4.8
Feb 13 0 4.6
Mar 22 0 7.4
Apr 23 0 8.1
May 20 0 6.6
Jun 25 0 8.6
Jul 18 0 8.9
Aug 13 0 5.6
Sep 17 0 6.6
Oct 20 0 7.1
Nov 16 0 4.3
Dec 18 0 5.8

 

Humidity and Wind

Hamilton has some very humid months, with other comfortably humid months. The least humid month is April (54.8% relative humidity), and the most humid month is December (71.4%).

Wind in Hamilton is usually extremely calm. The windiest month is April, followed by February and March. April’s average wind speed of around 4.8 knots (5.6 MPH or 8.9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 9.9 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 4.4 Light breeze 8.4 Gentle breeze
Feb 4.7 Light breeze 8.8 Gentle breeze
Mar 4.5 Light breeze 8.5 Gentle breeze
Apr 4.8 Light breeze 9.4 Gentle breeze
May 3.6 Barely noticeable 7.4 Gentle breeze
Jun 3.1 Barely noticeable 6.7 Light breeze
Jul 2.8 Barely noticeable 6.1 Gentle breeze
Aug 2.7 Barely noticeable 6 Light breeze
Sep 2.6 Barely noticeable 6.1 Gentle breeze
Oct 3.3 Barely noticeable 7 Gentle breeze
Nov 3.9 Barely noticeable 7.7 Gentle breeze
Dec 4.2 Light breeze 8 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 67.5%
Feb 64.9%
Mar 58.7%
Apr 54.8%
May 57.6%
Jun 64.2%
Jul 62.5%
Aug 65.8%
Sep 70%
Oct 70.3%
Nov 68.5%
Dec 71.4%

 

Is it Safe to Travel to Hamilton?

#N/A


 

The Busiest and Least Crowded Months

The busiest month for tourism in Hamilton, ON, Canada is June, followed by October and December. 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 Hamilton in April. 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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 54.6 in April means 54.6% of the tourists vs. June.

 

 

Overall Hamilton Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 77°F (25°C) and 34.2°F (1.2°C) with far warmer temperatures in the later months. Rain is somewhat common with 6 to 7 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 4 to 7 days of precipitation per month. June – August is the second busiest season for tourism in Hamilton, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 79.7°F (26.5°C) and 43.4°F (6.3°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 6 days per month. Tourism is the busiest during these months due to the weather, so hotels may be higher priced.

Winter (December through February)

Weather is far too cold this time of year in Hamilton to be enjoyable for warm weather travelers. The average high during this season is between 40°F (4.4°C) and 28.8°F (-1.8°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are fairly slow with tourists.

 

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