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.
Hamilton Travel Guide
Other Hamilton Travel Info
Weather in Hamilton
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)
Hamilton 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.
Hamilton Perceived Temperature (F)
Hamilton Perceived Temperature (C)
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.
|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 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.
Snow on the Ground
The graph below shows the average snow on the ground in Hamilton (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
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.
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||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|
Is it Safe to Travel to Hamilton?
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 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
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.