The best times to visit Hamilton for ideal weather are

May 21st to September 23rd

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


Average temperatures in Hamilton vary greatly. Considering humidity, temperatures feel cold for most of the year with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 48th 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 late July where highs are regularly around 66.3°F (19.1°C) with temperatures rarely dropping below 53.7°F (12.1°C) at night.

Hamilton Temperatures (Fahrenheit)


Hamilton 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.

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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 42.8 39.8 36.4
Feb 44.1 39.9 35.2
Mar 44.9 40.5 35.2
Apr 51.9 46.7 39.4
May 57.6 52.5 45.4
Jun 59.6 55.2 49.6
Jul 62.2 57.9 52.3
Aug 60.2 55.9 50.1
Sep 56.2 52 45.7
Oct 53.8 49.3 43.6
Nov 46.6 42.9 38.7
Dec 41.2 38 34.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 6 4.3 2.4
Feb 6.7 4.4 1.8
Mar 7.2 4.7 1.8
Apr 11.1 8.2 4.1
May 14.2 11.4 7.4
Jun 15.3 12.9 9.8
Jul 16.8 14.4 11.3
Aug 15.7 13.3 10.1
Sep 13.4 11.1 7.6
Oct 12.1 9.6 6.4
Nov 8.1 6.1 3.7
Dec 5.1 3.3 1.2




Humidity and Wind

Hamilton has some extremely humid months, and above average humidity throughout the year. The least humid month is May (65.4% relative humidity), and the most humid month is January (85%).

Wind in Hamilton is usually moderate. The windiest month is January, followed by March and February. January’s average wind speed of around 11.1 knots (12.7 MPH or 20.5 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early March where average top sustained speeds reach 19.9 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 11.1 Significant breeze 16.9 Significant breeze
Feb 9 Gentle breeze 13.5 Significant breeze
Mar 10.2 Gentle breeze 15.9 Significant breeze
Apr 7.8 Gentle breeze 12.5 Significant breeze
May 8 Gentle breeze 12.3 Significant breeze
Jun 8 Gentle breeze 12.3 Significant breeze
Jul 8 Gentle breeze 12.7 Significant breeze
Aug 7.5 Gentle breeze 11.6 Significant breeze
Sep 8 Gentle breeze 12.6 Significant breeze
Oct 8.3 Gentle breeze 13.2 Significant breeze
Nov 7.7 Gentle breeze 13.2 Significant breeze
Dec 9 Gentle breeze 14.6 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 85%
Feb 78%
Mar 76.4%
Apr 71.2%
May 65.4%
Jun 71.6%
Jul 75.4%
Aug 78.3%
Sep 80.2%
Oct 82.4%
Nov 84.4%
Dec 84.6%


Is it Safe to Travel to Hamilton?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for the United Kingdom; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 27, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Hamilton, the United Kingdom is July, followed by January 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 Hamilton 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 slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 66.4 in December means 66.4% of the tourists vs. July.



Overall Hamilton Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 61.2°F (16.2°C) and 43.1°F (6.2°C) with warmer temperatures in the later months. 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 comfortably cool weather with high temperatures that are brisk. June – August is the busiest season for tourism in Hamilton, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 59.5°F (15.3°C) and 42.7°F (5.9°C), which will feel chilly given the humidity and wind. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is too cold this time of year in Hamilton to be enjoyable for warm weather travelers. The average high during this season is between 46.1°F (7.8°C) and 33.6°F (0.9°C). These times of year are the second busiest with tourists.


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