The best times to visit Hamilton for ideal weather are

April 23rd to July 8th

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 chance of rain or snow throughout most of the year. The area is less temperate than some — in the 20th 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 88.7°F (31.5°C) with temperatures rarely dropping below 65.4°F (18.6°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 39.1 29.5 20.5
Feb 40.7 30 20.2
Mar 56.8 44 33.1
Apr 68.3 55 42.5
May 77.9 65.2 53
Jun 84.9 73 61.8
Jul 86.6 74.8 63.8
Aug 87.1 73.9 61.8
Sep 81.1 66.7 54.5
Oct 68.9 54.5 42.5
Nov 56.3 43.1 31.6
Dec 45.6 36.1 27.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 3.9 -1.4 -6.4
Feb 4.8 -1.1 -6.6
Mar 13.8 6.7 0.6
Apr 20.2 12.8 5.8
May 25.5 18.4 11.7
Jun 29.4 22.8 16.6
Jul 30.3 23.8 17.7
Aug 30.6 23.3 16.6
Sep 27.3 19.3 12.5
Oct 20.5 12.5 5.8
Nov 13.5 6.2 -0.2
Dec 7.6 2.3 -2.4

 


 

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, November, 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 early November. For example, on the week of November 5th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid June with an average of 3 days of significant precipitation the week of June 18th.

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 21% 0 2.8
Feb 19% 0 2.5
Mar 26% 0 4.1
Apr 31% 0 5.2
May 27% 0 4.4
Jun 31% 0 4.9
Jul 23% 0 3.5
Aug 14% 0 2.4
Sep 20% 0 3.3
Oct 20% 0 3.5
Nov 19% 0 3.1
Dec 29% 0 4.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 21 0 7.1
Feb 19 0 6.4
Mar 26 0 10.4
Apr 31 0 13.2
May 27 0 11.2
Jun 31 0 12.4
Jul 23 0 8.9
Aug 14 0 6.1
Sep 20 0 8.4
Oct 20 0 8.9
Nov 19 0 7.9
Dec 29 0 10.9

 

Humidity and Wind

Hamilton has some high humidity months, with other comfortably humid months. The least humid month is April (50.8% relative humidity), and the most humid month is December (66.5%).

Wind in Hamilton is usually calm. The windiest month is January, followed by April and February. January’s average wind speed of around 5.7 knots (6.5 MPH or 10.5 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 April where average top sustained speeds reach 13.3 knots, which is considered a moderate 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 5.7 Light breeze 12 Significant breeze
Feb 5.6 Light breeze 12 Significant breeze
Mar 5.5 Light breeze 12 Significant breeze
Apr 5.7 Light breeze 12.7 Significant breeze
May 3.9 Barely noticeable 10.5 Significant breeze
Jun 3.6 Barely noticeable 11 Significant breeze
Jul 3 Barely noticeable 9.4 Significant breeze
Aug 2.8 Barely noticeable 9.1 Gentle breeze
Sep 3 Barely noticeable 9 Significant breeze
Oct 4 Light breeze 10.2 Gentle breeze
Nov 4.3 Light breeze 10.4 Significant breeze
Dec 4.9 Light breeze 10.8 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 60.2%
Feb 58.1%
Mar 53.2%
Apr 50.8%
May 57.9%
Jun 61.7%
Jul 64.1%
Aug 61.7%
Sep 62.2%
Oct 59.8%
Nov 58.3%
Dec 66.5%

 

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 the United States; 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 Sep 23, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Hamilton, OH, US is June, followed by February and July. 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 October. 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 47.6 in October means 47.6% 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 83.7°F (28.7°C) and 44.2°F (6.8°C) with warmer temperatures in the later months. Rain is somewhat common with 8 to 9 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 quite warm. These months see moderate precipitation with 4 to 9 days of precipitation per month. 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 85.3°F (29.6°C) and 50.2°F (10.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: approximately 6 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 Hamilton to be enjoyable for warm weather travelers. The average high during this season is between 46.9°F (8.3°C) and 36.1°F (2.3°C). On average, it rains or snows a fair amount: 5 to 9 times per month. These times of year are fairly slow with tourists.

 

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