The best times to visit Kemptville 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 Kemptville Travel Info

Weather in Kemptville

Temperature

Average temperatures in Kemptville vary an incredible amount. 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 28th 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 Kemptville, 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 81.6°F (27.6°C) with temperatures rarely dropping below 59.6°F (15.3°C) at night.

Kemptville Temperatures (Fahrenheit)

Key
High
Average
Low

Kemptville 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.

Kemptville Perceived Temperature (F)

Key
High
Average
Low

Kemptville Perceived Temperature (C)

Key
High
Average
Low

 

Average Kemptville 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 26.4 16.1 6.9
Feb 27.4 17.5 8.7
Mar 40.6 29.6 20.3
Apr 56.2 43.8 33.1
May 70.1 57.2 45.4
Jun 76.7 64.5 54.1
Jul 80.7 69.1 58.7
Aug 78.9 66.7 55.9
Sep 73 59.8 49.2
Oct 59.3 48 38.9
Nov 46.6 36.3 27.9
Dec 31.7 23.6 16

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -3.1 -8.8 -13.9
Feb -2.6 -8.1 -12.9
Mar 4.8 -1.3 -6.5
Apr 13.4 6.6 0.6
May 21.2 14 7.4
Jun 24.8 18.1 12.3
Jul 27.1 20.6 14.8
Aug 26.1 19.3 13.3
Sep 22.8 15.4 9.6
Oct 15.2 8.9 3.8
Nov 8.1 2.4 -2.3
Dec -0.2 -4.7 -8.9

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Kemptville 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 March. For example, on the week of March 19th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid September with an average of 2 days of significant precipitation the week of September 10th.

When can you find snow in Kemptville? Weather stations report large amounts of snow likely to be deepest around February, especially close to early February. The best time to ski (if at all) in Kemptville is often around around December 3rd 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 Kemptville.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Kemptville (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 16% 5.5 1.8
Feb 17% 6.8 2
Mar 15% 5.7 2
Apr 23% 1.5 3.2
May 18% 0.8 2.3
Jun 24% 1.6 3.2
Jul 20% 0 3.3
Aug 22% 0 3.9
Sep 21% 0 2.9
Oct 24% 0.4 2.7
Nov 18% 1.5 1.8
Dec 22% 4.6 2.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 16 14 4.6
Feb 17 17.3 5.1
Mar 15 14.5 5.1
Apr 23 3.8 8.1
May 18 2 5.8
Jun 24 4.1 8.1
Jul 20 0 8.4
Aug 22 0 9.9
Sep 21 0 7.4
Oct 24 1 6.9
Nov 18 3.8 4.6
Dec 22 11.7 6.9

 

Humidity and Wind

Kemptville has some very humid months, with other comfortably humid months. The least humid month is April (52.1% relative humidity), and the most humid month is December (73.4%).

Wind in Kemptville is usually calm. The windiest month is April, followed by February and March. April’s average wind speed of around 5.3 knots (6.1 MPH or 9.9 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 April where average top sustained speeds reach 10.1 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 Light breeze 9.2 Gentle breeze
Feb 5.3 Light breeze 9.3 Gentle breeze
Mar 5.3 Light breeze 9.2 Gentle breeze
Apr 5.3 Light breeze 9.6 Gentle breeze
May 4.4 Light breeze 8.2 Gentle breeze
Jun 3.7 Barely noticeable 7.2 Gentle breeze
Jul 3.7 Barely noticeable 7.2 Gentle breeze
Aug 3.5 Barely noticeable 6.9 Light breeze
Sep 3.6 Barely noticeable 7.1 Gentle breeze
Oct 4.2 Light breeze 8 Gentle breeze
Nov 4.6 Light breeze 8.4 Gentle breeze
Dec 4.5 Light breeze 8.5 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 65.6%
Feb 61.1%
Mar 53.2%
Apr 52.1%
May 53.7%
Jun 63.3%
Jul 62.9%
Aug 66.7%
Sep 67.7%
Oct 67.2%
Nov 65.8%
Dec 73.4%

 

Is it Safe to Travel to Kemptville?

#N/A


 

The Busiest and Least Crowded Months

The busiest month for tourism in Kemptville, ON, Canada is August, followed by September 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 Kemptville in November. 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 49.3 in November means 49.3% of the tourists vs. August.

 

 

Overall Kemptville Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.9°F (23.3°C) and 30°F (-1.1°C) with far warmer temperatures in the later months. Rain is somewhat common with 5 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 7 days of precipitation per month. June – August is the busiest season for tourism in Kemptville, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 78.1°F (25.6°C) and 38.4°F (3.6°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 fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Kemptville to be enjoyable for warm weather travelers. The average high during this season is between 35.2°F (1.8°C) and 21.5°F (-5.8°C). On average, it rains or snows a fair amount: 5 to 7 times per month. These times of year are the slowest with tourists.

 

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