The best times to visit River Valley for ideal weather are

June 4th 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 River Valley Travel Info

Weather in River Valley

Temperature

Average temperatures in River Valley 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 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 River Valley, 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 78.8°F (26°C) with temperatures rarely dropping below 56.7°F (13.7°C) at night.

River Valley Temperatures (Fahrenheit)

Key
High
Average
Low

River Valley 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.

River Valley Perceived Temperature (F)

Key
High
Average
Low

River Valley Perceived Temperature (C)

Key
High
Average
Low

 

Average River Valley 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 17.3 6.7
Feb 25.5 16.2 5.9
Mar 36.9 26.9 16.5
Apr 50.2 39.6 29.6
May 65.5 52.6 41.4
Jun 73.3 61.6 50.7
Jul 78.1 67.1 55.8
Aug 76.1 66.3 56.1
Sep 68.9 59.1 48.5
Oct 56.3 47.9 38.5
Nov 43.8 36.9 28
Dec 32.2 25.3 15.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -3.3 -8.2 -14.1
Feb -3.6 -8.8 -14.5
Mar 2.7 -2.8 -8.6
Apr 10.1 4.2 -1.3
May 18.6 11.4 5.2
Jun 22.9 16.4 10.4
Jul 25.6 19.5 13.2
Aug 24.5 19.1 13.4
Sep 20.5 15.1 9.2
Oct 13.5 8.8 3.6
Nov 6.6 2.7 -2.2
Dec 0.1 -3.7 -8.9

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in River Valley are February, March, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid February. For example, on the week of February 19th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid October with an average of 2 days of significant precipitation the week of October 15th.

When can you find snow in River Valley? Weather stations report very large amounts of snow likely to be deepest around March, especially close to mid March. The best time to ski (if at all) in River Valley is often around around March 26th 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 River Valley.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in River Valley (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% 9 1.8
Feb 10% 14.4 1.1
Mar 12% 16.8 1.3
Apr 23% 7.3 3
May 20% 0.6 2.4
Jun 22% 1.8 2.9
Jul 16% 0 2.4
Aug 19% 3.1 2.8
Sep 16% 3 2
Oct 28% 2.1 3.5
Nov 22% 1.7 2.5
Dec 21% 3.7 2.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 16 22.9 4.6
Feb 10 36.6 2.8
Mar 12 42.7 3.3
Apr 23 18.5 7.6
May 20 1.5 6.1
Jun 22 4.6 7.4
Jul 16 0 6.1
Aug 19 7.9 7.1
Sep 16 7.6 5.1
Oct 28 5.3 8.9
Nov 22 4.3 6.4
Dec 21 9.4 6.1

 

Humidity and Wind

River Valley has some very humid months, with other comfortably humid months. The least humid month is April (59% relative humidity), and the most humid month is December (74.7%).

Wind in River Valley is usually moderate. The windiest month is November, followed by December and April. November’s average wind speed of around 9.9 knots (11.4 MPH or 18.3 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early January where average top sustained speeds reach 18.4 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 9 Gentle breeze 17.1 Strong breeze
Feb 9 Gentle breeze 16.6 Significant breeze
Mar 8.6 Gentle breeze 16 Strong breeze
Apr 9.4 Gentle breeze 16.9 Significant breeze
May 8.4 Gentle breeze 15.8 Strong breeze
Jun 7.2 Gentle breeze 13.9 Significant breeze
Jul 7.5 Gentle breeze 14.2 Strong breeze
Aug 7.6 Gentle breeze 14.1 Significant breeze
Sep 7.9 Gentle breeze 14.5 Strong breeze
Oct 9.3 Gentle breeze 16.2 Significant breeze
Nov 9.9 Gentle breeze 17.4 Strong breeze
Dec 9.9 Gentle breeze 17.5 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 70.7%
Feb 65.1%
Mar 60.7%
Apr 59%
May 59.2%
Jun 67%
Jul 65.6%
Aug 69.8%
Sep 71.3%
Oct 71.2%
Nov 72.1%
Dec 74.7%

 

Is it Safe to Travel to River Valley?

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 River Valley, ON, Canada is July, followed by August and June. 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 River Valley 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

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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 33.7 in December means 33.7% of the tourists vs. July.

 

 

Overall River Valley Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 70°F (21.1°C) and 26.2°F (-3.2°C) with far warmer temperatures in the later months. Rain is somewhat common with 4 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 5 to 7 days of precipitation per month. June – August is the busiest season for tourism in River Valley, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 73.1°F (22.8°C) and 37.2°F (2.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 9 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Winter (December through February)

Weather is far too cold this time of year in River Valley to be enjoyable for warm weather travelers. The average high during this season is between 33.9°F (1.1°C) and 23.2°F (-4.9°C). On average, it rains or snows a fair amount: 3 to 6 times per month. These times of year are fairly slow with tourists.

 

Best Times to TravelCanada › River Valley, ON, Canada