The best times to visit Napanee for ideal weather are
May 14th 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.
Napanee Travel Guide
Other Napanee Travel Info
Weather in Napanee
Temperature
Average temperatures in Napanee vary an incredible amount. 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 32nd 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 Napanee, 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 79.6°F (26.4°C) with temperatures rarely dropping below 59.5°F (15.3°C) at night.
Napanee Temperatures (Fahrenheit)
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Napanee Temperatures (Celsius)
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“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.
Napanee Perceived Temperature (F)
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Napanee Perceived Temperature (C)
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Average Napanee 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 | 28.1 | 19.3 | 10.7 |
| Feb | 27.4 | 18.4 | 9.3 |
| Mar | 39.7 | 29.9 | 21.2 |
| Apr | 52.4 | 42 | 32.5 |
| May | 67.1 | 55.7 | 45.1 |
| Jun | 73.3 | 63.4 | 53.8 |
| Jul | 78.2 | 68.9 | 59 |
| Aug | 76.9 | 67.8 | 58 |
| Sep | 71.3 | 61.1 | 51.3 |
| Oct | 58.8 | 49.8 | 41.1 |
| Nov | 47.7 | 39.4 | 31.4 |
| Dec | 36.6 | 29.3 | 21.9 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | -2.2 | -7.1 | -11.8 |
| Feb | -2.6 | -7.6 | -12.6 |
| Mar | 4.3 | -1.2 | -6 |
| Apr | 11.3 | 5.6 | 0.3 |
| May | 19.5 | 13.2 | 7.3 |
| Jun | 22.9 | 17.4 | 12.1 |
| Jul | 25.7 | 20.5 | 15 |
| Aug | 24.9 | 19.9 | 14.4 |
| Sep | 21.8 | 16.2 | 10.7 |
| Oct | 14.9 | 9.9 | 5.1 |
| Nov | 8.7 | 4.1 | -0.3 |
| Dec | 2.6 | -1.5 | -5.6 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Napanee are February, January, 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 late August to early September. For example, on the week of August 27th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late October with an average of 2 days of significant precipitation the week of October 22nd.
When can you find snow in Napanee? Weather stations report a good amount of seasonal snow likely to be deepest around February, especially close to early to mid February. The best time to ski (if at all) in Napanee is often around around February 12th 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 Napanee.
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Snow on the Ground
The graph below shows the average snow on the ground in Napanee (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 16% | 2.2 | 2 |
| Feb | 15% | 2.8 | 1.4 |
| Mar | 17% | 1.9 | 1.9 |
| Apr | 26% | 0.7 | 3.1 |
| May | 20% | 0 | 2.7 |
| Jun | 25% | 0 | 4.1 |
| Jul | 18% | 0 | 2.8 |
| Aug | 19% | 0 | 2.5 |
| Sep | 16% | 0 | 2.6 |
| Oct | 23% | 1 | 2.9 |
| Nov | 19% | 0.5 | 1.9 |
| Dec | 21% | 1.2 | 2.9 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 16 | 5.6 | 5.1 |
| Feb | 15 | 7.1 | 3.6 |
| Mar | 17 | 4.8 | 4.8 |
| Apr | 26 | 1.8 | 7.9 |
| May | 20 | 0 | 6.9 |
| Jun | 25 | 0 | 10.4 |
| Jul | 18 | 0 | 7.1 |
| Aug | 19 | 0 | 6.4 |
| Sep | 16 | 0 | 6.6 |
| Oct | 23 | 2.5 | 7.4 |
| Nov | 19 | 1.3 | 4.8 |
| Dec | 21 | 3 | 7.4 |
Humidity and Wind
Napanee has some very humid months, with other comfortably humid months. The least humid month is March (58.9% relative humidity), and the most humid month is December (70.8%).
Wind in Napanee is usually moderate. The windiest month is November, followed by December and October. November’s average wind speed of around 9 knots (10.4 MPH or 16.7 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 mid to late November where average top sustained speeds reach 15.1 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Napanee.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 8.4 | Gentle breeze | 13.7 | Significant breeze |
| Feb | 7.9 | Gentle breeze | 12.6 | Significant breeze |
| Mar | 8.1 | Gentle breeze | 12.8 | Significant breeze |
| Apr | 8.1 | Gentle breeze | 12.9 | Significant breeze |
| May | 7 | Gentle breeze | 11.1 | Significant breeze |
| Jun | 6.5 | Light breeze | 10.6 | Gentle breeze |
| Jul | 6.6 | Light breeze | 10.8 | Significant breeze |
| Aug | 6.8 | Light breeze | 11.3 | Significant breeze |
| Sep | 7.3 | Gentle breeze | 11.8 | Significant breeze |
| Oct | 8.6 | Gentle breeze | 13.4 | Significant breeze |
| Nov | 9 | Gentle breeze | 13.9 | Significant breeze |
| Dec | 8.7 | Gentle breeze | 13.4 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 67.5% |
| Feb | 64.4% |
| Mar | 58.9% |
| Apr | 59.6% |
| May | 60.4% |
| Jun | 68.3% |
| Jul | 67.5% |
| Aug | 68.5% |
| Sep | 69.2% |
| Oct | 67.9% |
| Nov | 66% |
| Dec | 70.8% |
Is it Safe to Travel to Napanee?
#N/A
The Busiest and Least Crowded Months
The busiest month for tourism in Napanee, 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 Napanee 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
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Overall Napanee Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.5°F (21.9°C) and 30.4°F (-0.9°C) with far warmer temperatures in the later months. Rain is somewhat common with 5 to 8 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 moderate precipitation with 6 to 8 days of precipitation per month. June – August is the busiest season for tourism in Napanee, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 75.7°F (24.3°C) and 42.1°F (5.6°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 Napanee to be enjoyable for warm weather travelers. The average high during this season is between 38.9°F (3.8°C) and 23.8°F (-4.6°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are the slowest with tourists.
Best Times to Travel› Canada › Napanee, ON, Canada