The best times to visit Grand Falls – Windsor for ideal weather are
June 18th to September 9th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Grand Falls – Windsor Travel Guide
Other Grand Falls – Windsor Travel Info
Weather in Grand Falls – Windsor
Temperature
Average temperatures in Grand Falls – Windsor vary drastically. Considering humidity, temperatures feel cold for most of the year with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 15th 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 Grand Falls – Windsor, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 78.9°F (26.1°C) with temperatures rarely dropping below 52.9°F (11.6°C) at night.
Grand Falls – Windsor Temperatures (Fahrenheit)
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Grand Falls – Windsor 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.
Grand Falls – Windsor Perceived Temperature (F)
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Grand Falls – Windsor Perceived Temperature (C)
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Average Grand Falls – Windsor 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 | 28.9 | 19 | 8.2 |
| Feb | 29 | 18.2 | 6.6 |
| Mar | 34.8 | 23.3 | 11.1 |
| Apr | 46.4 | 34.8 | 24.3 |
| May | 58.2 | 45 | 33.3 |
| Jun | 67.2 | 53.8 | 41.1 |
| Jul | 77.5 | 63.1 | 49.8 |
| Aug | 74.7 | 61.9 | 50.3 |
| Sep | 66.7 | 53.5 | 41.1 |
| Oct | 54 | 42.8 | 32.8 |
| Nov | 42.8 | 34.5 | 25.9 |
| Dec | 32.4 | 24.7 | 16.4 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | -1.7 | -7.2 | -13.2 |
| Feb | -1.7 | -7.7 | -14.1 |
| Mar | 1.6 | -4.8 | -11.6 |
| Apr | 8 | 1.6 | -4.3 |
| May | 14.6 | 7.2 | 0.7 |
| Jun | 19.6 | 12.1 | 5.1 |
| Jul | 25.3 | 17.3 | 9.9 |
| Aug | 23.7 | 16.6 | 10.2 |
| Sep | 19.3 | 11.9 | 5.1 |
| Oct | 12.2 | 6 | 0.4 |
| Nov | 6 | 1.4 | -3.4 |
| Dec | 0.2 | -4.1 | -8.7 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Grand Falls – Windsor are March, April, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early March. For example, on the week of March 5th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late November to early December with an average of 3 days of significant precipitation the week of November 26th.
When can you find snow in Grand Falls – Windsor? Weather stations report very large amounts of snow likely to be deepest around March, especially close to late February and early March. The best time to ski (if at all) in Grand Falls – Windsor 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 Grand Falls – Windsor.
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Snow on the Ground
The graph below shows the average snow on the ground in Grand Falls – Windsor (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 | 29% | 13.8 | 3.8 |
| Feb | 21% | 20.3 | 2.7 |
| Mar | 17% | 22.4 | 2 |
| Apr | 17% | 14.7 | 1.6 |
| May | 21% | 0.8 | 2.6 |
| Jun | 21% | 0 | 2.7 |
| Jul | 24% | 0 | 4.7 |
| Aug | 23% | 0 | 4.3 |
| Sep | 23% | 4.6 | 3.1 |
| Oct | 22% | 2.4 | 2.5 |
| Nov | 28% | 2 | 3.7 |
| Dec | 31% | 5.8 | 4.4 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 29 | 35.1 | 9.7 |
| Feb | 21 | 51.6 | 6.9 |
| Mar | 17 | 56.9 | 5.1 |
| Apr | 17 | 37.3 | 4.1 |
| May | 21 | 2 | 6.6 |
| Jun | 21 | 0 | 6.9 |
| Jul | 24 | 0 | 11.9 |
| Aug | 23 | 0 | 10.9 |
| Sep | 23 | 11.7 | 7.9 |
| Oct | 22 | 6.1 | 6.4 |
| Nov | 28 | 5.1 | 9.4 |
| Dec | 31 | 14.7 | 11.2 |
Humidity and Wind
Grand Falls – Windsor has some extremely humid months, and above average humidity throughout the year. The least humid month is April (68% relative humidity), and the most humid month is December (81.4%).
Wind in Grand Falls – Windsor is usually calm. The windiest month is March, followed by April and May. March’s average wind speed of around 5.3 knots (6.1 MPH or 9.8 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 late January where average top sustained speeds reach 10.2 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Grand Falls – Windsor.
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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 | 4.9 | Light breeze | 9.5 | Gentle breeze |
| Feb | 5 | Light breeze | 9.6 | Gentle breeze |
| Mar | 5.3 | Light breeze | 9.6 | Gentle breeze |
| Apr | 5.3 | Light breeze | 9.4 | Gentle breeze |
| May | 5 | Light breeze | 9 | Gentle breeze |
| Jun | 4.3 | Light breeze | 8 | Gentle breeze |
| Jul | 4.2 | Light breeze | 8.1 | Gentle breeze |
| Aug | 3.6 | Barely noticeable | 7.3 | Gentle breeze |
| Sep | 4.2 | Light breeze | 8.6 | Gentle breeze |
| Oct | 4.2 | Light breeze | 8.4 | Gentle breeze |
| Nov | 4.7 | Light breeze | 8.8 | Gentle breeze |
| Dec | 4.8 | Light breeze | 8.7 | Gentle breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 79.4% |
| Feb | 76.9% |
| Mar | 69.2% |
| Apr | 68% |
| May | 69.8% |
| Jun | 69.5% |
| Jul | 69.8% |
| Aug | 75.7% |
| Sep | 76.4% |
| Oct | 81.2% |
| Nov | 80.8% |
| Dec | 81.4% |
Is it Safe to Travel to Grand Falls – Windsor?
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The Busiest and Least Crowded Months
The busiest month for tourism in Grand Falls – Windsor, NL, 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 Grand Falls – Windsor 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
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Overall Grand Falls – Windsor Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very cold. Highs range from 61.3°F (16.3°C) and 31.8°F (-0.1°C) with far warmer temperatures in the later months. Rain is somewhat common with 5 to 6 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 comfortably cool weather with high temperatures that are comfortable. These months see moderate precipitation with 6 to 7 days of precipitation per month. June – August is the busiest season for tourism in Grand Falls – Windsor, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 69.5°F (20.8°C) and 38.6°F (3.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 8 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 Grand Falls – Windsor to be enjoyable for warm weather travelers. The average high during this season is between 36.2°F (2.3°C) and 25°F (-3.9°C). On average, it rains or snows a fair amount: 6 to 9 times per month. These times of year are the slowest with tourists.
Best Times to Travel› Canada › Grand Falls – Windsor, NL, Canada