The best times to visit Grandvilliers for ideal weather are

June 4th to October 7th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Grandvilliers Travel Info

Weather in Grandvilliers

Temperature

Average temperatures in Grandvilliers vary greatly. 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 Grandvilliers, 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 78.1°F (25.6°C) with temperatures rarely dropping below 53.4°F (11.9°C) at night.

Grandvilliers Temperatures (Fahrenheit)

Key
High
Average
Low

Grandvilliers 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.

Grandvilliers Perceived Temperature (F)

Key
High
Average
Low

Grandvilliers Perceived Temperature (C)

Key
High
Average
Low

 

Average Grandvilliers 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 44.6 39.2 33.3
Feb 46.1 39.3 32.5
Mar 53.2 43.9 34.6
Apr 61.5 50.4 38.5
May 65.7 55.4 43.6
Jun 71.4 60.9 49.3
Jul 76 64.5 52.6
Aug 75.1 63.9 51.7
Sep 69 58.4 47.4
Oct 60.6 52.3 43.9
Nov 52 46 39.5
Dec 45.4 39.9 33.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 7 4 0.7
Feb 7.8 4.1 0.3
Mar 11.8 6.6 1.4
Apr 16.4 10.2 3.6
May 18.7 13 6.4
Jun 21.9 16.1 9.6
Jul 24.4 18.1 11.4
Aug 23.9 17.7 10.9
Sep 20.6 14.7 8.6
Oct 15.9 11.3 6.6
Nov 11.1 7.8 4.2
Dec 7.4 4.4 0.9

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Grandvilliers are April, September, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid February. For example, on the week of February 12th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 3 days of significant precipitation the week of December 3rd.

When can you find snow in Grandvilliers? Weather stations report a good amount of seasonal snow likely to be deepest around March, especially close to early to mid March. The best time to ski (if at all) in Grandvilliers is often around around December 17th 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 Grandvilliers.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Grandvilliers (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 19% 1.3 1.6
Feb 19% 0.7 1.6
Mar 16% 3.5 1.4
Apr 14% 0 1.1
May 20% 0 2.1
Jun 19% 0 2
Jul 22% 0.6 2.5
Aug 16% 0.4 2.3
Sep 16% 0 1.5
Oct 20% 0 2.2
Nov 23% 0.4 2.3
Dec 27% 2.4 2.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 19 3.3 4.1
Feb 19 1.8 4.1
Mar 16 8.9 3.6
Apr 14 0 2.8
May 20 0 5.3
Jun 19 0 5.1
Jul 22 1.5 6.4
Aug 16 1 5.8
Sep 16 0 3.8
Oct 20 0 5.6
Nov 23 1 5.8
Dec 27 6.1 6.6

 

Humidity and Wind

Grandvilliers has some extremely humid months, and above average humidity throughout the year. The least humid month is July (63.2% relative humidity), and the most humid month is December (85.6%).

Wind in Grandvilliers is usually moderate. The windiest month is January, followed by March and December. January’s average wind speed of around 8.2 knots (9.4 MPH or 15.2 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 late February and early March where average top sustained speeds reach 16 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 8.2 Gentle breeze 13.9 Significant breeze
Feb 7.9 Gentle breeze 13.7 Significant breeze
Mar 8.1 Gentle breeze 14 Significant breeze
Apr 6.9 Light breeze 12.5 Significant breeze
May 7.1 Gentle breeze 12.9 Significant breeze
Jun 6.8 Light breeze 12.2 Significant breeze
Jul 6.8 Light breeze 13 Significant breeze
Aug 6.6 Light breeze 12.6 Significant breeze
Sep 6.6 Light breeze 12.3 Significant breeze
Oct 6.5 Light breeze 11.9 Significant breeze
Nov 7.6 Gentle breeze 12.9 Significant breeze
Dec 8.1 Gentle breeze 13.7 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 84.4%
Feb 80.2%
Mar 71.3%
Apr 65.8%
May 68.3%
Jun 67.2%
Jul 63.2%
Aug 65.1%
Sep 70.1%
Oct 80.3%
Nov 85.4%
Dec 85.6%

 

Is it Safe to Travel to Grandvilliers?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for France; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 20, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Grandvilliers, France is July, followed by June and February. 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 Grandvilliers in March. 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 35 in March means 35% of the tourists vs. July.

 

 

Overall Grandvilliers Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 68.8°F (20.4°C) and 49.9°F (9.9°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 6 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have comfortably cool 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 Grandvilliers, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 71.4°F (21.9°C) and 46.9°F (8.3°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 the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Grandvilliers to be enjoyable for warm weather travelers. The average high during this season is between 49.9°F (9.9°C) and 42.3°F (5.7°C). On average, it rains or snows a fair amount: 5 to 8 times per month. These times of year are the second busiest with tourists.

 

Best Times to Travel› France › Grandvilliers, France