The best times to visit Aire-sur-la-Lys for ideal weather are

April 30th to October 21st

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

 

 


Other Aire-sur-la-Lys Travel Info

Weather in Aire-sur-la-Lys

Temperature

Average temperatures in Aire-sur-la-Lys vary greatly. 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 35th 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 Aire-sur-la-Lys, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 73.4°F (23°C) with temperatures rarely dropping below 59.4°F (15.2°C) at night.

Aire-sur-la-Lys Temperatures (Fahrenheit)

Key
High
Average
Low

Aire-sur-la-Lys 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.

Aire-sur-la-Lys Perceived Temperature (F)

Key
High
Average
Low

Aire-sur-la-Lys Perceived Temperature (C)

Key
High
Average
Low

 

Average Aire-sur-la-Lys 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 46.6 42.6 38.7
Feb 46.4 41.9 37.9
Mar 50.4 45.3 41
Apr 57.3 50.9 46.1
May 61.6 55.7 51
Jun 65.8 60 55.4
Jul 70.6 64.1 59.2
Aug 71.3 64.7 59.6
Sep 66.3 60.9 56.2
Oct 60.1 55.2 50.7
Nov 52.6 48.5 44.8
Dec 47.5 43.5 39.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 8.1 5.9 3.7
Feb 8 5.5 3.3
Mar 10.2 7.4 5
Apr 14.1 10.5 7.8
May 16.4 13.2 10.6
Jun 18.8 15.6 13
Jul 21.4 17.8 15.1
Aug 21.8 18.2 15.3
Sep 19.1 16.1 13.4
Oct 15.6 12.9 10.4
Nov 11.4 9.2 7.1
Dec 8.6 6.4 4.1

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Aire-sur-la-Lys are April, March, 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 early August. For example, on the week of July 30th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid July with an average of 2 days of significant precipitation the week of July 9th.

When can you find snow in Aire-sur-la-Lys? Weather stations report moderate or seasonal snow likely to be deepest around January, especially close to mid January. The best time to ski (if at all) in Aire-sur-la-Lys 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 Aire-sur-la-Lys.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Aire-sur-la-Lys (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 21% 2.1 2.1
Feb 18% 0.4 1.7
Mar 15% 0 1.4
Apr 12% 0 1.1
May 18% 0 1.5
Jun 19% 0 2
Jul 22% 0 2.8
Aug 18% 0 2.2
Sep 19% 0 2.1
Oct 21% 0 2.6
Nov 24% 0 2.5
Dec 22% 2 2.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 21 5.3 5.3
Feb 18 1 4.3
Mar 15 0 3.6
Apr 12 0 2.8
May 18 0 3.8
Jun 19 0 5.1
Jul 22 0 7.1
Aug 18 0 5.6
Sep 19 0 5.3
Oct 21 0 6.6
Nov 24 0 6.4
Dec 22 5.1 6.1

 

Humidity and Wind

Aire-sur-la-Lys has some very humid months, and above average humidity throughout the year. The least humid month is August (68.5% relative humidity), and the most humid month is January (77.4%).

Wind in Aire-sur-la-Lys is usually moderate. The windiest month is December, followed by January and November. December’s average wind speed of around 12.2 knots (14 MPH or 22.6 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early December where average top sustained speeds reach 19.3 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Aire-sur-la-Lys.

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 12.2 Significant breeze 17.5 Strong breeze
Feb 11.1 Significant breeze 16.4 Significant breeze
Mar 10.8 Gentle breeze 16.4 Strong breeze
Apr 10 Gentle breeze 15 Significant breeze
May 10.5 Gentle breeze 15.9 Strong breeze
Jun 9.9 Gentle breeze 15.1 Significant breeze
Jul 9.7 Gentle breeze 14.9 Strong breeze
Aug 9.7 Gentle breeze 14.8 Significant breeze
Sep 10.3 Gentle breeze 15.2 Strong breeze
Oct 10.2 Gentle breeze 15.1 Significant breeze
Nov 11.5 Significant breeze 16.8 Strong breeze
Dec 12.2 Significant breeze 18 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 77.4%
Feb 75.6%
Mar 72.6%
Apr 69.5%
May 69.3%
Jun 69.9%
Jul 69.5%
Aug 68.5%
Sep 69.7%
Oct 73.6%
Nov 76.7%
Dec 75.6%

 

Is it Safe to Travel to Aire-sur-la-Lys?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 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 Sep 24, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Aire-sur-la-Lys, France is June, followed by October and September. 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 Aire-sur-la-Lys 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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 41.8 in March means 41.8% of the tourists vs. June.

 

 

Overall Aire-sur-la-Lys Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 63°F (17.2°C) and 48.3°F (9.1°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 6 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 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 Aire-sur-la-Lys, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 68.4°F (20.2°C) and 48.6°F (9.2°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 7 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 too cold this time of year in Aire-sur-la-Lys to be enjoyable for warm weather travelers. The average high during this season is between 48.9°F (9.4°C) and 43.9°F (6.6°C). On average, it rains or snows a fair amount: 5 to 7 times per month. These times of year are fairly slow with tourists.

 

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