The best times to visit The Islet for ideal weather are

May 21st 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 The Islet Travel Info

Weather in The Islet

Temperature

Average temperatures in The Islet 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 31st 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 The Islet, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 75.6°F (24.2°C) with temperatures rarely dropping below 58.3°F (14.6°C) at night.

The Islet Temperatures (Fahrenheit)

Key
High
Average
Low

The Islet 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.

The Islet Perceived Temperature (F)

Key
High
Average
Low

The Islet Perceived Temperature (C)

Key
High
Average
Low

 

Average The Islet 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 39.6 34.4
Feb 45 39.5 33.6
Mar 52.1 44.8 37
Apr 61.4 52.1 42.1
May 65.5 57.2 48.3
Jun 70.5 62.1 53.4
Jul 74 65.8 57.4
Aug 73.3 64.8 56.1
Sep 67.1 59.2 51.1
Oct 59.7 52.7 45.3
Nov 51.5 46.4 40.5
Dec 44.9 40.6 35.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 6.7 4.2 1.3
Feb 7.2 4.2 0.9
Mar 11.2 7.1 2.8
Apr 16.3 11.2 5.6
May 18.6 14 9.1
Jun 21.4 16.7 11.9
Jul 23.3 18.8 14.1
Aug 22.9 18.2 13.4
Sep 19.5 15.1 10.6
Oct 15.4 11.5 7.4
Nov 10.8 8 4.7
Dec 7.2 4.8 1.9

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in The Islet are April, May, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early April. For example, on the week of April 2nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid January with an average of 3 days of significant precipitation the week of January 15th.

When can you find snow in The Islet? 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 The Islet 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 The Islet.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in The Islet (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 29% 1.8 2.7
Feb 20% 0.9 1.7
Mar 20% 7 1.9
Apr 12% 0 1
May 20% 0 2
Jun 21% 0 3
Jul 26% 0 3.4
Aug 23% 0 2.9
Sep 21% 0 2
Oct 23% 0 2.4
Nov 24% 0.5 2.5
Dec 33% 2.3 3.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 29 4.6 6.9
Feb 20 2.3 4.3
Mar 20 17.8 4.8
Apr 12 0 2.5
May 20 0 5.1
Jun 21 0 7.6
Jul 26 0 8.6
Aug 23 0 7.4
Sep 21 0 5.1
Oct 23 0 6.1
Nov 24 1.3 6.4
Dec 33 5.8 9.1

 

Humidity and Wind

The Islet has some very humid months, with other comfortably humid months. The least humid month is April (58.1% relative humidity), and the most humid month is November (78.2%).

Wind in The Islet is usually moderate. The windiest month is January, followed by December and February. January’s average wind speed of around 8.5 knots (9.7 MPH or 15.7 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 late February and early March where average top sustained speeds reach 14.4 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 8.5 Gentle breeze 13.5 Significant breeze
Feb 7.6 Gentle breeze 12.6 Significant breeze
Mar 7.5 Gentle breeze 12.8 Significant breeze
Apr 6.4 Light breeze 12.1 Significant breeze
May 7.1 Gentle breeze 12.6 Significant breeze
Jun 6.7 Light breeze 12 Significant breeze
Jul 6.7 Light breeze 12.5 Significant breeze
Aug 6.4 Light breeze 12 Significant breeze
Sep 6.2 Light breeze 11.3 Significant breeze
Oct 6.3 Light breeze 11.1 Significant breeze
Nov 7.4 Gentle breeze 12.3 Significant breeze
Dec 8.2 Gentle breeze 13 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 76.5%
Feb 73.4%
Mar 64.7%
Apr 58.1%
May 59.9%
Jun 61.8%
Jul 62.5%
Aug 64.2%
Sep 69.1%
Oct 74.2%
Nov 78.2%
Dec 77.5%

 

Is it Safe to Travel to The Islet?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for Belgium; 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 Oct 26, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in The Islet, Belgium is January, followed by July 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 The Islet 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

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 very reliable. Displayed data is calculated relative to the peak, so a score of 64.9 in November means 64.9% of the tourists vs. January.

 

 

Overall The Islet Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 68.2°F (20.1°C) and 48.6°F (9.2°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 6 to 8 days of precipitation per month. June – August is the second busiest season for tourism in The Islet, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 69.6°F (20.9°C) and 46°F (7.8°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 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 The Islet to be enjoyable for warm weather travelers. The average high during this season is between 48.6°F (9.2°C) and 42°F (5.6°C). On average, it rains or snows a fair amount: 6 to 10 times per month. These times of year are the busiest with tourists.

 

Best Times to Travel› Belgium › The Islet, Belgium