The best times to visit Heizel 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 Heizel Travel Info

Weather in Heizel


Average temperatures in Heizel 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 33rd 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 Heizel, 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 75.3°F (24.1°C) with temperatures rarely dropping below 56.7°F (13.7°C) at night.

Heizel Temperatures (Fahrenheit)


Heizel Temperatures (Celsius)


“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.

Heizel Perceived Temperature (F)


Heizel Perceived Temperature (C)



Average Heizel 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 43 38.8 34
Feb 44.3 38.9 33.7
Mar 51.4 44.1 36.6
Apr 60.6 51.1 41.2
May 64.7 56 46.9
Jun 70 61 51.8
Jul 73.6 64.7 55.8
Aug 72.9 64 55.3
Sep 66.5 58.2 50.2
Oct 59 52.1 45.6
Nov 50.7 45.8 40.7
Dec 44.1 39.9 35

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 6.1 3.8 1.1
Feb 6.8 3.8 0.9
Mar 10.8 6.7 2.6
Apr 15.9 10.6 5.1
May 18.2 13.3 8.3
Jun 21.1 16.1 11
Jul 23.1 18.2 13.2
Aug 22.7 17.8 12.9
Sep 19.2 14.6 10.1
Oct 15 11.2 7.6
Nov 10.4 7.7 4.8
Dec 6.7 4.4 1.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Heizel are April, September, 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 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 early December with an average of 2 days of significant precipitation the week of December 3rd.

When can you find snow in Heizel? Weather stations report large amounts of snow likely to be deepest around June, especially close to early to mid June. The best time to ski (if at all) in Heizel is often around around June 11th 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 Heizel.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Heizel (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 25% 1.8 2.3
Feb 19% 0.9 1.5
Mar 19% 2.1 1.8
Apr 11% 0 0.9
May 19% 0 1.8
Jun 20% 8.7 2.2
Jul 24% 0.4 2.4
Aug 22% 0 2.6
Sep 17% 0 1.4
Oct 19% 0 2.2
Nov 23% 2.1 2.1
Dec 30% 2.5 2.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 25 4.6 5.8
Feb 19 2.3 3.8
Mar 19 5.3 4.6
Apr 11 0 2.3
May 19 0 4.6
Jun 20 22.1 5.6
Jul 24 1 6.1
Aug 22 0 6.6
Sep 17 0 3.6
Oct 19 0 5.6
Nov 23 5.3 5.3
Dec 30 6.4 7.4


Humidity and Wind

Heizel has some very humid months, with other comfortably humid months. The least humid month is April (59% relative humidity), and the most humid month is November (79.9%).

Wind in Heizel is usually moderate. The windiest month is January, followed by December and February. January’s average wind speed of around 9.1 knots (10.5 MPH or 16.9 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 early to mid January 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 Heizel.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

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 9.1 Gentle breeze 14.6 Significant breeze
Feb 8.1 Gentle breeze 13.4 Significant breeze
Mar 7.7 Gentle breeze 13 Significant breeze
Apr 6.2 Light breeze 11.6 Significant breeze
May 6.7 Light breeze 12.2 Significant breeze
Jun 6.3 Light breeze 11.6 Significant breeze
Jul 6.5 Light breeze 11.9 Significant breeze
Aug 6.3 Light breeze 11.5 Significant breeze
Sep 6 Light breeze 10.9 Significant breeze
Oct 6.5 Light breeze 11.2 Significant breeze
Nov 7.9 Gentle breeze 13 Significant breeze
Dec 9 Gentle breeze 14.5 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 78%
Feb 74.4%
Mar 65.9%
Apr 59%
May 62%
Jun 63.3%
Jul 64%
Aug 65.4%
Sep 71.4%
Oct 76%
Nov 79.9%
Dec 79.4%


Is it Safe to Travel to Heizel?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 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 Aug 22, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Heizel, Belgium is May, followed by January 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 Heizel 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

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 53.9 in December means 53.9% of the tourists vs. May.



Overall Heizel Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 67.8°F (19.9°C) and 47.9°F (8.8°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 6 days of significant precipitation per month. Spring is the 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 fairly slow season for tourism in Heizel, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 68.9°F (20.5°C) and 45°F (7.2°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 Heizel to be enjoyable for warm weather travelers. The average high during this season is between 47.9°F (8.8°C) and 41°F (5°C). On average, it rains or snows a fair amount: 5 to 9 times per month. These times of year are the second busiest with tourists.


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