The best times to visit Saarlouis for ideal weather are

May 21st to September 16th

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

 

 


Other Saarlouis Travel Info

Weather in Saarlouis

Temperature

Average temperatures in Saarlouis 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 Saarlouis, 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 78.8°F (26°C) with temperatures rarely dropping below 58.1°F (14.5°C) at night.

Saarlouis Temperatures (Fahrenheit)

Key
High
Average
Low

Saarlouis 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.

Saarlouis Perceived Temperature (F)

Key
High
Average
Low

Saarlouis Perceived Temperature (C)

Key
High
Average
Low

 

Average Saarlouis 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 41.5 36.3 30.9
Feb 42.9 36.5 30.4
Mar 52.4 43.1 34.6
Apr 62.1 51.5 41.1
May 67.4 57 46.8
Jun 73.5 63 52.7
Jul 77.6 66.5 55.9
Aug 76.4 65.6 55.4
Sep 68.2 58.2 48.8
Oct 58.9 50.7 43.1
Nov 49 43.6 38.2
Dec 42.4 37.5 32.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 5.3 2.4 -0.6
Feb 6.1 2.5 -0.9
Mar 11.3 6.2 1.4
Apr 16.7 10.8 5.1
May 19.7 13.9 8.2
Jun 23.1 17.2 11.5
Jul 25.3 19.2 13.3
Aug 24.7 18.7 13
Sep 20.1 14.6 9.3
Oct 14.9 10.4 6.2
Nov 9.4 6.4 3.4
Dec 5.8 3.1 0.2

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Saarlouis are April, February, 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 late January. For example, on the week of January 22nd there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late October to early November with an average of 2 days of significant precipitation the week of October 29th.

When can you find snow in Saarlouis? Weather stations report a good amount of seasonal snow likely to be deepest around September, especially close to early November. The best time to ski (if at all) in Saarlouis is often around around November 5th 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 Saarlouis.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Saarlouis (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 18% 0.4 1.7
Feb 16% 0.5 1.6
Mar 18% 0.4 1.6
Apr 13% 0.4 1.2
May 22% 0 2.4
Jun 21% 0.4 2.5
Jul 21% 0.4 2.4
Aug 23% 0.4 2.7
Sep 21% 4.7 2.7
Oct 18% 0 1.9
Nov 24% 3.1 2.3
Dec 23% 1.4 2.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 18 1 4.3
Feb 16 1.3 4.1
Mar 18 1 4.1
Apr 13 1 3
May 22 0 6.1
Jun 21 1 6.4
Jul 21 1 6.1
Aug 23 1 6.9
Sep 21 11.9 6.9
Oct 18 0 4.8
Nov 24 7.9 5.8
Dec 23 3.6 6.1

 

Humidity and Wind

Saarlouis has some extremely humid months, with other comfortably humid months. The least humid month is July (57.8% relative humidity), and the most humid month is December (85%).

Wind in Saarlouis is usually moderate. The windiest month is December, followed by January and February. December’s average wind speed of around 9.4 knots (10.8 MPH or 17.4 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 16.1 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 9.2 Gentle breeze 14.8 Significant breeze
Feb 8.6 Gentle breeze 14.2 Significant breeze
Mar 8.6 Gentle breeze 14.5 Significant breeze
Apr 7.1 Gentle breeze 12.6 Significant breeze
May 7 Gentle breeze 12.9 Significant breeze
Jun 6.7 Light breeze 12.4 Significant breeze
Jul 7.3 Gentle breeze 13.4 Significant breeze
Aug 7 Gentle breeze 12.9 Significant breeze
Sep 7.1 Gentle breeze 12.5 Significant breeze
Oct 7.3 Gentle breeze 12.4 Significant breeze
Nov 8.4 Gentle breeze 13.7 Significant breeze
Dec 9.4 Gentle breeze 15.1 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 83.4%
Feb 77.6%
Mar 64.5%
Apr 58.3%
May 62.8%
Jun 61.2%
Jul 57.8%
Aug 61.4%
Sep 68.2%
Oct 77.2%
Nov 84.7%
Dec 85%

 

Is it Safe to Travel to Saarlouis?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for Germany; 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 30, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Saarlouis, Germany is August, followed by June and April. 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 Saarlouis 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

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 44.8 in December means 44.8% of the tourists vs. August.

 

 

Overall Saarlouis Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 70.9°F (21.6°C) and 48.5°F (9.2°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 7 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 very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 6 to 7 days of precipitation per month. June – August is the busiest season for tourism in Saarlouis, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 70.8°F (21.6°C) and 42.8°F (6°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 fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is too cold this time of year in Saarlouis to be enjoyable for warm weather travelers. The average high during this season is between 48.5°F (9.2°C) and 38.8°F (3.8°C). On average, it rains or snows a fair amount: 5 to 7 times per month. These times of year are the slowest with tourists.

 

Best Times to Travel› Germany › Saarlouis, Germany