AI-generatedSaarlouis at a glance
- Best time
- Apr – Sep
- Warmest month
- Jul · 26°
- Sunshine a year
- 1,720 h
- Rain a year
- 903 mm
- Climate
- Temperate
- Time zone
- UTC+1 / UTC+2
- Elevation
- 183 m
Climate in Saarlouis
Saarlouis has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 26 °C, while January is the coolest at 5 °C. With around 1,720 hours of sunshine a year, Saarlouis is moderately sunny; July is the sunniest month with 7.8 hours a day.
Holiday weather through the year
Best time to visit Saarlouis
The best time to visit Saarlouis is from April to September. For sightseeing, day trips and hiking, conditions are most comfortable in April and from June to September. Rain is frequent from October to January; the wettest month is December with 101 mm.
Saarlouis through the seasons
How the weather changes over the seasons, with averages for each.
Saarlouis in spring
Mar – May
Fair
- 12–20 °C by day
- 5.9 h of sun a day
- 36 rainy days in all
Saarlouis in summer
Jun – Aug
Good
- 23–26 °C by day
- 7.4 h of sun a day
- 34 rainy days in all
Saarlouis in autumn
Sep – Nov
Fair
- 9–21 °C by day
- 3.5 h of sun a day
- 36 rainy days in all
Saarlouis in winter
Dec – Feb
Poor
- 5–7 °C by day
- 2.0 h of sun a day
- 40 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr, Jun – Sep
15–28 °C and not too much rain
Rainy months
Oct – Jan
Rainy season or more than 12 rainy days
Snow
Dec – Jan
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Saarlouis for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: April – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 14°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 12°
- Night, 23:00: about 11°
07:5218:45
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:32–08:36 · evening 18:02–19:05
- Blue hour
- Morning 07:20–07:32 · evening 19:05–19:17
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Saarlouis compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 18° at the start of the month to 12° at the end. The days get 1.7 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 18° | 12° |
| Night-time low | 10° | 6° |
| Daylight | 11.7 h | 10.0 h |
What is the weather like in Saarlouis in October?
In October, Saarlouis is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.3 hours a day. Rain is frequent, with about 12 rainy days and 81 mm in total. All in all, October is a so-so month for a holiday in Saarlouis.
More details for October
- Daylight
- 10 h 53 min07:52 – 18:45
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 50 %71 %
- Sunshineweight 20 %5 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Saarlouis
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Saarlouis: score 79 against 49. In June, days are 8 °C warmer than in October. June has one rainy day fewer. The sun shines 4 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 49 | 79better |
| Daytime high | 15° | 23° |
| Night-time low | 8° | 13° |
| Sunshine | 3.3 h | 7.3 hbetter |
| Rainy days | 12 | 11better |
| Rainfall | 81 mm | 66 mmbetter |
Based on the climate averages 1996–2025.
Saarlouis month by month
The typical weather for every month at a glance.
11January5° · 1.7 h
In January, Saarlouis is cold: daytime highs average 5 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 1.7 hours a day. Rain is frequent, with about 13 rainy days and 87 mm in total. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Saarlouis.
Saarlouis in January14February7° · 2.9 h
In February, Saarlouis is cold: daytime highs average 7 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 2.9 hours a day. Rain is frequent, with about 11 rainy days and 74 mm in total. Snow falls on about 2 days. All in all, February is not an ideal month for a holiday in Saarlouis.
Saarlouis in February36March12° · 4.5 h
In March, Saarlouis is cool: daytime highs average 12 °C, and nights cool down to about 4 °C. Expect around 4.5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 73 mm in total. All in all, March is not an ideal month for a holiday in Saarlouis.
Saarlouis in March67April16° · 6.3 h
In April, Saarlouis is mild: daytime highs average 16 °C, and nights cool down to about 7 °C. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 59 mm in total. All in all, April is a good month for a holiday in Saarlouis.
Saarlouis in April73May20° · 6.8 h
In May, Saarlouis is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. The sun shines for around 6.8 hours a day. Rain is frequent, with about 13 rainy days and 76 mm in total. All in all, May is a good month for a holiday in Saarlouis.
Saarlouis in May79June23° · 7.3 h
In June, Saarlouis is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. The sun shines for around 7.3 hours a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, June is a good month for a holiday in Saarlouis.
Saarlouis in June79July26° · 7.8 h
In July, Saarlouis is warm: daytime highs average 26 °C, and nights cool down to about 16 °C. The sun shines for around 7.8 hours a day. Rain is frequent, with about 12 rainy days and 68 mm in total. On about 5 days the thermometer climbs to 30 °C or more. All in all, July is a good month for a holiday in Saarlouis.
Saarlouis in July77August25° · 7.0 h
In August, Saarlouis is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sun shines for around 7.0 hours a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, August is a good month for a holiday in Saarlouis.
Saarlouis in August76September21° · 5.6 h
In September, Saarlouis is mild: daytime highs average 21 °C, and nights cool down to about 12 °C. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 67 mm in total. All in all, September is a good month for a holiday in Saarlouis.
Saarlouis in September49October15° · 3.3 h
In October, Saarlouis is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.3 hours a day. Rain is frequent, with about 12 rainy days and 81 mm in total. All in all, October is a so-so month for a holiday in Saarlouis.
Saarlouis in October16November9° · 1.7 h
In November, Saarlouis is cold: daytime highs average 9 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 1.7 hours a day. Rain is frequent, with about 14 rainy days and 85 mm in total. All in all, November is not an ideal month for a holiday in Saarlouis.
Saarlouis in November6December6° · 1.5 h
In December, Saarlouis is cold: daytime highs average 6 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1.5 hours a day. It rains often – on about 15 days, adding up to 101 mm. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Saarlouis.
Saarlouis in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Saarlouis
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in January (1°), the warmest in July (16°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 11 | 5° | 1° | 1.7 h | 13 | 87 |
| FebruaryFeb | 14 | 7° | 1° | 2.9 h | 11 | 74 |
| MarchMar | 36 | 12° | 4° | 4.5 h | 12 | 73 |
| AprilApr | 67 | 16° | 7° | 6.3 h | 11 | 59 |
| MayMay | 73 | 20° | 10° | 6.8 h | 13 | 76 |
| JuneJun | 79 | 23° | 13° | 7.3 h | 11 | 66 |
| JulyJul | 79 | 26° | 16° | 7.8 h | 12 | 68 |
| AugustAug | 77 | 25° | 15° | 7.0 h | 11 | 66 |
| SeptemberSep | 76 | 21° | 12° | 5.6 h | 10 | 67 |
| OctoberOct | 49 | 15° | 8° | 3.3 h | 12 | 81 |
| NovemberNov | 16 | 9° | 5° | 1.7 h | 14 | 85 |
| DecemberDec | 6 | 6° | 2° | 1.5 h | 15 | 101 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
49.31° N, 6.75° E · 183 m · Europe/Berlin
Sunshine
Sunshine hours in Saarlouis
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.3 of 10.9 hours of daylight in Saarlouis, 30 % of the daylight hours.
Sunshine hours: measured at the weather station 7 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Saarlouis: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Saarlouis has about 12 rainy days with 81 mm of rain in total.
UV index
UV index in Saarlouis
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 60 min
- Fair skin
- about 75 min
- Light brown skin
- about 100 min
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Saarlouis
How breezy and how cloudy Saarlouis is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Saarlouis typically peaks at 17 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 71 % of the sky over Saarlouis: mostly cloudy, with about 3.3 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Saarlouis
How often the day gets hot in Saarlouis (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Saarlouis has about 0 hot days, with an average daytime high of 15 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow
Snow in Saarlouis
Snow is possible in Saarlouis, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Saarlouis.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Saarlouis
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Saarlouis in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Saarlouis has its best school-holiday weather during the summer holidays (score 78) and its weakest during the Christmas holidays (score 9).
- 58
Easter holidays
Mar – Apr
Fair
- 15 °C by day
- 5.8 h of sun a day
- 11 rainy days a month
- 74
May half-term
May – Jun
Good
- 21 °C by day
- 6.9 h of sun a day
- 13 rainy days a month
- 78
Summer holidays
Jul – Aug
GoodBest holidays
- 25 °C by day
- 7.3 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 49
October half-term
Oct
Fair
- 15 °C by day
- 3.3 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 9
Christmas holidays
Dec – Jan
Poor
- 6 °C by day
- 1.6 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 10 min
- Distance
- 560 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Germany
- Currency
- Euro (EUR)
- Language
- German
- Sockets
- Type C, F · 230 V
- Traffic
- Drives on the right
- Dialling code
- +49
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Saarlouis compared
Put Saarlouis side by side with another destination.
Saarlouis vs Saarbrücken
In October the holiday weather in Saarlouis and Saarbrücken is about equally good (score 49 vs 50). During the day it is about as warm in Saarbrücken as in Saarlouis.
| in October | Saarlouis | Saarbrücken |
|---|---|---|
| Holiday weather score | 49 | 50 |
| Daytime high | 15° | 15° |
| Sunshine | 3 h | 3 h |
| Rainy days | 12 | 12 |
| Best time | Apr – Sep | May – Sep |
Through the year
Best places in the country
Germany in October: the best places
In October, Saarlouis ranks 26 among the 31 nearest destinations in this country.
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Places nearby
Near Saarlouis
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Destinations whose weather through the year is closest to Saarlouis's – good alternatives.
Frequently asked questions about Saarlouis
When is the best time to visit Saarlouis?
The best time to visit Saarlouis is from April to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Saarlouis?
July is the warmest month, with average highs of 26 °C and nights around 16 °C. January is the coolest month at 5 °C.
When does it rain most in Saarlouis?
Rain is frequent from October to January; the wettest month is December with 101 mm. The driest month is April with 59 mm.
How many hours of sunshine does Saarlouis get?
Saarlouis gets around 1,720 hours of sunshine a year. The sunniest month is July with 7.8 hours a day; in December there are 1.5 hours a day.
What time zone is Saarlouis in?
Saarlouis is on UTC+1 in January and UTC+2 in July.
How long is the flight from London to Saarlouis?
A nonstop flight from London to Saarlouis takes about 1 h 10 min, for a straight-line distance of about 560 km.
Which school holidays are best for Saarlouis?
Saarlouis has its best school-holiday weather during the summer holidays (score 78) and its weakest during the Christmas holidays (score 9). Holiday ratings (0–100): Easter holidays 58, May half-term 74, summer holidays 78, October half-term 49, Christmas holidays 9.