Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
Belgium

Arlon weather & best time to visit

City break

Arlon at a glance

Best time
May – Sep
Warmest month
Jul · 23°
Sunshine a year
1,540 h
Rain a year
938 mm
Climate
Maritime
Time zone
UTC+1 / UTC+2
Elevation
421 m

Climate in Arlon

Arlon has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 23 °C, while January is the coolest at 4 °C. With around 1,540 hours of sunshine a year, Arlon is rather dull; July is the sunniest month with 6.8 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Arlon

The best time to visit Arlon is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is frequent from March to April and from October to January; the wettest month is December with 93 mm.

Arlon through the seasons

How the weather changes over the seasons, with averages for each.

Arlon in spring

Mar – May

47

Fair

  • 10–18 °C by day
  • 5.3 h of sun a day
  • 39 rainy days in all

Arlon in summer

Jun – Aug

72

Good

  • 21–23 °C by day
  • 6.6 h of sun a day
  • 39 rainy days in all

Arlon in autumn

Sep – Nov

41

Fair

  • 8–19 °C by day
  • 3.2 h of sun a day
  • 36 rainy days in all

Arlon in winter

Dec – Feb

11

Poor

  • 4–5 °C by day
  • 1.7 h of sun a day
  • 38 rainy days in all

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Sep

15–28 °C and not too much rain

Rainy months

Mar – Apr, Oct – Jan

Rainy season or more than 12 rainy days

Snow

Dec – Feb

Snow on 2 or more days

Find your perfect month

Tell us what you like and we rate every month in Arlon for you.

Sunshine
Little rain

Your best months: June – August

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

40

Holiday weather in October

Fair

Best time to visit: May – September

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 7°
  2. Midday, 13:00: about 13°
  3. Afternoon, 16:00: about 13°
  4. Evening, 20:00: about 11°
  5. Night, 23:00: about 9°

07:5618:48

Cold evenings: bring a warm jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 07:36–08:40 · evening 18:04–19:08
Blue hour
Morning 07:24–07:36 · evening 19:08–19:21

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 Arlon compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 16° at the start of the month to 11° at the end. The days get 1.7 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high16°11°
Night-time low8°5°
Daylight11.7 h10.0 h

What is the weather like in Arlon in October?

In October, Arlon is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 12 rainy days and 82 mm in total. All in all, October is a so-so month for a holiday in Arlon.

More details for October

Daylight
10 h 52 min07:56 – 18:48
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
75 %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 %54 %
  • Sunshineweight 20 %2 %
  • 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 Arlon

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

June has the better holiday weather in Arlon: score 73 against 40. In June, days are 8 °C warmer than in October. June has one more rainy day. The sun shines 3 hours longer a day in June.

October vs June, Arlon
MonthOctoberJune
Holiday weather score4073better
Daytime high13°21°
Night-time low7°11°
Sunshine3.1 h6.5 hbetter
Rainy days12better13
Rainfall82 mm81 mm

Based on the climate averages 1996–2025.

Arlon month by month

The typical weather for every month at a glance.

12January4° · 1.5 h

In January, Arlon is cold: daytime highs average 4 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 1.5 hours a day. Precipitation falls on about 13 days, totalling 83 mm; on about 3 of them it snows. All in all, January is not an ideal month for a holiday in Arlon.

Arlon in January
14February5° · 2.5 h

In February, Arlon is cold: daytime highs average 5 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 2.5 hours a day. Rain is frequent, with about 12 rainy days and 72 mm in total. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Arlon.

Arlon in February
22March10° · 4.0 h

In March, Arlon is cold: daytime highs average 10 °C, and nights cool down to about 2 °C. Expect around 4.0 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 72 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Arlon.

Arlon in March
51April14° · 5.8 h

In April, Arlon is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. Expect around 5.8 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 65 mm in total. All in all, April is a so-so month for a holiday in Arlon.

Arlon in April
68May18° · 6.1 h

In May, Arlon is mild: daytime highs average 18 °C, and nights cool down to about 8 °C. Expect around 6.1 hours of sunshine a day. It rains often – on about 14 days, adding up to 80 mm. All in all, May is a good month for a holiday in Arlon.

Arlon in May
73June21° · 6.5 h

In June, Arlon is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. The sun shines for around 6.5 hours a day. Rain is frequent, with about 13 rainy days and 81 mm in total. All in all, June is a good month for a holiday in Arlon.

Arlon in June
72July23° · 6.8 h

In July, Arlon is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. The sun shines for around 6.8 hours a day. Rain is frequent, with about 14 rainy days and 82 mm in total. All in all, July is a good month for a holiday in Arlon.

Arlon in July
72August23° · 6.4 h

In August, Arlon is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 79 mm in total. All in all, August is a good month for a holiday in Arlon.

Arlon in August
73September19° · 5.0 h

In September, Arlon is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. Expect around 5.0 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 70 mm in total. All in all, September is a good month for a holiday in Arlon.

Arlon in September
40October13° · 3.1 h

In October, Arlon is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 12 rainy days and 82 mm in total. All in all, October is a so-so month for a holiday in Arlon.

Arlon in October
10November8° · 1.5 h

In November, Arlon is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 1.5 hours a day. Rain is frequent, with about 14 rainy days and 80 mm in total. All in all, November is not an ideal month for a holiday in Arlon.

Arlon in November
8December5° · 1.2 h

In December, Arlon is cold: daytime highs average 5 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 1.2 hours a day. It rains often – on about 14 days, adding up to 93 mm. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Arlon.

Arlon in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Arlon

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Frost below 0°
  • Cold 0–8°
  • Cool 8–15°

ColdOctober: nights around 7°. The room should be heated.

The coolest nights are in January (−1°), the warmest in July (13°). Nights fall below 8 °C on average from October to April, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 13°Night 7°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan124°−1°1.5 h1383
FebruaryFeb145°−1°2.5 h1272
MarchMar2210°2°4.0 h1372
AprilApr5114°5°5.8 h1265
MayMay6818°8°6.1 h1480
JuneJun7321°11°6.5 h1381
JulyJul7223°13°6.8 h1482
AugustAug7223°13°6.4 h1379
SeptemberSep7319°10°5.0 h1070
OctoberOct4013°7°3.1 h1282
NovemberNov108°3°1.5 h1480
DecemberDec85°0°1.2 h1493

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

49.68° N, 5.82° E · 421 m · Europe/Brussels

Sunshine

Sunshine hours in Arlon

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,540 hours
Sunniest month
Jul · 6.8 h a day
Least sunshine
Dec · 1.2 h a day
OctoberSunshine 3.1 hDaylight 10.9 hShare of daylight 28 %
SunshineDaylight

In October, the sun shines for about 3.1 of 10.9 hours of daylight in Arlon, 28 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Arlon: 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.

Per year
938 mm on 153 days
Wettest month
Dec · 93 mm
Driest month
Apr · 65 mm
OctoberRainy days 12Rainfall 82 mm

In October, Arlon has about 12 rainy days with 82 mm of rain in total.

Sun protection

UV index in Arlon

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 105 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 Arlon

How breezy and how cloudy Arlon 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.

Year average
19 km/h · gentle breeze
Windiest month
Feb · 21 km/h
Calmest month
Aug · 17 km/h
OctoberWind 20 km/hBeaufort 4

In October, the wind in Arlon typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
69 % · mostly cloudy
Clearest month
Jul · 61 %
Cloudiest month
Nov · 82 %
OctoberCloud cover 75 %Sunshine 3.1 h

In October, cloud covers on average 75 % of the sky over Arlon: mostly cloudy, with about 3.1 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 Arlon

How often the day gets hot in Arlon (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
4 days
Hottest month
Jul · 23 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Daytime high 13 °C

In October, Arlon has about 0 hot days, with an average daytime high of 13 °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 Arlon

Snow is possible in Arlon, 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 days a year
12 days
Fresh snow a year
45 cm
Snow possible
Dec – Feb

Snow calendar

  • hardly any
  • possible
  • likely
  • very likely
OctoberDays with fresh snow 0Fresh snow 0 cmChance of snow 0 / 100

In October, it hardly ever snows in Arlon.

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 Arlon

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Arlon 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.

Arlon has its best school-holiday weather during the summer holidays (score 72) and its weakest during the Christmas holidays (score 10).

  • Easter holidays

    Mar – Apr

    42

    Fair

    • 13 °C by day
    • 5.3 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    69

    Good

    • 19 °C by day
    • 6.2 h of sun a day
    • 14 rainy days a month
  • Summer holidays

    Jul – Aug

    72

    GoodBest holidays

    • 23 °C by day
    • 6.5 h of sun a day
    • 13 rainy days a month
  • October half-term

    Oct

    40

    Fair

    • 13 °C by day
    • 3.1 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    10

    Poor

    • 4 °C by day
    • 1.4 h of sun a day
    • 13 rainy days a month

    Keep in mind: Frequent rain, Snow

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
Short trip – train or car is often quicker
Distance
490 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.

Compare & alternatives

Compare

Arlon compared

Put Arlon side by side with another destination.

Nearby:
Compare with home:

Arlon vs Luxembourg

In October Luxembourg has the better holiday weather (score 47 vs 40). During the day Luxembourg is 2 °C warmer than Arlon.

Arlon vs Luxembourg, in October
in OctoberArlonLuxembourg
Holiday weather score4047
Daytime high13°15°
Sunshine3 h3 h
Rainy days1212
Best timeMay – SepApr – Sep

Through the year

OctoberArlon 13°Luxembourg 15°
ArlonLuxembourg
Go to Luxembourg
Ranking

Belgium in October: the best places

In October, Arlon ranks 28 among the 31 nearest destinations in this country.

  1. Huy16°57
  2. 2Dinant15°54
  3. 3Mechelen16°54
  4. 4Aalst16°54
  5. 5Liège16°53
  6. 6Kelmis15°53
  7. 7Sint-Truiden16°53
  8. 8Tienen16°53
  9. 28ArlonThis page13°40
All destinations: Belgium

Near Arlon

Other destinations close by.

Places with a climate like Arlon

Destinations whose weather through the year is closest to Arlon's – good alternatives.

  1. 92 % similar35SiegenGermany13°Best time: May – Sep
  2. 90 % similar49Langnau im EmmentalSwitzerland14°Best time: May – Sep
  3. 90 % similar45UzwilSwitzerland14°Best time: May – Sep
  4. 90 % similar45PfäffikonSwitzerland14°Best time: May – Sep

Frequently asked questions about Arlon

When is the best time to visit Arlon?

The best time to visit Arlon is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Arlon?

July is the warmest month, with average highs of 23 °C and nights around 13 °C. January is the coolest month at 4 °C.

When does it rain most in Arlon?

Rain is frequent from March to April and from October to January; the wettest month is December with 93 mm. The driest month is April with 65 mm.

How many hours of sunshine does Arlon get?

Arlon gets around 1,540 hours of sunshine a year. The sunniest month is July with 6.8 hours a day; in December there are 1.2 hours a day.

What time zone is Arlon in?

Arlon is on UTC+1 in January and UTC+2 in July.

Which school holidays are best for Arlon?

Arlon has its best school-holiday weather during the summer holidays (score 72) and its weakest during the Christmas holidays (score 10). Holiday ratings (0–100): Easter holidays 42, May half-term 69, summer holidays 72, October half-term 40, Christmas holidays 10.