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

Kelmis weather & best time to visit

Nature escape

Kelmis at a glance

Best time
Apr – Sep
Warmest month
Jul · 24°
Sunshine a year
1,640 h
Rain a year
883 mm
Climate
Maritime
Time zone
UTC+1 / UTC+2
Elevation
220 m

Climate in Kelmis

Kelmis has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 24 °C, while December is the coolest at 6 °C. With around 1,640 hours of sunshine a year, Kelmis is moderately sunny; June is the sunniest month with 6.9 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Kelmis

The best time to visit Kelmis is from April to September. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is frequent from October to March; the wettest month is July with 88 mm.

Kelmis through the seasons

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

Kelmis in spring

Mar – May

53

Fair

  • 11–19 °C by day
  • 5.3 h of sun a day
  • 38 rainy days in all

Kelmis in summer

Jun – Aug

72

Good

  • 22–24 °C by day
  • 6.7 h of sun a day
  • 41 rainy days in all

Kelmis in autumn

Sep – Nov

47

Fair

  • 10–20 °C by day
  • 3.7 h of sun a day
  • 38 rainy days in all

Kelmis in winter

Dec – Feb

8

Poor

  • 6–7 °C by day
  • 2.2 h of sun a day
  • 42 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

Oct – Mar

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 Kelmis 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

53

Holiday weather in October

Fair

Best time to visit: April – September

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 8°
  2. Midday, 13:00: about 14°
  3. Afternoon, 16:00: about 15°
  4. Evening, 20:00: about 12°
  5. Night, 23:00: about 10°

07:5718:46

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 07:37–08:42 · evening 18:01–19:07
Blue hour
Morning 07:24–07:37 · evening 19:07–19:19

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 Kelmis compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 17° at the start of the month to 12° at the end. The days get 1.8 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high17°12°
Night-time low9°6°
Daylight11.7 h9.9 h

What is the weather like in Kelmis in October?

In October, Kelmis is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.9 hours a day. Rain is frequent, with about 13 rainy days and 71 mm in total. All in all, October is a so-so month for a holiday in Kelmis.

More details for October

Daylight
10 h 49 min07:57 – 18:46
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
21 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 %77 %
  • Sunshineweight 20 %15 %
  • Few rainy daysweight 30 %38 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.

What to pack in October

  • A jumper for the evenings
  • Rain jacket or umbrella

Compare two months in Kelmis

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 Kelmis: score 74 against 53. In June, days are 7 °C warmer than in October. The sun shines 3 hours longer a day in June.

October vs June, Kelmis
MonthOctoberJune
Holiday weather score5374better
Daytime high15°22°
Night-time low8°12°
Sunshine3.9 h6.9 hbetter
Rainy days1313
Rainfall71 mm78 mm

Based on the climate averages 1996–2025.

Kelmis month by month

The typical weather for every month at a glance.

8January6° · 2.2 h

In January, Kelmis is cold: daytime highs average 6 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 2.2 hours a day. It rains often – on about 14 days, adding up to 77 mm. Snow falls on about 2 days. All in all, January is not an ideal month for a holiday in Kelmis.

Kelmis in January
11February7° · 2.7 h

In February, Kelmis is cold: daytime highs average 7 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 2.7 hours a day. Rain is frequent, with about 13 rainy days and 71 mm in total. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Kelmis.

Kelmis in February
29March11° · 4.1 h

In March, Kelmis is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. Expect around 4.1 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 69 mm in total. All in all, March is not an ideal month for a holiday in Kelmis.

Kelmis in March
60April15° · 5.6 h

In April, Kelmis is cool: daytime highs average 15 °C, and nights cool down to about 6 °C. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 57 mm in total. All in all, April is a good month for a holiday in Kelmis.

Kelmis in April
71May19° · 6.3 h

In May, Kelmis is mild: daytime highs average 19 °C, and nights cool down to about 9 °C. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 71 mm in total. All in all, May is a good month for a holiday in Kelmis.

Kelmis in May
74June22° · 6.9 h

In June, Kelmis is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sun shines for around 6.9 hours a day. Rain is frequent, with about 13 rainy days and 78 mm in total. All in all, June is a good month for a holiday in Kelmis.

Kelmis in June
70July24° · 6.7 h

In July, Kelmis is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sun shines for around 6.7 hours a day. It rains often – on about 14 days, adding up to 88 mm. All in all, July is a good month for a holiday in Kelmis.

Kelmis in July
71August23° · 6.4 h

In August, Kelmis is warm: daytime highs average 23 °C, and nights cool down to about 14 °C. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 83 mm in total. All in all, August is a good month for a holiday in Kelmis.

Kelmis in August
72September20° · 5.0 h

In September, Kelmis is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. Expect around 5.0 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 66 mm in total. All in all, September is a good month for a holiday in Kelmis.

Kelmis in September
53October15° · 3.9 h

In October, Kelmis is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.9 hours a day. Rain is frequent, with about 13 rainy days and 71 mm in total. All in all, October is a so-so month for a holiday in Kelmis.

Kelmis in October
17November10° · 2.3 h

In November, Kelmis is cold: daytime highs average 10 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 2.3 hours a day. Rain is frequent, with about 14 rainy days and 71 mm in total. All in all, November is not an ideal month for a holiday in Kelmis.

Kelmis in November
6December6° · 1.7 h

In December, Kelmis is cold: daytime highs average 6 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 1.7 hours a day. It rains often – on about 15 days, adding up to 82 mm. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Kelmis.

Kelmis in December

Climate in detail

Year & climate table

Climate through the year

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

Best time to visit

Nights and sleep in Kelmis

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 (15°). Nights are pleasant for sleeping (15 to 20 °C) in July. 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.

OctoberDay 15°Night 8°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan86°1°2.2 h1477
FebruaryFeb117°1°2.7 h1371
MarchMar2911°4°4.1 h1369
AprilApr6015°6°5.6 h1257
MayMay7119°9°6.3 h1371
JuneJun7422°12°6.9 h1378
JulyJul7024°15°6.7 h1488
AugustAug7123°14°6.4 h1483
SeptemberSep7220°11°5.0 h1166
OctoberOct5315°8°3.9 h1371
NovemberNov1710°5°2.3 h1471
DecemberDec66°1°1.7 h1582

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

50.72° N, 6.01° E · 220 m · Europe/Brussels

Sunshine
Sunshine

Sunshine hours in Kelmis

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

Per year
1,640 hours
Sunniest month
Jun · 6.9 h a day
Least sunshine
Dec · 1.7 h a day
OctoberSunshine 3.9 hDaylight 10.8 hShare of daylight 36 %
SunshineDaylight

In October, the sun shines for about 3.9 of 10.8 hours of daylight in Kelmis, 36 % of the daylight hours.

Sunshine hours: measured at the weather station 9 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Rain
Rain

Rain in Kelmis: 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
883 mm on 159 days
Wettest month
Jul · 88 mm
Driest month
Apr · 57 mm
OctoberRainy days 13Rainfall 71 mm

In October, Kelmis has about 13 rainy days with 71 mm of rain in total.

UV index
Sun protection

UV index in Kelmis

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 65 min
Fair skin
about 80 min
Light brown skin
about 115 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 & clouds

Wind and clouds in Kelmis

How breezy and how cloudy Kelmis 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 · 22 km/h
Calmest month
Aug · 17 km/h
OctoberWind 21 km/hBeaufort 4

In October, the wind in Kelmis typically peaks at 21 km/h during the day: Beaufort 4, moderate breeze.

Clouds

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

Year average
68 % · mostly cloudy
Clearest month
Aug · 61 %
Cloudiest month
Dec · 78 %
OctoberCloud cover 71 %Sunshine 3.9 h

In October, cloud covers on average 71 % of the sky over Kelmis: mostly cloudy, with about 3.9 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 & humidity

Heat and humidity in Kelmis

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

Hot days a year
6 days
Hottest month
Jul · 24 °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 15 °C

In October, Kelmis 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

Snow in Kelmis

Snow is possible in Kelmis, 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
10 days
Fresh snow a year
34 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 Kelmis.

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 Kelmis

Weather for your travel dates

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

Kelmis 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.

Kelmis has its best school-holiday weather during May half-term (score 72) and its weakest during the Christmas holidays (score 7).

  • Easter holidays

    Mar – Apr

    51

    Fair

    • 14 °C by day
    • 5.1 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    72

    GoodBest holidays

    • 19 °C by day
    • 6.4 h of sun a day
    • 13 rainy days a month
  • Summer holidays

    Jul – Aug

    71

    Good

    • 24 °C by day
    • 6.5 h of sun a day
    • 14 rainy days a month
  • October half-term

    Oct

    53

    Fair

    • 15 °C by day
    • 3.9 h of sun a day
    • 13 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    7

    Poor

    • 6 °C by day
    • 2.0 h of sun a day
    • 15 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
460 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: Belgium

Currency
Euro (EUR)
Languages
Dutch, French, German
Sockets
Type C, E · 230 V
Traffic
Drives on the right
Dialling code
+32
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
Compare

Kelmis compared

Put Kelmis side by side with another destination.

Nearby:
Compare with home:

Kelmis vs Aachen

In October the holiday weather in Kelmis and Aachen is about equally good (score 53 vs 53). During the day it is about as warm in Aachen as in Kelmis.

Kelmis vs Aachen, in October
in OctoberKelmisAachen
Holiday weather score5353
Daytime high15°15°
Sunshine4 h4 h
Rainy days1313
Best timeApr – SepMay – Sep

Through the year

OctoberKelmis 15°Aachen 15°
KelmisAachen
Go to Aachen
Best places in the country
Ranking

Belgium in October: the best places

In October, Kelmis ranks 5 among the 31 nearest destinations in this country.

  1. Huy16°57
  2. 2Diest16°54
  3. 3Dinant15°54
  4. 4Mechelen16°54
  5. 5KelmisThis page15°53
  6. 6Liège16°53
  7. 7Maasmechelen16°53
  8. 8Hasselt16°53
All destinations: Belgium
Places nearby

Near Kelmis

Other destinations close by.

Places with a similar climate

Places with a climate like Kelmis

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

  1. 94 % similar49ApeldoornNetherlands15°Best time: Apr – Sep
  2. 93 % similar49DeventerNetherlands15°Best time: Apr – Sep
  3. 93 % similar49ZutphenNetherlands15°Best time: Apr – Sep
  4. 93 % similar51GroenloNetherlands15°Best time: Apr – Sep

Frequently asked questions about Kelmis

When is the best time to visit Kelmis?

The best time to visit Kelmis 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 Kelmis?

July is the warmest month, with average highs of 24 °C and nights around 15 °C. December is the coolest month at 6 °C.

When does it rain most in Kelmis?

Rain is frequent from October to March; the wettest month is July with 88 mm. The driest month is April with 57 mm.

How many hours of sunshine does Kelmis get?

Kelmis gets around 1,640 hours of sunshine a year. The sunniest month is June with 6.9 hours a day; in December there are 1.7 hours a day.

What time zone is Kelmis in?

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

Which school holidays are best for Kelmis?

Kelmis has its best school-holiday weather during May half-term (score 72) and its weakest during the Christmas holidays (score 7). Holiday ratings (0–100): Easter holidays 51, May half-term 72, summer holidays 71, October half-term 53, Christmas holidays 7.