Kortenberg weather in October

In October, Kortenberg sees average daytime highs of 15°C and overnight lows near 8°C, with 57 mm of rain across 11 wet days and about 10.4 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 13°C by the end. The sky is clear or mostly clear about 15% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 30 min by month's end. Set against the rest of the year, October is Kortenberg's 8th-clearest and 6th-windiest month. For the whole year in context, see Kortenberg's year-round climate.

Daytime high
15°
6th warmest
Overnight low
7th coldest
Rainfall
57 mm
11 wet days
Daylight
10 h 24 min
7:14 AM – 5:39 PM
Cloud cover
72%
8th clearest
Wind
14 km/h
6th windiest
Solar energy
1.87 kWh/m²
Travel score
4.2
out of 10

Kortenberg is town in Kortenberg municipality, Belgium.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 13°C by the end.

A typical October day in Kortenberg reaches about 15°C in the afternoon and slips back to 8°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 19°C. Set against its neighbours, October runs about 4°C cooler than September and about 5°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11710
21710
31710
41710
51710
61610
7169
8169
9169
10169
11169
12159
13159
14158
15158
16158
17158
18158
19148
20148
21148
22148
23148
24148
25148
26137
27137
28137
29137
30137
31137

How October really feels in Kortenberg

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kortenberg weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6111.60.98.20.5
Feb / 5510.91.49.70.8
Mar11° / 5311.40.711.52.4
Apr15° / 4510.9013.54.1
May18° / 5911.7015.35.5
Jun21° / 12°6511.4016.26.0
Jul23° / 14°7112.3015.86.4
Aug23° / 14°7212014.36.4
Sep19° / 11°5210.2012.46.0
Oct15° / 5711010.44.2
Nov10° / 6011.70.38.72.0
Dec / 7012.91.27.80.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22773
32773
42773
52674
62773
72773
82872
92872
102872
112971
123070
133169
143169
153169
163169
173169
183169
193169
203070
213070
223070
232971
242971
252872
262872
272674
282674
292674
302674
312575

Chance of precipitation in October

Any precipitation

Kortenberg gets around 57 mm of rain over 11 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
636
736
835
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1936
2036
2136
2236
2336
2436
2537
2637
2737
2837
2937
3038
3138

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
180191
281181
381181
482171
583170
684160
785150
886140
986140
1087130
1188120
1288120
1389110
1489110
1590100
1690100
1790100
189190
199190
209280
219280
229370
239460
249460
259550
269550
279640
289640
299730
309730
319730

Wind in October

Winds average 14 km/h in October.

Across October, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over October. Sunrise moves from 6:49 AM to 7:40 AM, and sunset from 6:12 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:496:12
211.36:516:10
311.36:526:08
411.26:546:06
511.16:566:03
611.16:576:01
711.06:595:59
810.97:015:57
910.97:025:54
1010.87:045:52
1110.77:065:50
1210.77:085:48
1310.67:095:46
1410.57:115:44
1510.57:135:41
1610.47:145:39
1710.47:165:37
1810.37:185:35
1910.27:205:33
2010.27:215:31
2110.17:235:29
2210.07:255:27
2310.07:265:25
249.97:285:23
259.97:305:21
269.87:325:19
279.77:335:18
289.77:355:16
299.67:375:14
309.67:395:12
319.57:405:10

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.87 kWh/m².

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 5.29 kWh/m² in June across the year — October's 1.87 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.0Moderate
132.0Moderate
142.0Dim
151.9Dim
161.9Dim
171.9Dim
181.8Dim
191.8Dim
201.8Dim
211.7Dim
221.7Dim
231.7Dim
241.6Dim
251.6Dim
261.5Dim
271.5Dim
281.5Dim
291.4Dim
301.4Dim
311.4Dim
Planning a trip in October

Is October a good time to visit Kortenberg?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.2
Sightseeing
6th-best month of the year
0.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Kortenberg for sightseeing.

What to pack for Kortenberg in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Kortenberg sees daytime highs around 15°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Kortenberg in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kortenberg peaks around July 13 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Kortenberg in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Kortenberg is worst in April — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1317 µg/m³Dec 1511 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar17Moderate
Apr18Moderate
May16Moderate
Jun15Moderate
Jul14Moderate
Aug15Moderate
Sep15Moderate
Oct13Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is Kortenberg?

Kortenberg sits at 50.9°N, 4.5°E, 47 m above sea level, in Belgium. The nearest listed city is Zaventem, 5.0 km away.

Topography around Kortenberg

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kortenberg.

Within 3 km, the terrain around Kortenberg has only modest variations in elevation — a maximum elevation change of 105 m around an average of 50 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 164 m; within 80 km, significant variations in elevation — a maximum elevation change of 454 m.

The land around Kortenberg is covered by cropland (38%) and trees (25%) within 3 km, trees (40%) and artificial surfaces (23%) within 16 km, and cropland (34%), trees (29%) and grassland (24%) within 80 km.

3 km
105 m
16 km
164 m
80 km
454 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Zaventem 5.0 km · Kraainem 6.0 km · Tervuren 8.0 km · Vilvoorde 9.0 km · Herent 9.0 km · Woluwe-Saint-Lambert 10 km · Evere 10 km · Heverlee 11 km

Belgium travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 81% of US
price level, 2025
GDP per capita
$60,750
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
5.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 608
Religion
Roman Catholic 57%nonbeliever/agnostic 20%atheist 9%Muslim 7%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kortenberg (50.8898°, 4.5435°, elevation 47 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).