Kalmthout weather in October

In October, Kalmthout sees average daytime highs of 15°C and overnight lows near 8°C, with 62 mm of rain across 11.3 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 16°C in the first days to 13°C by the end. The sky is clear or mostly clear about 14% 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 Kalmthout's 8th-clearest and 6th-windiest month. For the whole year in context, see Kalmthout's year-round climate.

Daytime high
15°
6th warmest
Overnight low
7th coldest
Rainfall
62 mm
11.3 wet days
Daylight
10 h 24 min
7:16 AM – 5:39 PM
Cloud cover
71%
8th clearest
Wind
15 km/h
6th windiest
Solar energy
1.84 kWh/m²
Travel score
4.1
out of 10

Kalmthout is town in Kalmthout 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 16°C in the first days to 13°C by the end.

A typical October day in Kalmthout reaches about 15°C in the afternoon and slips back to 8°C overnight — a 6°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
31610
41610
51610
61610
7169
8169
9169
10159
11159
12159
13159
14159
15158
16158
17148
18148
19148
20148
21148
22148
23148
24148
25138
26138
27137
28137
29137
30137
31127

How October really feels in Kalmthout

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.

Kalmthout 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 / 6311.918.20.4
Feb / 55111.59.60.7
Mar10° / 5411.50.711.52.2
Apr14° / 4710.80.113.54.0
May18° / 6212.1015.35.4
Jun20° / 12°6611.1016.36.0
Jul22° / 14°7713.4015.96.2
Aug22° / 14°7612.3014.46.2
Sep19° / 12°5911012.45.7
Oct15° / 6211.3010.44.1
Nov10° / 6412.20.48.61.9
Dec / 7413.41.17.70.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22674
32674
42674
52773
62773
72773
82872
92971
102971
112971
123169
133169
143169
153169
163169
173169
183169
193169
203169
213169
223070
233070
242971
252971
262773
272773
282674
292674
302674
312575

Chance of precipitation in October

Any precipitation

Kalmthout gets around 62 mm of rain over 11.3 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 37% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
242
342
441
541
640
739
838
937
1037
1136
1235
1335
1435
1534
1634
1734
1834
1934
2035
2135
2235
2335
2436
2536
2636
2737
2837
2938
3038
3139

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
177221
278211
379201
480200
581190
682180
783170
884160
985150
1086140
1187130
1287130
1388120
1488120
1589110
1689110
1790100
1890100
199190
209190
219280
229370
239370
249460
259460
269550
279550
289640
299640
309640
319730

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light 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 6:50 AM to 7:42 AM, and sunset from 6:12 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:506:12
211.36:516:10
311.26:536:08
411.26:556:05
511.16:576:03
611.06:586:01
711.07:005:59
810.97:025:56
910.87:035:54
1010.87:055:52
1110.77:075:50
1210.67:095:47
1310.67:105:45
1410.57:125:43
1510.57:145:41
1610.47:165:39
1710.37:175:37
1810.37:195:35
1910.27:215:32
2010.17:235:30
2110.17:245:28
2210.07:265:26
239.97:285:24
249.97:305:22
259.87:315:20
269.87:335:18
279.77:355:17
289.67:375:15
299.67:395:13
309.57:405:11
319.57:425:09

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.84 kWh/m².

For context, solar energy here swings from a low near 0.6 kWh/m² to a high of 5.27 kWh/m² in June across the year — October's 1.84 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.2Moderate
52.2Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.0Moderate
112.0Moderate
122.0Dim
132.0Dim
141.9Dim
151.9Dim
161.9Dim
171.8Dim
181.8Dim
191.8Dim
201.7Dim
211.7Dim
221.7Dim
231.6Dim
241.6Dim
251.6Dim
261.5Dim
271.5Dim
281.4Dim
291.4Dim
301.4Dim
311.3Dim
Planning a trip in October

Is October a good time to visit Kalmthout?

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

4.1
Sightseeing
6th-best month of the year
0.3
Beach & pool
6th-best month of the year

October is a reasonable time to visit Kalmthout for sightseeing.

What to pack for Kalmthout in October

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

In October, Kalmthout 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

Sea temperature near Kalmthout in October

The nearest coast averages about 15°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 65 km away) is warmest in August at about 19°C and coldest in February near 6°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan6Bracing
Feb6Bracing
Mar6Bracing
Apr9Bracing
May12Bracing
Jun15Cool
Jul18Cool
Aug19Cool
Sep18Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in Kalmthout 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 Kalmthout peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Kalmthout?

Kalmthout sits at 51.4°N, 4.5°E, 21 m above sea level, in Belgium. The nearest listed city is Kapellen, 8.0 km away.

MerksemRoosendaalSchilde

Topography around Kalmthout

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

Within 3 km, the terrain around Kalmthout has only modest variations in elevation — a maximum elevation change of 36 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 57 m; within 80 km, only modest variations in elevation — a maximum elevation change of 188 m.

The land around Kalmthout is covered by trees (44%) and grassland (34%) within 3 km, trees (36%), grassland (27%) and cropland (20%) within 16 km, and grassland (28%), cropland (24%) and trees (21%) within 80 km.

3 km
36 m
16 km
57 m
80 km
188 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Kapellen 8.0 km · Stabroek 9.0 km · Brasschaat 10 km · Ekeren 12 km · Schoten 15 km · Merksem 15 km · Roosendaal 16 km · Schilde 18 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 Kalmthout (51.3844°, 4.4756°, elevation 21 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).