Kalmthout weather in March

In March, Kalmthout sees average daytime highs of 10°C and overnight lows near 4°C, with 54 mm of precipitation across 11.5 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 12°C by the end. The sky is clear or mostly clear about 18% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of March to 12 h 30 min by month's end. Set against the rest of the year, March is Kalmthout's 7th-clearest and 4th-windiest month. For the whole year in context, see Kalmthout's year-round climate.

Daytime high
10°
8th warmest
Overnight low
4th coldest
Precipitation
54 mm
11.5 wet days
Daylight
11 h 30 min
7:06 AM – 6:37 PM
Cloud cover
70%
7th clearest
Wind
15 km/h
4th windiest
Solar energy
2.7 kWh/m²
Travel score
2.2
out of 10

Kalmthout is town in Kalmthout municipality, Belgium.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 12°C by the end.

A typical March day in Kalmthout reaches about 10°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 15°C. Set against its neighbours, March runs about 3°C warmer than February and about 4°C cooler than April.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
183
283
383
493
593
693
793
893
993
10103
11104
12104
13104
14104
15104
16104
17104
18104
19114
20114
21114
22114
23114
24114
25114
26114
27114
28124
29124
30124
31125

How March really feels in Kalmthout

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 14 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
14
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Kalmthout weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 11th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32575
42773
52773
62971
72971
83070
93070
103070
113169
123169
133169
143268
153268
163268
173268
183268
193466
203466
213466
223466
233466
243664
253664
263565
273664
283664
293763
303763
313664

Chance of precipitation in March

Any precipitationSnow

Kalmthout gets around 54 mm of rain and snow over 11.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 44% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1444
2444
3444
4434
5433
6423
7413
8403
9393
10382
11372
12362
13352
14352
15342
16332
17332
18332
19322
20322
21332
22332
23332
24342
25342
26352
27352
28362
29361
30361
31371

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 15 km/h in March.

Across March, 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
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3014light breeze
3114light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 30 min at the start of March to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 120 minutes over March. Sunrise moves from 7:40 AM to 6:31 AM, and sunset from 6:11 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.57:406:11
210.67:386:13
310.67:366:14
410.77:336:16
510.87:316:18
610.87:296:20
710.97:276:21
811.07:256:23
911.07:226:25
1011.17:206:27
1111.27:186:28
1211.27:166:30
1311.37:136:32
1411.47:116:34
1511.47:096:35
1611.57:066:37
1711.67:046:39
1811.67:026:41
1911.76:596:42
2011.86:576:44
2111.86:556:46
2211.96:526:47
2312.06:506:49
2412.16:486:51
2512.16:456:53
2612.26:436:54
2712.36:416:56
2812.36:386:58
2912.46:366:59
3012.56:347:01
3112.56:317:03

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 2.7 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 — March's 2.7 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.0Dim
22.0Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.2Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.4Moderate
112.4Moderate
122.5Moderate
132.5Moderate
142.6Moderate
152.6Moderate
162.7Moderate
172.7Moderate
182.8Moderate
192.8Moderate
202.9Moderate
213.0Moderate
223.0Moderate
233.1Moderate
243.1Moderate
253.2Moderate
263.3Moderate
273.3Moderate
283.4Moderate
293.4Moderate
303.5Moderate
313.5Moderate
Planning a trip in March

Is March a good time to visit Kalmthout?

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

2.2
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

March is a weaker month for outdoor sightseeing in Kalmthout.

What to pack for Kalmthout in March

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

In March, Kalmthout sees daytime highs around 10°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Kalmthout in March

The nearest coast averages about 6°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3. 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
March 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).