Kalundborg weather in April

In April, Kalundborg sees average daytime highs of 8°C and overnight lows near 5°C, with 36 mm of precipitation across 8.5 wet days and about 13.8 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 6°C in the first days to 10°C by the end. The sky is clear or mostly clear about 33% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of April to 14 h 54 min by month's end. Set against the rest of the year, April is Kalundborg's 4th-clearest and 10th-windiest month. For the whole year in context, see Kalundborg's year-round climate.

Daytime high
7th warmest
Overnight low
5th coldest
Precipitation
36 mm
8.5 wet days
Daylight
13 h 54 min
5:20 AM – 7:11 PM
Cloud cover
57%
4th clearest
Wind
22 km/h
10th windiest
Solar energy
4.38 kWh/m²
Travel score
1.5
out of 10

Kalundborg is town in Denmark.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 6°C in the first days to 10°C by the end.

A typical April day in Kalundborg reaches about 8°C in the afternoon and slips back to 5°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 11°C. Set against its neighbours, April runs about 3°C warmer than March and about 5°C cooler than May.

10°15°151015202530
Avg high (°C)Avg low (°C)
164
264
364
474
574
674
774
874
975
1075
1175
1285
1385
1485
1585
1685
1786
1886
1996
2096
2196
2296
2396
24107
25107
26107
27107
28107
29107
30108

How April really feels in Kalundborg

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 8 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
8
wind chill below the day's low

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

Kalundborg weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5712.23.47.40.0
Feb / 449.93.59.20.0
Mar / 439.42.111.40.1
Apr / 368.50.313.81.5
May13° / 10°5110015.93.6
Jun16° / 13°6410.5017.15.1
Jul19° / 16°6310.7016.76.0
Aug19° / 16°7111.6014.85.9
Sep16° / 14°6711.6012.54.7
Oct12° / 10°7513010.12.8
Nov / 6513.40.681.1
Dec / 6312.72.46.90.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34555
44555
54654
64654
74654
84753
94753
104951
114951
124951
135149
145248
155347
165347
175347
185347
195248
205248
215248
225149
235149
245149
255050
265050
275050
285050
294951
304951

Chance of precipitation in April

Any precipitationSnow

Kalundborg gets around 36 mm of rain and snow over 8.5 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1273
2273
3283
4283
5282
6282
7282
8282
9282
10282
11272
12272
13261
14261
15251
16251
17251
18251
19261
20261
21271
22271
23281
24280
25290
26290
27300
28310
29310
30320

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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

Wind in April

Winds average 22 km/h in April.

Across April, daily wind ranges from about 21 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
124breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 42 min at the start of April to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 132 minutes over April. Sunrise moves from 6:00 AM to 4:46 AM, and sunset from 6:41 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:006:41
212.85:576:43
312.85:546:45
412.95:526:47
513.05:496:49
613.15:466:51
713.25:446:53
813.25:416:55
913.35:386:57
1013.45:366:59
1113.55:337:01
1213.55:317:03
1313.65:287:05
1413.75:257:07
1513.85:237:09
1613.95:207:11
1713.95:187:14
1814.05:157:16
1914.15:137:18
2014.25:107:20
2114.25:087:22
2214.35:057:24
2314.45:037:26
2414.55:007:28
2514.54:587:30
2614.64:557:32
2714.74:537:34
2814.84:517:36
2914.84:487:38
3014.94:467:40

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.38 kWh/m².

For context, solar energy here swings from a low near 0.38 kWh/m² to a high of 6 kWh/m² in June across the year — April's 4.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.6Moderate
33.6Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.9Moderate
84.0Moderate
94.0Bright
104.1Bright
114.2Bright
124.2Bright
134.3Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.6Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.9Bright
244.9Bright
254.9Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Kalundborg?

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

1.5
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Kalundborg.

What to pack for Kalundborg in April

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

In April, Kalundborg sees daytime highs around 8°C and nights near 5°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 9 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Kalundborg in April

The nearest coast averages about 6°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February near 2°C.

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

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Bracing
Jul18Cool
Aug18Cool
Sep16Cool
Oct12Bracing
Nov8Bracing
Dec5Bracing

UV index in Kalundborg in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kalundborg peaks around June 22 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Kalundborg?

Kalundborg sits at 55.7°N, 11.1°E, 3 m above sea level, in Denmark. The nearest listed city is Slagelse, 35 km away.

SlagelseHolbækNyborgRingstedOdenseRoskildeKlinteby FrihedFrederikssund

Topography around Kalundborg

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

Within 3 km, the terrain around Kalundborg has only modest variations in elevation — a maximum elevation change of 62 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, only modest variations in elevation — a maximum elevation change of 149 m.

The land around Kalundborg is covered by cropland (22%), water (22%) and grassland (20%) within 3 km, water (61%) and cropland (20%) within 16 km, and water (53%) and cropland (25%) within 80 km.

3 km
62 m
16 km
83 m
80 km
149 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Slagelse 35 km · Holbæk 39 km · Nyborg 45 km · Ringsted 51 km · Odense 54 km · Roskilde 62 km · Klinteby Frihed 62 km · Frederikssund 64 km

Denmark travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / F / K
230 V · 50 Hz
Prices
≈ 92% of US
price level, 2025
GDP per capita
$76,970
2025
Happiness
7.5 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
3.7
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 611
Religion
Evangelical Lutheran 71%other/none/unspecified 24%Muslim 4%

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 Kalundborg (55.6795°, 11.0886°, elevation 3 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).