Kalundborg weather in May

In May, Kalundborg sees average daytime highs of 13°C and overnight lows near 10°C, with 51 mm of rain across 10 wet days and about 15.9 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 15°C by the end. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of May to 16 h 48 min by month's end. Set against the rest of the year, May is Kalundborg's 1st-clearest and 11th-windiest month. For the whole year in context, see Kalundborg's year-round climate.

Daytime high: 13°; 5th warmest
Overnight low: 10°; 7th coldest
Rainfall: 51 mm; 10 wet days
Daylight: 16 hours; 4:13 AM – 8:11 PM
Cloud cover: 54%; 1st clearest
Wind: 21 km/h; 11th windiest
Solar energy: 5.63 kWh/m²
Travel score: 3.6; out of 10

Kalundborg is town in Denmark.

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

← April Kalundborg year-round climate June →Best places to visit in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 15°C by the end.

A typical May day in Kalundborg reaches about 13°C in the afternoon and slips back to 10°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	11	11	11	11	11	11	11	12	12	12	12	12	12	12	13	13	13	13	13	13	14	14	14	14	14	14	14	15	15	15	15
Avg low (°C)	8	8	8	8	8	8	9	9	9	9	9	9	9	10	10	10	10	10	10	10	11	11	11	11	11	11	11	12	12	12	12

	Avg high (°C)	Avg low (°C)
1	11	8
2	11	8
3	11	8
4	11	8
5	11	8
6	11	8
7	11	9
8	12	9
9	12	9
10	12	9
11	12	9
12	12	9
13	12	9
14	12	10
15	13	10
16	13	10
17	13	10
18	13	10
19	13	10
20	13	10
21	14	11
22	14	11
23	14	11
24	14	11
25	14	11
26	14	11
27	14	11
28	15	12
29	15	12
30	15	12
31	15	12

How May really feels in Kalundborg

Once humidity and wind are folded in, May 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Kalundborg weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	4° / 1°	57	12.2	3.4	7.4	0.0
Feb	3° / 1°	44	9.9	3.5	9.2	0.0
Mar	5° / 2°	43	9.4	2.1	11.4	0.1
Apr	8° / 5°	36	8.5	0.3	13.8	1.5
May	13° / 10°	51	10	0	15.9	3.6
Jun	16° / 13°	64	10.5	0	17.1	5.1
Jul	19° / 16°	63	10.7	0	16.7	6.0
Aug	19° / 16°	71	11.6	0	14.8	5.9
Sep	16° / 14°	67	11.6	0	12.5	4.7
Oct	12° / 10°	75	13	0	10.1	2.8
Nov	8° / 6°	65	13.4	0.6	8	1.1
Dec	5° / 3°	63	12.7	2.4	6.9	0.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 47%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	51	51	52	53	53	54	55	55	55	56	55	55	54	53	54	53	53	52	52	52	52	52	53	53	53	53	54	54	53	54	54
Cloudier (%)	49	49	48	47	47	46	45	45	45	44	45	45	46	47	46	47	47	48	48	48	48	48	47	47	47	47	46	46	47	46	46

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	52	48
4	53	47
5	53	47
6	54	46
7	55	45
8	55	45
9	55	45
10	56	44
11	55	45
12	55	45
13	54	46
14	53	47
15	54	46
16	53	47
17	53	47
18	52	48
19	52	48
20	52	48
21	52	48
22	52	48
23	53	47
24	53	47
25	53	47
26	53	47
27	54	46
28	54	46
29	53	47
30	54	46
31	54	46

Chance of precipitation in May

Any precipitation

Kalundborg gets around 51 mm of rain over 10 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 34% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	32	32	32	31	31	31	31	31	31	31	32	32	32	33	33	33	33	33	33	33	34	34	34	33	33	33	32	32	32	31	31

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	31
9	31
10	31
11	32
12	32
13	32
14	33
15	33
16	33
17	33
18	33
19	33
20	33
21	34
22	34
23	34
24	33
25	33
26	33
27	32
28	32
29	32
30	31
31	31

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	99	99	99	99	98	98	97	97	97	96	95	95	94	94	93	92	92	91	90	89
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	2	2	3	3	3	4	5	5	6	6	7	8	8	9	10	11

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	99	1
13	99	1
14	99	1
15	99	1
16	98	2
17	98	2
18	97	3
19	97	3
20	97	3
21	96	4
22	95	5
23	95	5
24	94	6
25	94	6
26	93	7
27	92	8
28	92	8
29	91	9
30	90	10
31	89	11

Wind in May

Winds average 21 km/h in May.

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

	Wind speed (km/h)	Feels
1	21	breezy
2	21	breezy
3	21	breezy
4	21	breezy
5	21	breezy
6	21	breezy
7	21	breezy
8	21	breezy
9	21	breezy
10	21	breezy
11	21	breezy
12	21	breezy
13	21	breezy
14	21	breezy
15	21	breezy
16	21	breezy
17	21	breezy
18	21	breezy
19	21	breezy
20	21	breezy
21	21	breezy
22	21	breezy
23	21	breezy
24	21	breezy
25	21	breezy
26	21	breezy
27	21	breezy
28	21	breezy
29	21	breezy
30	21	breezy
31	21	breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 hours at the start of May to 16 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over May. Sunrise moves from 4:44 AM to 3:50 AM, and sunset from 7:42 PM to 8:36 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	15.0	15.0	15.1	15.2	15.2	15.3	15.4	15.5	15.5	15.6	15.7	15.7	15.8	15.8	15.9	16.0	16.0	16.1	16.1	16.2	16.3	16.3	16.4	16.4	16.5	16.5	16.6	16.6	16.7	16.7	16.8
Sunrise (AM)	4:44	4:42	4:39	4:37	4:35	4:33	4:31	4:28	4:26	4:24	4:22	4:20	4:18	4:17	4:15	4:13	4:11	4:09	4:08	4:06	4:04	4:03	4:01	4:00	3:58	3:57	3:55	3:54	3:53	3:52	3:50
Sunset (PM)	7:42	7:44	7:46	7:48	7:50	7:52	7:54	7:56	7:58	8:00	8:02	8:03	8:05	8:07	8:09	8:11	8:13	8:15	8:16	8:18	8:20	8:22	8:23	8:25	8:27	8:28	8:30	8:31	8:33	8:34	8:36

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	15.0	4:44	7:42
2	15.0	4:42	7:44
3	15.1	4:39	7:46
4	15.2	4:37	7:48
5	15.2	4:35	7:50
6	15.3	4:33	7:52
7	15.4	4:31	7:54
8	15.5	4:28	7:56
9	15.5	4:26	7:58
10	15.6	4:24	8:00
11	15.7	4:22	8:02
12	15.7	4:20	8:03
13	15.8	4:18	8:05
14	15.8	4:17	8:07
15	15.9	4:15	8:09
16	16.0	4:13	8:11
17	16.0	4:11	8:13
18	16.1	4:09	8:15
19	16.1	4:08	8:16
20	16.2	4:06	8:18
21	16.3	4:04	8:20
22	16.3	4:03	8:22
23	16.4	4:01	8:23
24	16.4	4:00	8:25
25	16.5	3:58	8:27
26	16.5	3:57	8:28
27	16.6	3:55	8:30
28	16.6	3:54	8:31
29	16.7	3:53	8:33
30	16.7	3:52	8:34
31	16.8	3:50	8:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.63 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 — May's 5.63 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.6	5.6	5.7	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.9	5.9	5.9	6.0
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.2	Bright
2	5.2	Bright
3	5.3	Bright
4	5.3	Bright
5	5.3	Bright
6	5.4	Bright
7	5.4	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.5	Bright
12	5.5	Bright
13	5.5	Bright
14	5.6	Bright
15	5.6	Bright
16	5.6	Bright
17	5.6	Bright
18	5.6	Bright
19	5.7	Bright
20	5.7	Bright
21	5.7	Bright
22	5.7	Bright
23	5.7	Bright
24	5.8	Bright
25	5.8	Bright
26	5.8	Bright
27	5.8	Bright
28	5.9	Bright
29	5.9	Bright
30	5.9	Bright
31	6.0	Bright

Planning a trip in May

Is May a good time to visit Kalundborg?

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

3.6

Sightseeing

5th-best month of the year

0.0

Beach & pool

5th-best month of the year

May is a weaker month for outdoor sightseeing in Kalundborg.

What to pack for Kalundborg in May

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

In May, Kalundborg sees daytime highs around 13°C and nights near 10°C. Worth packing: a warm layer, rain gear, sun protection and a windbreaker. About 10 days see rain.

a warm layerrain gearsun protectiona windbreaker

Sea temperature near Kalundborg in May

The nearest coast averages about 11°C in May — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	3	2	3	6	11	15	18	18	16	12	8	5
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Cool	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	3	Bracing
Feb	2	Bracing
Mar	3	Bracing
Apr	6	Bracing
May	11	Bracing
Jun	15	Bracing
Jul	18	Cool
Aug	18	Cool
Sep	16	Cool
Oct	12	Bracing
Nov	8	Bracing
Dec	5	Bracing

UV index in Kalundborg in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	0	1	2	3	5	6	6	5	4	2	1	0
Level	Low	Low	Moderate	Moderate	Moderate	High	High	Moderate	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	0	Low
Feb	1	Low
Mar	2	Moderate
Apr	3	Moderate
May	5	Moderate
Jun	6	High
Jul	6	High
Aug	5	Moderate
Sep	4	Moderate
Oct	2	Low
Nov	1	Low
Dec	0	Low

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.

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

cropland 22%

16 km

83 m

water 61%

80 km

149 m

water 53%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← April Kalundborg year-round climate June →Best places to visit in May

May 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

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).

	Avg high (°C)	Avg low (°C)
1	11	8
2	11	8
3	11	8
4	11	8
5	11	8
6	11	8
7	11	9
8	12	9
9	12	9
10	12	9
11	12	9
12	12	9
13	12	9
14	12	10
15	13	10
16	13	10
17	13	10
18	13	10
19	13	10
20	13	10
21	14	11
22	14	11
23	14	11
24	14	11
25	14	11
26	14	11
27	14	11
28	15	12
29	15	12
30	15	12
31	15	12

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	52	48
4	53	47
5	53	47
6	54	46
7	55	45
8	55	45
9	55	45
10	56	44
11	55	45
12	55	45
13	54	46
14	53	47
15	54	46
16	53	47
17	53	47
18	52	48
19	52	48
20	52	48
21	52	48
22	52	48
23	53	47
24	53	47
25	53	47
26	53	47
27	54	46
28	54	46
29	53	47
30	54	46
31	54	46

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	31
9	31
10	31
11	32
12	32
13	32
14	33
15	33
16	33
17	33
18	33
19	33
20	33
21	34
22	34
23	34
24	33
25	33
26	33
27	32
28	32
29	32
30	31
31	31

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	99	1
13	99	1
14	99	1
15	99	1
16	98	2
17	98	2
18	97	3
19	97	3
20	97	3
21	96	4
22	95	5
23	95	5
24	94	6
25	94	6
26	93	7
27	92	8
28	92	8
29	91	9
30	90	10
31	89	11

	Avg high (°C)	Avg low (°C)
1	11	8
2	11	8
3	11	8
4	11	8
5	11	8
6	11	8
7	11	9
8	12	9
9	12	9
10	12	9
11	12	9
12	12	9
13	12	9
14	12	10
15	13	10
16	13	10
17	13	10
18	13	10
19	13	10
20	13	10
21	14	11
22	14	11
23	14	11
24	14	11
25	14	11
26	14	11
27	14	11
28	15	12
29	15	12
30	15	12
31	15	12

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	52	48
4	53	47
5	53	47
6	54	46
7	55	45
8	55	45
9	55	45
10	56	44
11	55	45
12	55	45
13	54	46
14	53	47
15	54	46
16	53	47
17	53	47
18	52	48
19	52	48
20	52	48
21	52	48
22	52	48
23	53	47
24	53	47
25	53	47
26	53	47
27	54	46
28	54	46
29	53	47
30	54	46
31	54	46

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	31
9	31
10	31
11	32
12	32
13	32
14	33
15	33
16	33
17	33
18	33
19	33
20	33
21	34
22	34
23	34
24	33
25	33
26	33
27	32
28	32
29	32
30	31
31	31

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	99	1
13	99	1
14	99	1
15	99	1
16	98	2
17	98	2
18	97	3
19	97	3
20	97	3
21	96	4
22	95	5
23	95	5
24	94	6
25	94	6
26	93	7
27	92	8
28	92	8
29	91	9
30	90	10
31	89	11

	Avg high (°C)	Avg low (°C)
1	11	8
2	11	8
3	11	8
4	11	8
5	11	8
6	11	8
7	11	9
8	12	9
9	12	9
10	12	9
11	12	9
12	12	9
13	12	9
14	12	10
15	13	10
16	13	10
17	13	10
18	13	10
19	13	10
20	13	10
21	14	11
22	14	11
23	14	11
24	14	11
25	14	11
26	14	11
27	14	11
28	15	12
29	15	12
30	15	12
31	15	12

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	52	48
4	53	47
5	53	47
6	54	46
7	55	45
8	55	45
9	55	45
10	56	44
11	55	45
12	55	45
13	54	46
14	53	47
15	54	46
16	53	47
17	53	47
18	52	48
19	52	48
20	52	48
21	52	48
22	52	48
23	53	47
24	53	47
25	53	47
26	53	47
27	54	46
28	54	46
29	53	47
30	54	46
31	54	46

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	31
9	31
10	31
11	32
12	32
13	32
14	33
15	33
16	33
17	33
18	33
19	33
20	33
21	34
22	34
23	34
24	33
25	33
26	33
27	32
28	32
29	32
30	31
31	31

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	99	1
13	99	1
14	99	1
15	99	1
16	98	2
17	98	2
18	97	3
19	97	3
20	97	3
21	96	4
22	95	5
23	95	5
24	94	6
25	94	6
26	93	7
27	92	8
28	92	8
29	91	9
30	90	10
31	89	11