Frederikssund weather in May

In May, Frederikssund sees average daytime highs of 16°C and overnight lows near 7°C, with 55 mm of rain across 10.7 wet days and about 16 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 17°C by the end. The sky is clear or mostly clear about 29% 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 Frederikssund's 1st-clearest and 10th-windiest month. For the whole year in context, see Frederikssund's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Rainfall
55 mm
10.7 wet days
Daylight
16 hours
4:08 AM – 8:08 PM
Cloud cover
59%
1st clearest
Wind
15 km/h
10th windiest
Solar energy
5.41 kWh/m²
Travel score
4.8
out of 10

Frederikssund is town in Denmark.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 17°C by the end.

A typical May day in Frederikssund reaches about 16°C in the afternoon and slips back to 7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 21°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1145
2145
3145
4146
5146
6156
7156
8156
9156
10156
11156
12157
13157
14157
15167
16167
17167
18167
19168
20168
21168
22178
23178
24178
25178
26179
27179
28179
29179
30189
31189

How May really feels in Frederikssund

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Frederikssund weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°4710.947.40.0
Feb / -1°3893.99.20.0
Mar / 419.62.411.40.6
Apr11° / 419.60.413.82.8
May16° / 5510.70164.8
Jun19° / 11°6911.4017.25.8
Jul21° / 13°7111.8016.76.2
Aug21° / 13°7312.1014.86.1
Sep17° / 10°569.9012.55.3
Oct12° / 5711010.13.1
Nov / 4610.50.981.0
Dec / 4910.92.86.80.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34654
44753
54852
64852
74852
85050
95050
105050
114951
124951
134852
144852
154852
164753
174753
184654
194555
204456
214456
224456
234357
244357
254258
264357
274357
284456
294456
304456
314555

Chance of precipitation in May

Any precipitation

Frederikssund gets around 55 mm of rain over 10.7 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 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
634
734
834
934
1034
1135
1235
1335
1436
1536
1636
1736
1836
1936
2036
2135
2235
2335
2435
2535
2635
2735
2834
2934
3034
3134

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
810000
99910
109910
119910
129820
139820
149820
159730
169730
179640
189640
199640
209550
219451
229361
239361
249361
259271
269271
279271
289271
299271
309181
319181

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 15 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
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light 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
3015light breeze
3115light breeze

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 4:39 AM to 3:45 AM, and sunset from 7:39 PM to 8:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:397:39
215.14:377:41
315.14:357:43
415.24:337:45
515.34:307:47
615.34:287:49
715.44:267:51
815.54:247:53
915.54:227:54
1015.64:207:56
1115.74:187:58
1215.74:168:00
1315.84:148:02
1415.94:128:04
1515.94:108:06
1616.04:088:08
1716.14:068:10
1816.14:058:11
1916.24:038:13
2016.24:018:15
2116.33:598:17
2216.33:588:19
2316.43:568:20
2416.53:558:22
2516.53:538:24
2616.63:528:25
2716.63:508:27
2816.73:498:28
2916.73:488:30
3016.73:478:31
3116.83:458:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.41 kWh/m².

For context, solar energy here swings from a low near 0.38 kWh/m² to a high of 5.75 kWh/m² in June across the year — May's 5.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Frederikssund?

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

4.8
Sightseeing
5th-best month of the year
0.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Frederikssund for sightseeing.

What to pack for Frederikssund in May

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

In May, Frederikssund sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Frederikssund 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 at the nearest coast (about 13 km away) is warmest in August at about 19°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°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Cool
Jul18Cool
Aug19Cool
Sep16Cool
Oct12Bracing
Nov8Bracing
Dec5Bracing

UV index in Frederikssund 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 Frederikssund peaks around July 11 at about 5 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 11UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Frederikssund?

Frederikssund sits at 55.8°N, 12.1°E, 17 m above sea level, in Denmark. The nearest listed city is Stenløse, 11 km away.

Topography around Frederikssund

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

Within 3 km, the terrain around Frederikssund has only modest variations in elevation — a maximum elevation change of 63 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 85 m; within 80 km, significant variations in elevation — a maximum elevation change of 273 m.

The land around Frederikssund is covered by water (25%) and grassland (24%) within 3 km, cropland (28%), water (28%) and grassland (23%) within 16 km, and water (52%) and cropland (23%) within 80 km.

3 km
63 m
16 km
85 m
80 km
273 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Stenløse 11 km · Hillerød 17 km · Lillerød 18 km · Allerød 18 km · Farum 19 km · Ballerup 22 km · Roskilde 22 km · Birkerød 22 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 Frederikssund (55.8396°, 12.069°, elevation 17 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).