Frederikssund weather in August

In August, Frederikssund sees average daytime highs of 21°C and overnight lows near 13°C, with 73 mm of rain across 12.1 wet days and about 14.8 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 23% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 54 min at the start of August to 13 h 42 min by month's end. Set against the rest of the year, August is Frederikssund's 5th-clearest and 11th-windiest month. For the whole year in context, see Frederikssund's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
13°
12th coldest
Rainfall
73 mm
12.1 wet days
Daylight
14 h 48 min
4:51 AM – 7:41 PM
Cloud cover
63%
5th clearest
Wind
15 km/h
11th windiest
Solar energy
4.39 kWh/m²
Travel score
6.1
out of 10

Frederikssund is town in Denmark.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical August day in Frederikssund reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72214
82214
92214
102214
112213
122213
132213
142113
152113
162113
172113
182113
192113
202113
212113
222113
232013
242013
252013
262012
272012
282012
292012
301912
311912

How August really feels in Frederikssund

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34456
44456
54357
64258
74258
84258
94258
104258
114258
124159
134258
144357
154258
164258
174258
184258
194258
204258
214357
224258
234258
244258
254258
264060
274159
284159
294060
304060
314060

Chance of precipitation in August

Any precipitation

Frederikssund gets around 73 mm of rain over 12.1 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
338
438
538
638
739
839
939
1039
1139
1239
1339
1440
1539
1639
1739
1839
1939
2039
2139
2239
2339
2439
2539
2639
2739
2838
2938
3038
3138

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13846151
23846141
33846141
43946141
53946131
63946131
74046121
84046121
94146121
104246121
114245111
124345111
134344111
144444111
154543111
164642111
174642111
184741111
194840111
204939111
215039111
225038111
235237101
245336101
25553591
26563491
27593380
28613270
29623170
30643060
31662950

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light 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 August

DaylightNight

Daylight runs from about 15 h 54 min at the start of August to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over August. Sunrise moves from 4:22 AM to 5:20 AM, and sunset from 8:14 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.94:228:14
215.84:248:12
315.74:258:10
415.74:278:08
515.64:298:06
615.54:318:04
715.54:338:02
815.44:357:59
915.34:377:57
1015.34:397:55
1115.24:417:53
1215.14:437:50
1315.14:457:48
1415.04:477:46
1514.94:497:43
1614.84:517:41
1714.84:537:39
1814.74:557:36
1914.64:567:34
2014.54:587:31
2114.55:007:29
2214.45:027:26
2314.35:047:24
2414.25:067:21
2514.25:087:19
2614.15:107:16
2714.05:127:14
2813.95:147:11
2913.95:167:08
3013.85:187:06
3113.75:207:03

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.39 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 — August's 4.39 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.0Bright
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.7Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Frederikssund?

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

6.1
Sightseeing
2nd-best month of the year
3.8
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Frederikssund for sightseeing.

What to pack for Frederikssund in August

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

In August, Frederikssund sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Frederikssund in August

The nearest coast averages about 19°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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
August 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).