Hillerød weather in August

In August, Hillerød sees average daytime highs of 20°C and overnight lows near 15°C, with 82 mm of rain across 13.2 wet days and about 14.8 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 27% of the time in August, and the air most often feels comfortable.

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 Hillerød's 5th-clearest and 10th-windiest month. For the whole year in context, see Hillerød's year-round climate.

Daytime high
20°
1st warmest
Overnight low
15°
12th coldest
Rainfall
82 mm
13.2 wet days
Daylight
14 h 54 min
4:49 AM – 7:40 PM
Cloud cover
60%
5th clearest
Wind
18 km/h
10th windiest
Solar energy
4.37 kWh/m²
Travel score
5.9
out of 10

Hillerød is city 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 21°C in the first days to 19°C by the end.

A typical August day in Hillerød reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°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)
12115
22115
32115
42115
52115
62115
72115
82115
92115
102115
112115
122115
132115
142015
152015
162015
172015
182015
192015
202015
212015
222014
232014
241914
251914
261914
271914
281914
291914
301914
311814

How August really feels in Hillerød

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.

Hillerød weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5211.547.40.0
Feb / -0°43104.19.20.0
Mar / 429.52.311.40.3
Apr10° / 409.30.313.82.3
May15° / 5610.70164.3
Jun18° / 12°7411.7017.25.5
Jul20° / 15°7212016.76.1
Aug20° / 15°8213.2014.85.9
Sep16° / 12°6711.3012.54.9
Oct12° / 7012.9010.12.8
Nov / 57120.780.9
Dec / 5812.42.86.80.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24753
34753
44654
54753
64753
74654
84654
94753
104753
114654
124753
134654
144753
154654
164753
174852
184753
194852
204852
214753
224753
234654
244654
254654
264654
274456
284555
294456
304555
314555

Chance of precipitation in August

Any precipitation

Hillerød gets around 82 mm of rain over 13.2 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 42% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
238
338
438
539
639
739
840
940
1041
1141
1242
1342
1443
1543
1643
1744
1844
1944
2045
2145
2245
2345
2445
2545
2645
2745
2845
2944
3044
3143

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12850202
22850202
32950192
42950192
52951191
63051181
73150181
83150181
93250181
103249171
113349171
123449171
133448171
143548161
153647161
163647161
173747151
183846151
193946141
204045141
214144131
224244131
234443121
244542111
254741111
264940101
27513991
28533881
29553771
30563671
31593461

Wind in August

Winds average 18 km/h in August.

Across August, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light 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 4:20 AM to 5:19 AM, and sunset from 8:13 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.94:208:13
215.84:228:11
315.84:248:09
415.74:268:07
515.64:288:05
615.64:308:03
715.54:328:01
815.44:347:59
915.44:367:57
1015.34:377:54
1115.24:397:52
1215.14:417:50
1315.14:437:48
1415.04:457:45
1514.94:477:43
1614.94:497:40
1714.84:517:38
1814.74:537:36
1914.64:557:33
2014.64:577:31
2114.54:597:28
2214.45:017:26
2314.35:037:23
2414.35:057:21
2514.25:077:18
2614.15:097:15
2714.05:117:13
2813.95:137:10
2913.95:157:08
3013.85:177:05
3113.75:197:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.37 kWh/m².

For context, solar energy here swings from a low near 0.35 kWh/m² to a high of 5.72 kWh/m² in June across the year — August's 4.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Hillerød?

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

5.9
Sightseeing
2nd-best month of the year
3.1
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Hillerød for sightseeing.

What to pack for Hillerød in August

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

In August, Hillerød sees daytime highs around 20°C and nights near 15°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Hillerød in August

The nearest coast averages about 18°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 21 km away) 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
May10Bracing
Jun14Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov8Bracing
Dec5Bracing

UV index in Hillerød 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 Hillerød peaks around July 12 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 12UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Hillerød?

Hillerød sits at 55.9°N, 12.3°E, 29 m above sea level, in Denmark. The nearest listed city is Lillerød, 7.0 km away.

Topography around Hillerød

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

Within 3 km, the terrain around Hillerød has only modest variations in elevation — a maximum elevation change of 80 m around an average of 41 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, significant variations in elevation — a maximum elevation change of 286 m.

The land around Hillerød is covered by trees (47%), grassland (24%) and artificial surfaces (22%) within 3 km, trees (36%), grassland (27%) and cropland (21%) within 16 km, and water (47%) and cropland (23%) within 80 km.

3 km
80 m
16 km
110 m
80 km
286 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Lillerød 7.0 km · Allerød 7.0 km · Birkerød 12 km · Hørsholm 14 km · Farum 14 km · Frederikssund 17 km · Stenløse 19 km · Ballerup 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 Hillerød (55.9279°, 12.3008°, elevation 29 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).