Holbæk weather in August

In August, Holbæk sees average daytime highs of 21°C and overnight lows near 13°C, with 72 mm of rain across 12.6 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 19°C by the end. The sky is clear or mostly clear about 24% 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 Holbæk's 5th-clearest and 11th-windiest month. For the whole year in context, see Holbæk's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
13°
12th coldest
Rainfall
72 mm
12.6 wet days
Daylight
14 h 48 min
4:52 AM – 7:42 PM
Cloud cover
62%
5th clearest
Wind
15 km/h
11th windiest
Solar energy
4.49 kWh/m²
Travel score
6.1
out of 10

Holbæk is town in Denmark.

Founded
1236

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 19°C by the end.

A typical August day in Holbæk 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
112214
122214
132114
142114
152114
162113
172113
182113
192113
202113
212113
222113
232013
242013
252013
262013
272013
282012
292012
301912
311912

How August really feels in Holbæk

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.

Holbæk 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°4711.23.87.40.0
Feb / -1°3893.89.20.0
Mar / 419.62.511.40.6
Apr11° / 409.30.313.82.8
May16° / 5311015.94.8
Jun19° / 11°6811.2017.15.8
Jul21° / 13°7111.5016.76.3
Aug21° / 13°7212.6014.86.1
Sep17° / 10°5610.5012.55.2
Oct12° / 5811.4010.13.0
Nov / 4710.70.981.0
Dec / 5011.22.86.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44555
54456
64456
74456
84456
94456
104555
114555
124456
134456
144456
154456
164555
174555
184357
194357
204357
214357
224258
234258
244258
254258
264258
274159
284159
294159
304060
314060

Chance of precipitation in August

Any precipitation

Holbæk gets around 72 mm of rain over 12.6 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 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
238
338
439
539
639
739
840
940
1040
1140
1240
1341
1441
1541
1641
1741
1841
1941
2041
2141
2241
2342
2442
2542
2641
2741
2841
2941
3040
3140

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 (%)
13946131
23946131
33946131
44046131
54046121
64146121
74146121
84245121
94245111
104345111
114344111
124444111
134544111
144543111
154642111
164642111
174741111
184841111
194840111
204939111
215039111
225038111
235237101
245336101
25563590
26573490
27593380
28613270
29633070
30652960
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 16 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
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light 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 4:24 AM to 5:22 AM, and sunset from 8:15 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.94:248:15
215.84:268:13
315.74:278:11
415.74:298:09
515.64:318:07
615.54:338:05
715.54:358:02
815.44:378:00
915.34:397:58
1015.34:417:56
1115.24:437:54
1215.14:457:51
1315.04:467:49
1415.04:487:47
1514.94:507:44
1614.84:527:42
1714.84:547:40
1814.74:567:37
1914.64:587:35
2014.55:007:32
2114.55:027:30
2214.45:047:27
2314.35:067:25
2414.25:087:22
2514.25:107:20
2614.15:127:17
2714.05:147:15
2813.95:167:12
2913.95:187:10
3013.85:207:07
3113.75:227:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.49 kWh/m².

For context, solar energy here swings from a low near 0.38 kWh/m² to a high of 5.88 kWh/m² in June across the year — August's 4.49 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Holbæk?

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
3.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Holbæk for sightseeing.

What to pack for Holbæk in August

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

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

rain gear

Sea temperature near Holbæk 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 20 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 Holbæk 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 Holbæk peaks around June 20 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 20UV 6Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul5High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Holbæk?

Holbæk sits at 55.7°N, 11.7°E, 15 m above sea level, in Denmark. The nearest listed city is Roskilde, 25 km away.

FrederikssundStenløseRingstedTaastrupSolrød StrandKalundborgGreve

Topography around Holbæk

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

Within 3 km, the terrain around Holbæk has only modest variations in elevation — a maximum elevation change of 54 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 120 m; within 80 km, only modest variations in elevation — a maximum elevation change of 197 m.

The land around Holbæk is covered by water (34%), grassland (22%) and artificial surfaces (21%) within 3 km, cropland (42%) and grassland (20%) within 16 km, and water (61%) within 80 km.

3 km
54 m
16 km
120 m
80 km
197 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Roskilde 25 km · Frederikssund 26 km · Stenløse 31 km · Ringsted 31 km · Taastrup 38 km · Solrød Strand 38 km · Kalundborg 39 km · Greve 40 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 Holbæk (55.7175°, 11.7128°, elevation 15 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).