IJmuiden weather in August

In August, IJmuiden sees average daytime highs of 19°C and overnight lows near 17°C, with 105 mm of rain across 13.8 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. 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 24 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is IJmuiden's 3rd-clearest and 10th-windiest month. For the whole year in context, see IJmuiden's year-round climate.

Daytime high
19°
1st warmest
Overnight low
17°
12th coldest
Rainfall
105 mm
13.8 wet days
Daylight
14 h 30 min
5:31 AM – 8:01 PM
Cloud cover
58%
3rd clearest
Wind
21 km/h
10th windiest
Solar energy
4.71 kWh/m²
Travel score
5.7
out of 10

IJmuiden is town in Velsen, Netherlands.

Air quality
Moderate
PM2.5 11.1 µg/m³ · 2019
Founded
1876

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical August day in IJmuiden reaches about 19°C in the afternoon and slips back to 17°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 22°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11917
21917
31917
41917
51917
61917
71917
81917
91917
101917
111917
121917
131917
141917
151917
161917
171917
181917
191917
201917
211917
221916
231916
241916
251916
261916
271916
281916
291816
301816
311816

How August really feels in IJmuiden

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.

IJmuiden weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8214.80.980.4
Feb / 6211.91.49.50.3
Mar / 5711.30.511.51.1
Apr10° / 439.3013.62.3
May13° / 11°5710.2015.53.8
Jun16° / 14°6311.1016.54.8
Jul18° / 16°8112.6016.15.7
Aug19° / 17°10513.8014.55.7
Sep17° / 15°10614012.44.9
Oct14° / 11°12015.4010.33.5
Nov10° / 10316.90.28.51.9
Dec / 99160.87.50.9

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 24% of August, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45545
55545
65446
75446
85347
95347
105347
115149
125149
135149
145149
155149
165050
175050
185050
194951
204951
214951
224951
234852
244852
254852
264951
274951
284951
294852
304852
314852

Chance of precipitation in August

Any precipitation

IJmuiden gets around 105 mm of rain over 13.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 45% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
238
338
438
538
639
739
840
941
1042
1142
1243
1344
1445
1545
1646
1747
1847
1948
2048
2148
2249
2349
2449
2549
2649
2749
2849
2949
3048
3148

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 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11946323
21946323
31945323
42045323
52045323
62045323
72144323
82144323
92244313
102243313
112343314
122343314
132343304
142442304
152442294
162443294
172543285
182543275
192643275
202643264
212743254
222843244
233043234
243143224
253343213
263443203
273643193
283742183
293942172
304041172
314241162

Wind in August

Winds average 21 km/h in August.

Across August, daily wind ranges from about 19 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920breezy
1020breezy
1120breezy
1220breezy
1320breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 24 min at the start of August to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over August. Sunrise moves from 5:06 AM to 5:56 AM, and sunset from 8:29 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.45:068:29
215.35:088:27
315.35:098:26
415.25:118:24
515.25:128:22
615.15:148:20
715.05:168:18
815.05:178:17
914.95:198:15
1014.95:218:13
1114.85:228:11
1214.75:248:09
1314.75:268:07
1414.65:278:05
1514.65:298:03
1614.55:318:01
1714.45:327:58
1814.45:347:56
1914.35:367:54
2014.25:387:52
2114.25:397:50
2214.15:417:48
2314.05:437:45
2414.05:447:43
2513.95:467:41
2613.85:487:39
2713.85:497:36
2813.75:517:34
2913.65:537:32
3013.65:557:29
3113.55:567:27

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.71 kWh/m².

For context, solar energy here swings from a low near 0.57 kWh/m² to a high of 5.79 kWh/m² in June across the year — August's 4.71 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.0Bright
304.0Moderate
313.9Moderate
Planning a trip in August

Is August a good time to visit IJmuiden?

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

5.7
Sightseeing
1st-best month of the year
2.5
Beach & pool
1st-best month of the year

August is a reasonable time to visit IJmuiden for sightseeing.

What to pack for IJmuiden in August

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

In August, IJmuiden sees daytime highs around 19°C and nights near 17°C. Worth packing: rain gear, sun protection and a windbreaker. About 14 days see rain.

rain gearsun protectiona windbreaker

Sea temperature near IJmuiden 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 18 km away) is warmest in August at about 19°C and coldest in February near 5°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan6Bracing
Feb5Bracing
Mar6Bracing
Apr8Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep17Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in IJmuiden in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in IJmuiden peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is IJmuiden?

IJmuiden sits at 52.5°N, 4.6°E, 11 m above sea level, in The Netherlands. The nearest listed city is Velsen-Zuid, 3.0 km away.

Topography around IJmuiden

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

Within 3 km, the terrain around IJmuiden has only modest variations in elevation — a maximum elevation change of 44 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, only modest variations in elevation — a maximum elevation change of 95 m.

The land around IJmuiden is covered by artificial surfaces (35%) and trees (33%) within 3 km, water (42%) and grassland (26%) within 16 km, and water (43%) and grassland (25%) within 80 km.

3 km
44 m
16 km
64 m
80 km
95 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Velsen-Zuid 3.0 km · Beverwijk 4.0 km · Velserbroek 5.0 km · Heemskerk 7.0 km · Haarlem 9.0 km · Assendelft 9.0 km · Castricum 11 km · Zandvoort 11 km

The Netherlands travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 84% of US
price level, 2025
GDP per capita
$73,684
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 624
Religion
none 54%Roman Catholic 20%Protestant 15%other 6%

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 IJmuiden (52.4603°, 4.6105°, elevation 11 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).