Maarssen weather in August

In August, Maarssen sees average daytime highs of 22°C and overnight lows near 14°C, with 81 mm of rain across 12.9 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 17% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 15 h 18 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is Maarssen's 2nd-clearest and 12th-windiest month. For the whole year in context, see Maarssen's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
14°
12th coldest
Rainfall
81 mm
12.9 wet days
Daylight
14 h 30 min
5:30 AM – 7:58 PM
Cloud cover
65%
2nd clearest
Wind
13 km/h
12th windiest
Solar energy
4.41 kWh/m²
Travel score
6.1
out of 10

Maarssen is village and former municipality in the province of Utrecht, the Netherlands.

Density
1,286/km²
people per km²

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 23°C in the first days to 20°C by the end.

A typical August day in Maarssen reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62214
72214
82214
92214
102214
112214
122214
132214
142214
152214
162214
172214
182214
192114
202114
212114
222114
232113
242113
252113
262113
272113
282013
292013
302013
312013

How August really feels in Maarssen

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.

Maarssen weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6312.4180.3
Feb / 5210.41.49.50.6
Mar10° / 5411.10.711.52.0
Apr14° / 5011.1013.63.7
May17° / 6311.4015.45.3
Jun20° / 12°6711.7016.45.8
Jul22° / 14°8213.40166.1
Aug22° / 14°8112.9014.46.1
Sep18° / 11°6911.9012.45.5
Oct14° / 6612.4010.43.8
Nov / 6112.50.38.51.8
Dec / 7012.91.17.60.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24258
34258
44258
54159
64159
74159
84159
94060
104159
114159
124060
134060
144060
154060
164060
173961
183961
193862
203862
213763
223763
233862
243862
253763
263763
273664
283664
293664
303565
313664

Chance of precipitation in August

Any precipitation

Maarssen gets around 81 mm of rain over 12.9 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 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
241
341
441
540
640
740
840
940
1041
1141
1242
1342
1443
1543
1643
1744
1844
1944
2044
2144
2244
2344
2444
2543
2643
2743
2843
2942
3042
3141

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 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12351233
22350243
32450243
42549243
52548243
62648243
72747243
82746243
92846243
102845243
112944243
122944243
133044233
143043233
153143233
163143224
173143224
183243214
193244214
203244204
213344194
223445183
233544173
243744163
253844153
264043143
274242132
284342132
294541122
304740122
314839111

Wind in August

Winds average 13 km/h in August, the calmest month.

Across August, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 18 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 108 minutes over August. Sunrise moves from 5:06 AM to 5:55 AM, and sunset from 8:26 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.35:068:26
215.35:078:24
315.25:098:23
415.25:108:21
515.15:128:19
615.15:148:17
715.05:158:16
815.05:178:14
914.95:188:12
1014.85:208:10
1114.85:228:08
1214.75:238:06
1314.75:258:04
1414.65:278:02
1514.55:288:00
1614.55:307:58
1714.45:327:56
1814.35:337:54
1914.35:357:52
2014.25:377:49
2114.15:387:47
2214.15:407:45
2314.05:427:43
2414.05:437:41
2513.95:457:38
2613.85:477:36
2713.85:487:34
2813.75:507:32
2913.65:527:29
3013.65:537:27
3113.55:557:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.41 kWh/m².

For context, solar energy here swings from a low near 0.57 kWh/m² to a high of 5.37 kWh/m² in June across the year — August's 4.41 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
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.0Bright
244.0Bright
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.7Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Maarssen?

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

6.1
Sightseeing
1st-best month of the year
4.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Maarssen for sightseeing.

What to pack for Maarssen in August

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

In August, Maarssen sees daytime highs around 22°C and nights near 14°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Maarssen 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 46 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
Apr9Bracing
May12Bracing
Jun15Bracing
Jul18Cool
Aug19Cool
Sep18Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in Maarssen 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 Maarssen peaks around July 15 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 15UV 6Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Maarssen?

Maarssen sits at 52.1°N, 5.0°E, 4 m above sea level, in The Netherlands. The nearest listed city is Leidsche Rijn, 5.0 km away.

Topography around Maarssen

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

Within 3 km, the terrain around Maarssen has only modest variations in elevation — a maximum elevation change of 30 m around an average of 0 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 140 m.

The land around Maarssen is covered by grassland (38%), artificial surfaces (27%) and trees (23%) within 3 km, grassland (50%) and trees (24%) within 16 km, and grassland (32%) and water (23%) within 80 km.

3 km
30 m
16 km
56 m
80 km
140 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Leidsche Rijn 5.0 km · De Meern 6.0 km · Utrecht 8.0 km · Bilthoven 11 km · Woerden 12 km · Nieuwegein 13 km · Hilversum 13 km · IJsselstein 13 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 Maarssen (52.1392°, 5.0417°, elevation 4 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).