Ridderkerk weather in July

In July, Ridderkerk sees average daytime highs of 22°C and overnight lows near 14°C, with 81 mm of rain across 13.6 wet days and about 16 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 20% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 16 h 24 min at the start of July to 15 h 24 min by month's end. Set against the rest of the year, July is Ridderkerk's 1st-clearest and 11th-windiest month. For the whole year in context, see Ridderkerk's year-round climate.

Daytime high
22°
1st warmest
Overnight low
14°
12th coldest
Rainfall
81 mm
13.6 wet days
Daylight
16 hours
4:46 AM – 8:48 PM
Cloud cover
64%
1st clearest
Wind
13 km/h
11th windiest
Solar energy
5.23 kWh/m²
Travel score
6.1
out of 10

Ridderkerk is town and municipality in South Holland, Netherlands.

Air quality
Moderate
PM2.5 12 µg/m³ · 2019
Density
1,785/km²
people per km²

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical July day in Ridderkerk 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 28°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12113
22113
32113
42113
52114
62114
72114
82214
92214
102214
112214
122214
132214
142214
152214
162214
172214
182214
192214
202214
212314
222314
232314
242315
252315
262315
272315
282315
292315
302315
312315

How July really feels in Ridderkerk

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ridderkerk weather by month

How July compares with the rest of the year at a glance. July 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 / 6212.118.10.4
Feb / 53111.39.60.7
Mar10° / 5411.50.711.52.1
Apr14° / 4910.9013.63.9
May17° / 6311.9015.45.3
Jun20° / 12°6611.2016.45.9
Jul22° / 14°8113.60166.1
Aug22° / 14°7812.9014.46.1
Sep19° / 12°6311.5012.45.6
Oct14° / 6512.1010.44.0
Nov10° / 6412.50.38.61.9
Dec / 7213.51.27.60.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
43961
53961
63961
73961
83961
93862
103862
113961
123961
133961
143961
153961
164159
174159
184258
194357
204357
214357
224456
234456
244456
254456
264456
274456
284555
294456
304456
314456

Chance of precipitation in July

Any precipitation

Ridderkerk gets around 81 mm of rain over 13.6 wet days in July, 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 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
242
343
443
544
644
744
844
944
1044
1143
1243
1343
1442
1542
1642
1741
1841
1941
2041
2142
2242
2342
2442
2542
2642
2742
2842
2942
3042
3141

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July 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 (%)
15236111
25136121
34937121
44838131
54738131
64639141
74539151
84439151
94340161
104340161
114240171
124140171
134041171
144041182
153941182
163842192
173642192
183543202
193444212
203244212
213145222
223045223
232946233
242846233
252747233
262647243
272648243
282548243
292548243
302449243
312449243

Wind in July

Winds average 13 km/h in July.

Across July, daily wind ranges from about 12 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
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 24 min at the start of July to 15 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over July. Sunrise moves from 4:33 AM to 5:07 AM, and sunset from 8:57 PM to 8:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.44:338:57
216.44:338:57
316.44:348:57
416.44:358:56
516.34:358:56
616.34:368:55
716.34:378:55
816.34:388:54
916.24:398:54
1016.24:408:53
1116.24:418:52
1216.24:428:52
1316.14:438:51
1416.14:448:50
1516.14:458:49
1616.04:468:48
1716.04:488:47
1816.04:498:46
1915.94:508:45
2015.94:518:44
2115.84:538:43
2215.84:548:41
2315.74:558:40
2415.74:578:39
2515.74:588:37
2615.65:008:36
2715.65:018:35
2815.55:028:33
2915.55:048:32
3015.45:058:30
3115.45:078:28

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.23 kWh/m².

For context, solar energy here swings from a low near 0.6 kWh/m² to a high of 5.39 kWh/m² in June across the year — July's 5.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in July

Is July a good time to visit Ridderkerk?

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

6.1
Sightseeing
1st-best month of the year
4.3
Beach & pool
1st-best month of the year

July is a reasonable time to visit Ridderkerk for sightseeing.

What to pack for Ridderkerk in July

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

In July, Ridderkerk sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Ridderkerk in July

The nearest coast averages about 18°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 32 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 Ridderkerk in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Ridderkerk peaks around July 14 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 14UV 6Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Ridderkerk?

Ridderkerk sits at 51.9°N, 4.6°E, 0 m above sea level, in The Netherlands. The nearest listed city is Kinderdijk, 2.0 km away.

Topography around Ridderkerk

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

Within 3 km, the terrain around Ridderkerk has only modest variations in elevation — a maximum elevation change of 26 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 40 m; within 80 km, only modest variations in elevation — a maximum elevation change of 106 m.

The land around Ridderkerk is covered by artificial surfaces (35%), grassland (24%) and trees (21%) within 3 km, grassland (36%) and artificial surfaces (26%) within 16 km, and grassland (29%) and water (26%) within 80 km.

3 km
26 m
16 km
40 m
80 km
106 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Kinderdijk 2.0 km · Groot IJsselmonde 4.0 km · Hendrik-Ido-Ambacht 4.0 km · Alblasserdam 4.0 km · Krimpen aan den IJssel 5.0 km · Barendrecht 5.0 km · Zwijndrecht 6.0 km · Capelle aan den IJssel 7.0 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 Ridderkerk (51.8725°, 4.6028°, elevation 0 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).