's-Gravenzande weather in May

In May, 's-Gravenzande sees average daytime highs of 16°C and overnight lows near 10°C, with 57 mm of rain across 11.2 wet days and about 15.4 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of May to 16 h 06 min by month's end. Set against the rest of the year, May is 's-Gravenzande's 3rd-clearest and 7th-windiest month. For the whole year in context, see 's-Gravenzande's year-round climate.

Daytime high
16°
5th warmest
Overnight low
10°
8th coldest
Rainfall
57 mm
11.2 wet days
Daylight
15 h 24 min
4:57 AM – 8:22 PM
Cloud cover
63%
3rd clearest
Wind
16 km/h
7th windiest
Solar energy
5.42 kWh/m²
Travel score
4.9
out of 10

's-Gravenzande is town and former municipality in the Dutch province of South Holland.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 17°C by the end.

A typical May day in 's-Gravenzande reaches about 16°C in the afternoon and slips back to 10°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1158
2158
3158
4158
5158
6158
7159
8159
9159
10169
11169
12169
13169
14169
15169
161610
171610
181610
191610
201610
211710
221710
231710
241710
251711
261711
271711
281711
291711
301711
311811

How May really feels in 's-Gravenzande

Once humidity and wind are folded in, May 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

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

's-Gravenzande weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6412.40.88.10.5
Feb / 5111.31.49.60.6
Mar / 5111.30.611.51.8
Apr13° / 4410.2013.63.4
May16° / 10°5711.2015.44.9
Jun19° / 12°5911.1016.45.7
Jul21° / 15°7412.80166.1
Aug21° / 15°7913.1014.46.0
Sep18° / 12°7412.2012.45.4
Oct14° / 7713.4010.43.8
Nov10° / 7314.10.38.61.9
Dec / 7514.10.87.60.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
44060
54258
64258
74258
84258
94357
104456
114357
124357
134357
144357
154357
164357
174258
184258
194159
204159
214159
224159
234060
244060
254060
263961
273961
283961
293862
303862
313862

Chance of precipitation in May

Any precipitation

's-Gravenzande gets around 57 mm of rain over 11.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
437
537
637
736
836
936
1036
1136
1236
1336
1436
1536
1636
1736
1836
1936
2036
2136
2237
2337
2437
2537
2637
2737
2837
2938
3038
3139

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49820
59820
69820
79730
89730
99730
109730
119640
129640
139550
149550
159550
169460
179460
189370
199370
209181
219091
229091
2389101
2488111
2587121
2686131
2783152
2882162
2981172
3080182
3178193

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
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
1117light breeze
1217light breeze
1316light 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 May

DaylightNight

Daylight runs from about 14 h 36 min at the start of May to 16 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 5:23 AM to 4:38 AM, and sunset from 7:58 PM to 8:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:237:58
214.65:218:00
314.75:198:01
414.85:178:03
514.85:168:05
614.95:148:06
714.95:128:08
815.05:108:10
915.05:088:11
1015.15:078:13
1115.25:058:15
1215.25:038:16
1315.35:018:18
1415.35:008:19
1515.44:588:21
1615.44:578:22
1715.54:558:24
1815.54:548:25
1915.64:528:27
2015.64:518:28
2115.74:508:30
2215.74:488:31
2315.84:478:33
2415.84:468:34
2515.94:458:36
2615.94:438:37
2715.94:428:38
2816.04:418:40
2916.04:408:41
3016.04:398:42
3116.14:388:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.42 kWh/m².

For context, solar energy here swings from a low near 0.6 kWh/m² to a high of 5.67 kWh/m² in June across the year — May's 5.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit 's-Gravenzande?

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

4.9
Sightseeing
5th-best month of the year
0.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit 's-Gravenzande for sightseeing.

What to pack for 's-Gravenzande in May

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

In May, 's-Gravenzande sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near 's-Gravenzande in May

The nearest coast averages about 12°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in August at about 19°C and coldest in February near 6°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
Feb6Bracing
Mar6Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep18Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in 's-Gravenzande in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 's-Gravenzande peaks around June 21 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 21UV 6Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is 's-Gravenzande?

's-Gravenzande sits at 52.0°N, 4.2°E, 3 m above sea level, in The Netherlands. The nearest listed city is Naaldwijk, 3.0 km away.

Topography around 's-Gravenzande

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of 's-Gravenzande.

Within 3 km, the terrain around 's-Gravenzande has only modest variations in elevation — a maximum elevation change of 23 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 48 m; within 80 km, only modest variations in elevation — a maximum elevation change of 78 m.

The land around 's-Gravenzande is covered by artificial surfaces (54%) within 3 km, water (45%) and artificial surfaces (22%) within 16 km, and water (38%) and grassland (25%) within 80 km.

3 km
23 m
16 km
48 m
80 km
78 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Naaldwijk 3.0 km · Maassluis 10 km · Rijswijk 12 km · The Hague 12 km · Delft 13 km · Scheveningen 14 km · Ypenburg 15 km · Voorburg 16 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 's-Gravenzande (52.0017°, 4.1653°, elevation 3 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).