Julianadorp weather in May

In May, Julianadorp sees average daytime highs of 13°C and overnight lows near 11°C, with 50 mm of rain across 9.3 wet days and about 15.5 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 14°C by the end. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of May to 16 h 12 min by month's end. Set against the rest of the year, May is Julianadorp's 2nd-clearest and 8th-windiest month. For the whole year in context, see Julianadorp's year-round climate.

Daytime high
13°
6th warmest
Overnight low
11°
7th coldest
Rainfall
50 mm
9.3 wet days
Daylight
15 h 30 min
4:51 AM – 8:24 PM
Cloud cover
57%
2nd clearest
Wind
24 km/h
8th windiest
Solar energy
5.72 kWh/m²
Travel score
3.5
out of 10

Julianadorp is village in Den Helder, Netherlands.

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 11°C in the first days to 14°C by the end.

A typical May day in Julianadorp reaches about 13°C in the afternoon and slips back to 11°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1119
2119
3119
4119
51110
61110
71210
81210
91210
101210
111210
121210
131210
141210
151211
161311
171311
181311
191311
201311
211311
221311
231312
241312
251412
261412
271412
281412
291412
301412
311412

How May really feels in Julianadorp

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.

Julianadorp weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 73140.87.90.5
Feb / 5511.11.49.50.3
Mar / 4910.80.611.50.9
Apr / 388.2013.62.1
May13° / 11°509.3015.53.5
Jun15° / 14°5910.4016.64.6
Jul18° / 16°7111.5016.15.7
Aug19° / 17°9513.1014.55.7
Sep17° / 15°9613.7012.44.9
Oct14° / 12°10515.2010.33.4
Nov10° / 9316.60.28.42.0
Dec / 8815.60.77.41.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34654
44654
54753
64852
75050
85050
95050
105149
115248
125248
135347
145347
155347
165347
175248
185248
195149
205149
215050
225050
234951
244852
254852
264852
274753
284753
294654
304555
314456

Chance of precipitation in May

Any precipitation

Julianadorp gets around 50 mm of rain over 9.3 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
528
628
728
828
928
1028
1129
1229
1329
1429
1529
1629
1729
1830
1930
2030
2131
2231
2331
2431
2531
2631
2731
2831
2932
3032
3132

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
810000
910000
1010000
119910
129910
139910
149910
159910
169820
179820
189820
199730
209730
219730
229640
239451
249451
259361
269271
279181
2889101
2988111
3087121
3185141

Wind in May

Winds average 24 km/h in May.

Across May, daily wind ranges from about 23 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1824breezy
1924breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 42 min at the start of May to 16 h 12 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 5:18 AM to 4:31 AM, and sunset from 7:58 PM to 8:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:187:58
214.75:168:00
314.85:148:02
414.95:128:03
514.95:108:05
615.05:088:07
715.05:068:09
815.15:058:10
915.25:038:12
1015.25:018:14
1115.34:598:16
1215.34:578:17
1315.44:568:19
1415.44:548:20
1515.54:528:22
1615.54:518:24
1715.64:498:25
1815.74:488:27
1915.74:468:28
2015.84:458:30
2115.84:438:32
2215.94:428:33
2315.94:418:35
2415.94:398:36
2516.04:388:37
2616.04:378:39
2716.14:368:40
2816.14:358:42
2916.24:338:43
3016.24:328:44
3116.24:318:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.72 kWh/m².

For context, solar energy here swings from a low near 0.55 kWh/m² to a high of 5.97 kWh/m² in June across the year — May's 5.72 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.6Bright
95.6Bright
105.6Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Julianadorp?

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

3.5
Sightseeing
5th-best month of the year
0.0
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Julianadorp.

What to pack for Julianadorp in May

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

In May, Julianadorp sees daytime highs around 13°C and nights near 11°C. Worth packing: a warm layer, rain gear, sun protection and a windbreaker. About 9 days see rain.

a warm layerrain gearsun protectiona windbreaker

Sea temperature near Julianadorp in May

The nearest coast averages about 11°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore 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
Apr8Bracing
May11Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep17Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in Julianadorp 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 Julianadorp 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Julianadorp?

Julianadorp sits at 52.9°N, 4.7°E, 2 m above sea level, in The Netherlands. The nearest listed city is Den Helder, 8.0 km away.

BergenHeerhugowaardMedemblikAlkmaarHeilooHoorn

Topography around Julianadorp

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

Within 3 km, the terrain around Julianadorp has only modest variations in elevation — a maximum elevation change of 24 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 27 m; within 80 km, only modest variations in elevation — a maximum elevation change of 68 m.

The land around Julianadorp is covered by cropland (49%) and grassland (21%) within 3 km, water (57%) within 16 km, and water (57%) and grassland (21%) within 80 km.

3 km
24 m
16 km
27 m
80 km
68 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Den Helder 8.0 km · Schagen 12 km · Bergen 25 km · Heerhugowaard 25 km · Medemblik 28 km · Alkmaar 29 km · Heiloo 32 km · Hoorn 35 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 Julianadorp (52.89°, 4.7403°, elevation 2 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).