Julianadorp weather in January

In January, Julianadorp sees average daytime highs of 6°C and overnight lows near 4°C, with 73 mm of precipitation across 14 wet days and about 7.9 hours of daylight. It is the 11th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 6°C through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 24 min at the start of January to 8 h 36 min by month's end. Set against the rest of the year, January is Julianadorp's 10th-clearest and 1st-windiest month. For the whole year in context, see Julianadorp's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
73 mm
14 wet days
Daylight
7 h 54 min
8:54 AM – 4:46 PM
Cloud cover
74%
10th clearest
Wind
32 km/h
1st windiest
Solar energy
0.72 kWh/m²
Travel score
0.5
out of 10

Julianadorp is village in Den Helder, Netherlands.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 6°C through the month.

A typical January day in Julianadorp reaches about 6°C in the afternoon and slips back to 4°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 9°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

-5°10°151015202531
Avg high (°C)Avg low (°C)
175
275
375
475
575
675
775
875
975
1075
1175
1274
1364
1464
1564
1664
1764
1864
1964
2064
2164
2264
2364
2464
2564
2664
2764
2864
2964
3064
3164

How January really feels in Julianadorp

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Julianadorp weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 6th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42773
52773
62773
72872
82971
92971
102872
112872
122872
132872
142872
152971
162971
172872
182872
192773
202773
212674
222674
232674
242674
252674
262674
272674
282674
292674
302773
312773

Chance of precipitation in January

Any precipitationSnow

Julianadorp gets around 73 mm of rain and snow over 14 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 45% and peaks near 49% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1492
2493
3492
4492
5482
6482
7482
8472
9472
10462
11462
12452
13452
14452
15452
16442
17442
18442
19442
20443
21443
22433
23433
24433
25433
26424
27424
28414
29414
30414
31404

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 32 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 31 km/h on the calmest days to 33 km/h at its breeziest. It stays fairly steady from day to day.

010203040151015202531
Wind speed (km/h)Feels
133windy
233windy
333windy
433windy
533windy
633windy
733windy
833windy
933windy
1033windy
1133windy
1233windy
1333windy
1433windy
1533windy
1632windy
1732windy
1832windy
1932windy
2032windy
2132windy
2232windy
2331windy
2431windy
2531windy
2631windy
2731windy
2831windy
2931windy
3031windy
3131windy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 24 min at the start of January to 8 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over January. Sunrise moves from 9:01 AM to 8:37 AM, and sunset from 4:27 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.49:014:27
27.49:014:28
37.59:014:29
47.59:014:30
57.59:014:31
67.59:004:32
77.69:004:34
87.69:004:35
97.68:594:36
107.68:594:38
117.78:584:39
127.78:574:40
137.78:574:42
147.88:564:43
157.88:554:45
167.98:544:46
177.98:544:48
187.98:534:49
198.08:524:51
208.08:514:53
218.18:504:54
228.18:494:56
238.28:474:58
248.28:464:59
258.38:455:01
268.38:445:03
278.48:425:05
288.48:415:07
298.58:405:08
308.58:385:10
318.68:375:12

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.72 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 — January's 0.72 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.6Dim
30.6Dim
40.6Dim
50.6Dim
60.6Dim
70.6Dim
80.6Dim
90.6Dim
100.6Dim
110.6Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.9Dim
260.9Dim
270.9Dim
280.9Dim
291.0Dim
301.0Dim
311.0Dim
Planning a trip in January

Is January a good time to visit Julianadorp?

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

0.5
Sightseeing
11th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Julianadorp.

What to pack for Julianadorp in January

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

In January, Julianadorp sees daytime highs around 6°C and nights near 4°C. Pack a warm layer, rain gear and a windbreaker. Worth having: a heavy coat. About 14 days see rain.

a warm layerrain geara windbreakera heavy coat

Sea temperature near Julianadorp in January

The nearest coast averages about 6°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. 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
January 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).