Alkmaar weather in January

In January, Alkmaar sees average daytime highs of 6°C and overnight lows near 3°C, with 68 mm of precipitation across 13.4 wet days and about 8 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 30 min at the start of January to 8 h 36 min by month's end. Set against the rest of the year, January is Alkmaar's 10th-clearest and 1st-windiest month. For the whole year in context, see Alkmaar's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
68 mm
13.4 wet days
Daylight
7 h 54 min
8:53 AM – 4:47 PM
Cloud cover
74%
10th clearest
Wind
27 km/h
1st windiest
Solar energy
0.73 kWh/m²
Travel score
0.4
out of 10

Alkmaar is city in Noord-Holland, the 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 Alkmaar reaches about 6°C in the afternoon and slips back to 3°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 10°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)
164
264
364
464
564
664
764
864
964
1064
1164
1264
1364
1463
1563
1663
1763
1863
1963
2063
2163
2263
2363
2463
2563
2663
2763
2863
2963
3063
3163

How January really feels in Alkmaar

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.

Alkmaar 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 / 6813.40.980.4
Feb / 5210.81.49.50.4
Mar / 4910.50.611.51.3
Apr11° / 378.8013.62.7
May14° / 10°509.7015.54.2
Jun17° / 13°5510.3016.55.2
Jul19° / 15°6711.8016.15.9
Aug20° / 16°8512.8014.55.8
Sep17° / 14°8212.7012.45.1
Oct14° / 11°9114.4010.33.5
Nov10° / 7915.50.38.51.8
Dec / 7914.50.97.50.8

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 13% of January, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22872
32872
42872
52971
62971
72971
82971
92872
102773
112773
122773
132773
142773
152773
162773
172773
182575
192575
202476
212476
222476
232476
242476
252377
262476
272476
282476
292476
302476
312476

Chance of precipitation in January

Any precipitationSnow

Alkmaar gets around 68 mm of rain and snow over 13.4 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 43% and peaks near 47% 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 (%)
1473
2473
3473
4463
5462
6462
7452
8452
9452
10442
11442
12442
13442
14442
15442
16443
17433
18433
19433
20433
21433
22424
23424
24424
25414
26414
27404
28404
29395
30395
31385

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 27 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 25 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
127breezy
227breezy
327breezy
427breezy
527breezy
627breezy
727breezy
827breezy
927breezy
1027breezy
1127breezy
1227breezy
1327breezy
1427breezy
1527breezy
1627breezy
1726breezy
1826breezy
1926breezy
2026breezy
2126breezy
2226breezy
2326breezy
2426breezy
2526breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy
3125breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 30 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 66 minutes over January. Sunrise moves from 9:00 AM to 8:36 AM, and sunset from 4:28 PM to 5:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.59:004:28
27.59:004:29
37.59:004:30
47.59:004:32
57.68:594:33
67.68:594:34
77.68:594:35
87.68:584:36
97.78:584:38
107.78:574:39
117.78:574:40
127.88:564:42
137.88:554:43
147.88:554:44
157.98:544:46
167.98:534:47
177.98:524:49
188.08:514:51
198.08:504:52
208.18:494:54
218.18:484:55
228.28:474:57
238.28:464:59
248.38:455:01
258.38:445:02
268.48:435:04
278.48:415:06
288.58:405:08
298.58:395:09
308.68:375:11
318.68:365:13

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.73 kWh/m².

For context, solar energy here swings from a low near 0.57 kWh/m² to a high of 5.87 kWh/m² in June across the year — January's 0.73 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
110.7Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.8Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.9Dim
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 Alkmaar?

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

0.4
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 Alkmaar.

What to pack for Alkmaar in January

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

In January, Alkmaar sees daytime highs around 6°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat, rain gear and a windbreaker. About 13 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Alkmaar 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 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
Apr8Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep17Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in Alkmaar 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 Alkmaar 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 Alkmaar?

Alkmaar sits at 52.6°N, 4.7°E, 5 m above sea level, in The Netherlands. The nearest listed city is Bergen, 5.0 km away.

Topography around Alkmaar

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

Within 3 km, the terrain around Alkmaar has only modest variations in elevation — a maximum elevation change of 34 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 90 m.

The land around Alkmaar is covered by artificial surfaces (37%), grassland (30%) and trees (23%) within 3 km, grassland (45%) and water (20%) within 16 km, and water (46%) and grassland (25%) within 80 km.

3 km
34 m
16 km
65 m
80 km
90 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Bergen 5.0 km · Heiloo 5.0 km · Heerhugowaard 8.0 km · Castricum 11 km · Heemskerk 14 km · Beverwijk 18 km · Schagen 18 km · Assendelft 18 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 Alkmaar (52.6317°, 4.7486°, elevation 5 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).