Hillerød weather in January

In January, Hillerød sees average daytime highs of 3°C and overnight lows near 0°C, with 52 mm of precipitation across 11.5 wet days and about 7.4 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 3°C through the month. The sky is clear or mostly clear about 14% of the time in January, and the air most often feels dry.

Daylight stretches from about 6 h 48 min at the start of January to 8 h 06 min by month's end. Set against the rest of the year, January is Hillerød's 10th-clearest and 1st-windiest month. For the whole year in context, see Hillerød's year-round climate.

Daytime high
11th warmest
Overnight low
2nd coldest
Precipitation
52 mm
11.5 wet days
Daylight
7 h 18 min
8:41 AM – 3:59 PM
Cloud cover
75%
10th clearest
Wind
23 km/h
1st windiest
Solar energy
0.52 kWh/m²
Travel score
0.0
out of 10

Hillerød is city in Denmark.

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 3°C through the month.

A typical January day in Hillerød reaches about 3°C in the afternoon and slips back to 0°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 7°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
130
230
330
430
530
630
730
830
930
1030
1130
1230
1330
1430
1530
1630
1730
1830
1930
2030
2130
2230
2330
2430
2530
2630
2730
2830
2930
3030
3130

How January really feels in Hillerød

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.

Hillerød weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5211.547.40.0
Feb / -0°43104.19.20.0
Mar / 429.52.311.40.3
Apr10° / 409.30.313.82.3
May15° / 5610.70164.3
Jun18° / 12°7411.7017.25.5
Jul20° / 15°7212016.76.1
Aug20° / 15°8213.2014.85.9
Sep16° / 12°6711.3012.54.9
Oct12° / 7012.9010.12.8
Nov / 57120.780.9
Dec / 5812.42.86.80.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42674
52674
62575
72575
82575
92575
102575
112575
122476
132476
142476
152476
162476
172476
182476
192476
202575
212476
222476
232476
242575
252575
262575
272575
282575
292674
302575
312575

Chance of precipitation in January

Any precipitationSnow

Hillerød gets around 52 mm of rain and snow over 11.5 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 37% and peaks near 39% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13911
23911
33911
43911
53911
63911
73911
83911
93911
103911
113911
123811
133812
143712
153712
163612
173613
183513
193513
203514
213514
223414
233514
243514
253515
263515
273515
283515
293515
303515
313514

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

Across January, daily wind ranges from about 22 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 6 h 48 min at the start of January to 8 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over January. Sunrise moves from 8:50 AM to 8:20 AM, and sunset from 3:38 PM to 4:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.88:503:38
26.88:503:39
36.88:503:40
46.98:493:41
56.98:493:42
66.98:493:44
76.98:483:45
87.08:483:46
97.08:473:48
107.18:463:49
117.18:463:51
127.18:453:53
137.28:443:54
147.28:433:56
157.38:423:58
167.38:413:59
177.48:404:01
187.48:394:03
197.58:384:05
207.58:364:07
217.68:354:08
227.68:344:10
237.78:324:12
247.78:314:14
257.88:294:16
267.88:284:18
277.98:264:20
288.08:254:22
298.08:234:24
308.18:214:26
318.18:204:29

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.52 kWh/m².

For context, solar energy here swings from a low near 0.35 kWh/m² to a high of 5.72 kWh/m² in June across the year — January's 0.52 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.4Dim
20.4Dim
30.4Dim
40.4Dim
50.4Dim
60.4Dim
70.4Dim
80.4Dim
90.4Dim
100.4Dim
110.4Dim
120.5Dim
130.5Dim
140.5Dim
150.5Dim
160.5Dim
170.5Dim
180.5Dim
190.6Dim
200.6Dim
210.6Dim
220.6Dim
230.6Dim
240.6Dim
250.7Dim
260.7Dim
270.7Dim
280.7Dim
290.8Dim
300.8Dim
310.8Dim
Planning a trip in January

Is January a good time to visit Hillerød?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Hillerød.

What to pack for Hillerød in January

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

In January, Hillerød sees daytime highs around 3°C and nights near 0°C. Pack a warm layer and a heavy coat. Worth having: rain gear and a windbreaker. About 12 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Hillerød in January

The nearest coast averages about 3°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in August at about 18°C and coldest in February near 2°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr6Bracing
May10Bracing
Jun14Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov8Bracing
Dec5Bracing

UV index in Hillerød in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hillerød peaks around July 12 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Hillerød?

Hillerød sits at 55.9°N, 12.3°E, 29 m above sea level, in Denmark. The nearest listed city is Lillerød, 7.0 km away.

Topography around Hillerød

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

Within 3 km, the terrain around Hillerød has only modest variations in elevation — a maximum elevation change of 80 m around an average of 41 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, significant variations in elevation — a maximum elevation change of 286 m.

The land around Hillerød is covered by trees (47%), grassland (24%) and artificial surfaces (22%) within 3 km, trees (36%), grassland (27%) and cropland (21%) within 16 km, and water (47%) and cropland (23%) within 80 km.

3 km
80 m
16 km
110 m
80 km
286 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Lillerød 7.0 km · Allerød 7.0 km · Birkerød 12 km · Hørsholm 14 km · Farum 14 km · Frederikssund 17 km · Stenløse 19 km · Ballerup 22 km

Denmark travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / F / K
230 V · 50 Hz
Prices
≈ 92% of US
price level, 2025
GDP per capita
$76,970
2025
Happiness
7.5 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
3.7
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 611
Religion
Evangelical Lutheran 71%other/none/unspecified 24%Muslim 4%

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 Hillerød (55.9279°, 12.3008°, elevation 29 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).