Raseborg weather in January

In January, Raseborg sees average daytime highs of -1°C and overnight lows near -5°C, with 51 mm of precipitation across 10.9 wet days and about 6.4 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about -0°C in the first days to -2°C by the end. The sky is clear or mostly clear about 11% of the time in January, and the air most often feels dry.

Daylight stretches from about 5 h 42 min at the start of January to 7 h 24 min by month's end. Set against the rest of the year, January is Raseborg's 11th-clearest and 3rd-windiest month. For the whole year in context, see Raseborg's year-round climate.

Daytime high
-1°
11th warmest
Overnight low
-5°
2nd coldest
Precipitation
51 mm
10.9 wet days
Daylight
6 h 18 min
9:25 AM – 3:46 PM
Cloud cover
81%
11th clearest
Wind
18 km/h
3rd windiest
Solar energy
0.31 kWh/m²
Travel score
0.0
out of 10

Raseborg is town in the region of Uusimaa in Finland.

Density
22/km²
people per km²
Founded
2009

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about -0°C in the first days to -2°C by the end.

A typical January day in Raseborg reaches about -1°C in the afternoon and slips back to -5°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -8°C and 4°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C warmer than February.

-20°-15°-10°-5°151015202531
Avg high (°C)Avg low (°C)
10-4
20-4
30-4
40-4
50-4
60-4
70-4
80-4
90-4
100-4
110-4
120-5
130-5
14-1-5
15-1-5
16-1-5
17-1-5
18-1-5
19-1-5
20-1-5
21-1-5
22-1-5
23-1-6
24-1-6
25-2-6
26-2-6
27-2-6
28-2-6
29-2-6
30-2-6
31-2-6

How January really feels in Raseborg

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
31 feel bitter (≤ -10°C)

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

Raseborg weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -5°5110.98.96.40.0
Feb-2° / -6°4097.98.60.0
Mar / -4°378.15.711.30.0
Apr / 348.31.914.11.1
May13° / 378.10.116.74.0
Jun18° / 10°539.4018.35.7
Jul21° / 13°579.5017.76.6
Aug20° / 13°6611.4015.46.1
Sep15° / 5310.1012.64.5
Oct / 6510.90.59.81.8
Nov / 63123.87.20.1
Dec / -2°5912.875.70.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42278
52278
62179
72179
82179
92080
102080
112080
122080
131882
141882
151882
161882
171882
181882
191783
201783
211882
221882
231882
241981
251882
261882
271882
281882
291882
301882
311981

Chance of precipitation in January

Any precipitationSnow

Raseborg gets around 51 mm of rain and snow over 10.9 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 36% and peaks near 41% on the wettest days, and about 9 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14128
24028
34028
44028
54028
64028
74028
84028
93928
103929
113929
123929
133829
143829
153729
163629
173629
183529
193429
203329
213329
223229
233230
243230
253231
263231
273232
283332
293332
303332
313332

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 18 km/h in January.

Across January, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 5 h 42 min at the start of January to 7 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 102 minutes over January. Sunrise moves from 9:40 AM to 8:57 AM, and sunset from 3:19 PM to 4:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
15.79:403:19
25.79:393:21
35.79:393:22
45.89:383:23
55.89:373:25
65.89:373:27
75.99:363:28
85.99:353:30
96.09:343:32
106.09:333:34
116.19:323:35
126.19:313:37
136.29:293:39
146.29:283:42
156.39:273:44
166.39:253:46
176.49:243:48
186.59:223:50
196.59:213:52
206.69:193:55
216.79:173:57
226.79:153:59
236.89:144:02
246.99:124:04
256.99:104:07
267.09:084:09
277.19:064:12
287.29:044:14
297.39:024:17
307.39:004:19
317.48:574:22

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.31 kWh/m².

For context, solar energy here swings from a low near 0.17 kWh/m² to a high of 5.95 kWh/m² in June across the year — January's 0.31 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.2Dim
20.2Dim
30.2Dim
40.2Dim
50.2Dim
60.2Dim
70.2Dim
80.2Dim
90.2Dim
100.2Dim
110.3Dim
120.3Dim
130.3Dim
140.3Dim
150.3Dim
160.3Dim
170.3Dim
180.3Dim
190.3Dim
200.3Dim
210.4Dim
220.4Dim
230.4Dim
240.4Dim
250.4Dim
260.5Dim
270.5Dim
280.5Dim
290.5Dim
300.5Dim
310.6Dim
Planning a trip in January

Is January a good time to visit Raseborg?

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

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
6th-best month of the year

January is a weaker month for outdoor sightseeing in Raseborg.

What to pack for Raseborg in January

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

In January, Raseborg sees daytime highs around -1°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Raseborg 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 offshore is warmest in August at about 17°C and coldest in March near 1°C.

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

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar1Bracing
Apr2Bracing
May6Bracing
Jun11Bracing
Jul16Cool
Aug17Cool
Sep15Bracing
Oct11Bracing
Nov8Bracing
Dec5Bracing

UV index in Raseborg 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 Raseborg peaks around June 17 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 17UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Raseborg?

Raseborg sits at 60.0°N, 23.4°E, 19 m above sea level, in Finland. The nearest listed city is Lohja, 46 km away.

VihtiVäståbolandOlari

Topography around Raseborg

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

Within 3 km, the terrain around Raseborg has only modest variations in elevation — a maximum elevation change of 53 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 90 m; within 80 km, significant variations in elevation — a maximum elevation change of 286 m.

The land around Raseborg is covered by trees (46%) and water (34%) within 3 km, trees (57%) and water (28%) within 16 km, and water (53%) and trees (36%) within 80 km.

3 km
53 m
16 km
90 m
80 km
286 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Lohja 46 km · Salo 48 km · Kirkkonummi 58 km · Vihti 69 km · Espoonlahti 70 km · Espoo 72 km · Väståboland 73 km · Olari 75 km

Finland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$56,149
2025
Happiness
7.8 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 603
Religion
Lutheran 67%none 31%other 2%Greek Orthodox 1%

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 Raseborg (59.9774°, 23.4397°, elevation 19 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).