Tønsberg weather in January

In January, Tønsberg sees average daytime highs of 2°C and overnight lows near -2°C, with 82 mm of precipitation across 12.5 wet days and about 6.6 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 2°C through the month. The sky is clear or mostly clear about 20% of the time in January, and the air most often feels dry.

Daylight stretches from about 5 h 54 min at the start of January to 7 h 36 min by month's end. Set against the rest of the year, January is Tønsberg's 10th-clearest and 2nd-windiest month. For the whole year in context, see Tønsberg's year-round climate.

Daytime high
12th warmest
Overnight low
-2°
2nd coldest
Precipitation
82 mm
12.5 wet days
Daylight
6 h 30 min
9:12 AM – 3:44 PM
Cloud cover
71%
10th clearest
Wind
17 km/h
2nd windiest
Solar energy
0.37 kWh/m²
Travel score
0.0
out of 10

Tønsberg is city in Vestfold county, Norway.

Air quality
Good
PM2.5 6.9 µg/m³ · 2019
Density
5,362/km²
people per km²

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 2°C through the month.

A typical January day in Tønsberg reaches about 2°C in the afternoon and slips back to -2°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -5°C and 6°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
12-2
22-2
32-2
42-2
52-2
62-2
72-2
82-2
92-2
102-2
112-2
122-2
132-2
142-2
152-2
162-2
172-2
182-2
192-2
201-2
211-2
221-2
231-2
241-2
251-2
261-2
271-2
281-2
291-2
301-2
311-2

How January really feels in Tønsberg

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.

Tønsberg weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°8212.57.86.60.0
Feb / -2°588.76.38.70.0
Mar / 568.64.511.30.2
Apr / 528.21.214.11.9
May14° / 669.50.216.64.2
Jun18° / 12°8210.4018.15.7
Jul20° / 15°8210.3017.56.3
Aug19° / 15°9112.4015.35.9
Sep16° / 11°10711.4012.64.6
Oct10° / 12012.90.79.82.2
Nov / 1151437.30.4
Dec / -1°8612.95.55.90.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22971
32971
42971
52971
62971
72971
82971
92971
102971
112971
122971
132971
143070
153169
163169
173268
183268
193268
203367
213367
223367
233466
243466
253466
263466
273466
283466
293466
303565
313565

Chance of precipitation in January

Any precipitationSnow

Tønsberg gets around 82 mm of rain and snow over 12.5 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 40% and peaks near 43% on the wettest days, and about 8 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14224
24325
34325
44325
54325
64325
74325
84324
94324
104224
114224
124224
134224
144124
154124
164024
174024
183924
193925
203825
213825
223826
233826
243727
253727
263728
273728
283628
293628
303628
313628

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 17 km/h in January.

Across January, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 5 h 54 min at the start of January to 7 h 36 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 9:25 AM to 8:45 AM, and sunset from 3:18 PM to 4:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
15.99:253:18
25.99:243:20
35.99:243:21
46.09:233:22
56.09:233:24
66.19:223:25
76.19:213:27
86.19:213:29
96.29:203:30
106.29:193:32
116.39:183:34
126.39:173:36
136.49:153:38
146.49:143:40
156.59:133:42
166.59:123:44
176.69:103:46
186.79:093:48
196.79:073:50
206.89:063:52
216.89:043:55
226.99:023:57
237.09:013:59
247.08:594:01
257.18:574:04
267.28:554:06
277.38:534:09
287.38:514:11
297.48:494:13
307.58:474:16
317.68:454:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.37 kWh/m².

For context, solar energy here swings from a low near 0.23 kWh/m² to a high of 5.75 kWh/m² in June across the year — January's 0.37 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.2Dim
20.3Dim
30.3Dim
40.3Dim
50.3Dim
60.3Dim
70.3Dim
80.3Dim
90.3Dim
100.3Dim
110.3Dim
120.3Dim
130.3Dim
140.3Dim
150.3Dim
160.4Dim
170.4Dim
180.4Dim
190.4Dim
200.4Dim
210.4Dim
220.5Dim
230.5Dim
240.5Dim
250.5Dim
260.5Dim
270.6Dim
280.6Dim
290.6Dim
300.6Dim
310.6Dim
Planning a trip in January

Is January a good time to visit Tønsberg?

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 Tønsberg.

What to pack for Tønsberg in January

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

In January, Tønsberg sees daytime highs around 2°C and nights near -2°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 13 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Tønsberg in January

The nearest coast averages about 4°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 16 km away) is warmest in August at about 18°C and coldest in February near 3°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
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Bracing
Jul18Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Tønsberg 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 Tønsberg peaks around July 17 at about 5 (moderate) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJul 17UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Tønsberg?

Tønsberg sits at 59.3°N, 10.4°E, 16 m above sea level, in Norway. The nearest listed city is Horten, 17 km away.

Topography around Tønsberg

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

Within 3 km, the terrain around Tønsberg has only modest variations in elevation — a maximum elevation change of 101 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, large variations in elevation — a maximum elevation change of 907 m.

The land around Tønsberg is covered by trees (32%) and artificial surfaces (20%) within 3 km, water (38%) and trees (33%) within 16 km, and trees (58%) and water (30%) within 80 km.

3 km
101 m
16 km
222 m
80 km
907 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Horten 17 km · Sandefjord 19 km · Moss 23 km · Fredrikstad 30 km · Larvik 32 km · Sarpsborg 40 km · Porsgrunn 45 km · Skien 46 km

Norway travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 91% of US
price level, 2025
GDP per capita
$94,594
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
2.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 613
Religion
Church of Norway 68%other Christian 4%Muslim 3%Roman Catholic 3%

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 Tønsberg (59.2675°, 10.4076°, elevation 16 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).