Moss weather in January

In January, Moss sees average daytime highs of 1°C and overnight lows near -4°C, with 68 mm of precipitation across 10.6 wet days and about 6.6 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 1°C through the month. The sky is clear or mostly clear about 21% of the time in January, and the air most often feels dry.

Daylight stretches from about 5 h 48 min at the start of January to 7 h 30 min by month's end. Set against the rest of the year, January is Moss's 10th-clearest and 1st-windiest month. For the whole year in context, see Moss's year-round climate.

Daytime high
12th warmest
Overnight low
-4°
2nd coldest
Precipitation
68 mm
10.6 wet days
Daylight
6 h 30 min
9:12 AM – 3:41 PM
Cloud cover
69%
10th clearest
Wind
12 km/h
1st windiest
Solar energy
0.38 kWh/m²
Travel score
0.0
out of 10

Moss is settlement in Moss Municipality, Norway.

Air quality
Good
PM2.5 8.2 µg/m³ · 2019
Density
11,136/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 1°C through the month.

A typical January day in Moss reaches about 1°C in the afternoon and slips back to -4°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -7°C and 6°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
10-4
20-4
31-4
41-4
51-4
61-4
71-4
81-4
91-4
101-4
111-4
121-4
131-4
141-4
151-4
161-4
171-4
181-4
191-4
201-4
211-4
220-4
230-4
240-5
250-5
260-5
270-5
280-5
290-5
300-5
310-5

How January really feels in Moss

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.

Moss weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°6810.67.66.60.0
Feb / -4°508.26.48.70.0
Mar / -2°488.14.911.30.5
Apr11° / 478.51.514.12.7
May16° / 6310.10.216.65.1
Jun20° / 11°7611018.16.0
Jul22° / 13°7710.7017.56.5
Aug21° / 13°8011.9015.36.1
Sep16° / 7810.1012.65.1
Oct10° / 8311.40.69.82.3
Nov / 8211.637.30.3
Dec / -3°6711.15.65.90.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53466
63466
73367
83367
93367
103367
113367
123367
133268
143268
153367
163367
173367
183367
193367
203466
213565
223565
233565
243664
253565
263466
273466
283565
293565
303565
313565

Chance of precipitation in January

Any precipitationSnow

Moss gets around 68 mm of rain and snow over 10.6 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 34% and peaks near 37% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13725
23725
33725
43725
53725
63725
73725
83625
93624
103624
113524
123524
133523
143423
153423
163423
173323
183323
193323
203223
213223
223224
233224
243225
253325
263326
273326
283326
293327
303327
313327

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

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012calm
2112calm
2212calm
2312calm
2412calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 5 h 48 min at the start of January to 7 h 30 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 3:16 PM to 4:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
15.89:253:16
25.99:253:17
35.99:253:18
45.99:243:20
56.09:233:21
66.09:233:23
76.09:223:24
86.19:213:26
96.19:203:28
106.29:193:30
116.29:183:31
126.39:173:33
136.39:163:35
146.49:153:37
156.49:133:39
166.59:123:41
176.59:113:44
186.69:093:46
196.79:073:48
206.79:063:50
216.89:043:52
226.99:033:55
236.99:013:57
247.08:593:59
257.18:574:02
267.18:554:04
277.28:534:06
287.38:514:09
297.48:494:11
307.48:474:14
317.58:454:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.38 kWh/m².

For context, solar energy here swings from a low near 0.21 kWh/m² to a high of 5.62 kWh/m² in June across the year — January's 0.38 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.2Dim
20.2Dim
30.2Dim
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
310.7Dim
Planning a trip in January

Is January a good time to visit Moss?

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
8th-best month of the year

January is a weaker month for outdoor sightseeing in Moss.

What to pack for Moss in January

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

In January, Moss sees daytime highs around 1°C and nights near -4°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 Moss 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 offshore 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°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Cool
Jul18Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Moss 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 Moss peaks around July 17 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near December 19 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 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Moss?

Moss sits at 59.4°N, 10.7°E, 17 m above sea level, in Norway. The nearest listed city is Horten, 10 km away.

Topography around Moss

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

Within 3 km, the terrain around Moss has only modest variations in elevation — a maximum elevation change of 145 m around an average of 34 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 304 m; within 80 km, large variations in elevation — a maximum elevation change of 891 m.

The land around Moss is covered by trees (39%), water (26%) and artificial surfaces (22%) within 3 km, water (44%) and trees (36%) within 16 km, and trees (63%) and water (24%) within 80 km.

3 km
145 m
16 km
304 m
80 km
891 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Horten 10 km · Tønsberg 23 km · Fredrikstad 29 km · Sarpsborg 31 km · Sandefjord 42 km · Drammen 43 km · Asker 46 km · Oslo 53 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 Moss (59.434°, 10.6577°, elevation 17 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).