Grimstad weather in January

In January, Grimstad sees average daytime highs of 3°C and overnight lows near -0°C, with 107 mm of precipitation across 14.4 wet days and about 6.8 hours of daylight. It is the 11th-warmest and 3rd-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 22% of the time in January, and the air most often feels dry.

Daylight stretches from about 6 h 12 min at the start of January to 7 h 42 min by month's end. Set against the rest of the year, January is Grimstad's 10th-clearest and 1st-windiest month. For the whole year in context, see Grimstad's year-round climate.

Daytime high
11th warmest
Overnight low
-0°
2nd coldest
Precipitation
107 mm
14.4 wet days
Daylight
6 h 48 min
9:12 AM – 3:58 PM
Cloud cover
70%
10th clearest
Wind
20 km/h
1st windiest
Solar energy
0.43 kWh/m²
Travel score
0.0
out of 10

Grimstad is settlement in Grimstad Municipality, Norway.

Density
2,552/km²
people per km²
Founded
1816

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 Grimstad reaches about 3°C in the afternoon and slips back to -0°C overnight — a 4°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)
140
240
340
440
540
640
740
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1930
2030
2130
2230
2330
2430
253-1
263-1
273-1
283-1
293-1
303-1
313-1

How January really feels in Grimstad

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.

Grimstad weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°10714.47.66.80.0
Feb / -1°7911.478.90.0
Mar / 7110.14.811.40.4
Apr10° / 589.91.3142.1
May14° / 6310016.44.2
Jun18° / 11°759.5017.85.8
Jul20° / 14°729.7017.26.4
Aug20° / 14°10112015.16.0
Sep16° / 11°10512.4012.54.6
Oct11° / 11914.10.39.92.5
Nov / 11514.82.47.50.8
Dec / 104144.26.20.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33367
43268
53268
63268
73268
83169
93169
103070
112971
122971
132872
142971
152971
162971
173070
183070
193070
203070
213268
223367
233367
243367
253466
263466
273466
283565
293466
303466
313367

Chance of precipitation in January

Any precipitationSnow

Grimstad gets around 107 mm of rain and snow over 14.4 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 47% and peaks near 50% on the wettest days, and about 8 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14720
24720
34721
44821
54821
64821
74821
84922
94922
104923
114923
125023
135024
145024
155025
164925
174926
184826
194826
204727
214727
224627
234527
244527
254428
264428
274328
284328
294327
304327
314327

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

Across January, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120breezy
220breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 6 h 12 min at the start of January to 7 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over January. Sunrise moves from 9:24 AM to 8:47 AM, and sunset from 3:34 PM to 4:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.29:243:34
26.29:233:35
36.29:233:36
46.39:233:38
56.39:223:39
66.39:213:41
76.49:213:42
86.49:203:44
96.49:193:45
106.59:183:47
116.59:173:49
126.69:163:50
136.69:153:52
146.79:143:54
156.79:133:56
166.89:123:58
176.89:114:00
186.99:094:02
196.99:084:04
207.09:064:06
217.19:054:08
227.19:034:10
237.29:024:13
247.29:004:15
257.38:584:17
267.48:564:19
277.58:554:22
287.58:534:24
297.68:514:26
307.78:494:29
317.78:474:31

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.43 kWh/m².

For context, solar energy here swings from a low near 0.28 kWh/m² to a high of 6.12 kWh/m² in June across the year — January's 0.43 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.3Dim
20.3Dim
30.3Dim
40.3Dim
50.3Dim
60.3Dim
70.3Dim
80.3Dim
90.3Dim
100.3Dim
110.3Dim
120.4Dim
130.4Dim
140.4Dim
150.4Dim
160.4Dim
170.4Dim
180.4Dim
190.5Dim
200.5Dim
210.5Dim
220.5Dim
230.5Dim
240.6Dim
250.6Dim
260.6Dim
270.6Dim
280.6Dim
290.7Dim
300.7Dim
310.7Dim
Planning a trip in January

Is January a good time to visit Grimstad?

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 Grimstad.

What to pack for Grimstad in January

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

In January, Grimstad sees daytime highs around 3°C and nights near -0°C. Pack a warm layer and rain gear. Worth having: a heavy coat and a windbreaker. About 14 days see rain.

a warm layerrain geara heavy coata windbreaker

Sea temperature near Grimstad in January

The nearest coast averages about 5°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 4°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
Jan5Bracing
Feb4Bracing
Mar4Bracing
Apr6Bracing
May10Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov9Bracing
Dec7Bracing

UV index in Grimstad 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 Grimstad peaks around August 10 at about 5 (moderate) — 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 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowAug 10UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun4Moderate
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Grimstad?

Grimstad sits at 58.3°N, 8.6°E, 9 m above sea level, in Norway. The nearest listed city is Arendal, 17 km away.

Topography around Grimstad

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

Within 3 km, the terrain around Grimstad has only modest variations in elevation — a maximum elevation change of 124 m around an average of 29 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 340 m; within 80 km, large variations in elevation — a maximum elevation change of 930 m.

The land around Grimstad is covered by trees (39%) and water (30%) within 3 km, water (51%) and trees (40%) within 16 km, and trees (56%) and water (37%) within 80 km.

3 km
124 m
16 km
340 m
80 km
930 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Arendal 17 km · Kristiansand 41 km · Porsgrunn 108 km · Skien 113 km · Larvik 115 km · Hjørring 127 km · Sandefjord 128 km · Skagen 136 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 Grimstad (58.3405°, 8.5934°, elevation 9 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).