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Sem
Tønsberg Cathedral
Tønsberg Cathedral
Arnadal Church
Arnadal Church
Slagen Church
Slagen Church
Skoppum station
Skoppum station
Vestfold, Norway

Sem

Sem is a village in Vestfold, Norway, close to the sea. It has a population of about 2,776 (2025). The climate is classified as warm-summer humid continental (Köppen Dfb), with warm summers, cold winters and precipitation in every season.

Now9°C
Best timeJun–Aug
Population2,776
Local time19:56
59.28° N, 10.33° EElevation 21 mUTC+2 · Central European Summer Time
Postal codes3107, 3170–3171
The year in Semweather score
JanFebMarAprMayJunJulAugSepOctNovDec21October
October: high / low11° / 6°
Rain this month132mm
Sea this month12°
Best timeJun–Aug

Best: Jun–Aug. Warmth, sunshine and dry days, month by month.

Sem at a glance

Best time to visitJun–Aug

The months with the highest weather score

Warmest month21°C

Average high in July

Coolest month-3°C

Average low in January

Wettest monthAugust

104 mm of rain

Driest monthFebruary

57 mm of rain

Warmest sea18°C

August

Monuments nearby10+

within 13 km

Weather in Sem

Now and the next ten days. The 14 and 30-day outlooks are one click away.

14-day forecast
9°C

Cloudy · wind 8 km/h · humidity 99%

Today hour by hour
Today22 Oct12°7°17.6 mm
Fri23 Oct11°4°7.1 mm
Sat24 Oct10°5°10.7 mm
Sun25 Oct10°7°24.5 mm
Mon26 Oct14°7°
Tue27 Oct13°6°0.5 mm
Wed28 Oct13°11°18.1 mm
Thu29 Oct15°7°0.5 mm
Fri30 Oct11°3°
Sat31 Oct11°7°

When to go to Sem

Each month's weather score (warmth, sun, dry days) with its temperatures and rain.

Climate month by month
JanFebMarAprMayJunJulAugSepOctNovDec
Score172228305367666556211616
High1°2°5°10°15°19°21°21°16°11°6°3°
Low-3°-3°-1°3°7°11°14°14°10°6°2°-2°
Rain (mm)8357676067729010410113212284
Wet days151210101313161713151514
Sea4°3°3°6°11°15°18°18°15°12°9°6°

What's on in Sem

Concerts, football matches, the public holidays ahead and the town's festivals through the year.

Monuments and museums in Sem

All monuments

Outdoors around Sem

Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.

Things to do
Borre FamiliecampingCamp sites
0.8 km
Høyt Under Taket TønsbergClimbing
0.8 km
Nøtterøy golfklubbGolf courses
1.2 km
FeskjærSurf spots
1.6 km
Borre GolfbaneGolf courses
2.1 km
Nice view to the lakeViewpoints
2.5 km
Høgås alpinsenterSki area · 1 km of pistes · 2 lifts
26 km
Siljan skisenterSki area · 1 lifts
38 km

Nature around Sem

Nature in Norway

Wildlife in October

The birds and mammals of Norway seen most this month, compared with the rest of their year.

Fossil sites near this town

Fossil sites: 2 · 0 km

Fossils in Norway
Ordovician · 2

Formations around the town

Trilobites · 2Eobronteus

Towns and villages around Sem

Each with its own page: weather, climate and the best time to visit.

Sem from above

Postal codes

31073170–3171

Getting to Sem

Sandefjord Airport, TorpTRF
11 km
Oslo-Gardermoen International AirportOSL
110 km
Trollhättan-Vänersborg AirportTHN
158 km
TønsbergRailway station
4.6 km
StokkeRailway station
7 km
SandefjordRailway station
17 km
TenvikVestgården
12 km
VestgårdenEngø · Tangen · Tenvik
13 km

Places near Sem

Places with a climate like Sem

Matched month by month on temperature, rain and sunshine.

Frequently asked questions

When is the best time to visit Sem?
Based on 30-year climate normals, June, July and August offer the best balance of comfortable temperatures, low rainfall and sunshine in Sem.
What is the hottest month in Sem?
July is the warmest month, with average highs of 21°C and lows of 14°C.
What is the coldest month in Sem?
January is the coldest month, with average highs of 1°C and lows of -3°C.
What is the rainiest month in Sem?
August is the wettest month with about 104 mm of precipitation on 17 wet days.
How warm is the sea near Sem?
The sea is warmest in August at about 18°C and coolest in February at about 3°C.
What is the postal code of Sem?
Sem has 3 postal codes: 3107, 3170–3171.