



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.
Best: Jun–Aug. Warmth, sunshine and dry days, month by month.
Sem at a glance
The months with the highest weather score
Average high in July
Average low in January
104 mm of rain
57 mm of rain
August
within 13 km
Weather in Sem
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Cloudy · wind 8 km/h · humidity 99%
When to go to Sem
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 17 | 22 | 28 | 30 | 53 | 67 | 66 | 65 | 56 | 21 | 16 | 16 |
| High | 1° | 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) | 83 | 57 | 67 | 60 | 67 | 72 | 90 | 104 | 101 | 132 | 122 | 84 |
| Wet days | 15 | 12 | 10 | 10 | 13 | 13 | 16 | 17 | 13 | 15 | 15 | 14 |
| Sea | 4° | 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
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.
Nature around Sem
Wildlife in October
The birds and mammals of Norway seen most this month, compared with the rest of their year.
The sky over Sem
Fossil sites near this town
Fossil sites: 2 · 0 km
Formations around the town
Towns and villages around Sem
Each with its own page: weather, climate and the best time to visit.
Sem from above
Postal codes
Getting to Sem
Places near Sem
Places with a climate like Sem
Matched month by month on temperature, rain and sunshine.