City break

Oslo weather in October

Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

22

Holiday weather in October

Poor

Best time to visit: May – August

Air temperature9°CNight 5°
Sea temperature12.0°Ccold
Sunshine4hrs / dayof 10.3 h daylight
Rainy days12days / month94 mm

What is the weather like in Oslo in October?

In October, Oslo is cold: daytime highs average 9 °C, and nights cool down to about 5 °C. The sea averages 12.0 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 94 mm in total. All in all, October is not an ideal month for a holiday in Oslo.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score642212
Day16°9°4°
Night10°5°1°
Sea16°12°9°
Sun6 h4 h2 h
Rain days101212

More details for October

Daylight
10 h 18 min07:53 – 18:12
UV index
1 · lowclear sky, noon (estimate)
Muggy days
0 daysdew point 18 °C or more
Wind
15 km/haverage daily peak
Cloud cover
72 %on average
Hot days
0 days30 °C or more
Snow days
1 day1 cm or more of fresh snow
Time zone
UTC+2Europe/Oslo

How the score comes together

  • Temperatureweight 50 %13 %
  • Sunshineweight 20 %8 %
  • Few rainy daysweight 30 %45 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • Warm jacket
  • Rain jacket or umbrella

Oslo in October: quick answers

Is Oslo hot in October?

No. In October, Oslo is cold: daytime highs average 9 °C and nights drop to about 5 °C.

Can you swim in Oslo in October?

Only if you don't mind cold water: in October the sea averages just 12.0 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Oslo in October?

Rain is frequent, with about 12 rainy days and 94 mm in total.

Oslo month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)