Oslo weather in October

October in Oslo: cold, rainy, with clean air — a good time to visit.

#7 of 12 months in Oslo · #527 of 604 destinations to visit in October · comfort 61/100 (tier C)

Updated June 2026 · climate normals from ERA5 reanalysis

Oslo climate normals — October

Daytime high10°C / 49°F🧥 cold
Nighttime low5°C / 42°F
Feels like (high)7°C / 45°F
Rainfall118 mm / 4.6 in🌧 rainy
Rainy days14 days
Humidity85%💦 very humid
Dew point5°C / 41°F
Sunshine4.2 h/day
Daylight10.1 h
Wind15 km/h / 9 mph
Snowfall4.5 cm / 1.8 in
Air quality (US AQI)29🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

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Oslo in October — FAQ

Is October a good time to visit Oslo?
October in Oslo: cold, rainy, with clean air — a good time to visit. It ranks #7 of 12 months for Oslo on SeasonMap's comfort score (61/100).
What is the weather like in Oslo in October?
In October, Oslo averages a daily high of 9.6°C and a low of 5.4°C, with about 118 mm of rain over roughly 14.2 rainy days.
What is the air quality in Oslo in October?
Oslo has a mean US Air Quality Index of about 29 in October.
Does it snow in Oslo in October?
Oslo sees roughly 4.5 cm of snowfall in October.

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