October weather forecast
Oslo, Norway

October sees a marked change in Oslo's weather as autumn progresses. The comfortably warm days of summer are replaced by crisp afternoons with a chill in the air. Although the weather promotes indoor activities, many embrace the change and venture outdoors to experience the mesmerizing autumn color spectacle. Known for its natural beauty, Oslo in October turns into a haven for photographers.

Temperature

October's onset brings a slight change in high-temperatures, falling from a moderate 15.1°C in September to a frosty 9.3°C. Nighttime temperature dips to a mean of 3.8°C during October.

Rainfall

In Oslo, in October, during 8 rainfall days, 84mm of precipitation is typically accumulated. In Oslo, during the entire year, the rain falls for 77 days and collects up to 763mm of precipitation.

Sea temperature

In Oslo, Norway, in October, the average water temperature is 11.8°C.
Note: Without suitable protection, venturing into 11.8°C waters cooler than 10°C can lead to pronounced cold shock and rapid breaths.

Daylight

The average length of the day in October in Oslo, Norway, is 10h and 8min.
On the first day of the month, sunrise is at 07:21 and sunset at 18:51 CEST. On the last day of October, sunrise is at 07:35 and sunset at 16:25 CET.
Note: On Sunday, 29. October 2023, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 31. March 2024, at 02:00; consequently, the time zone reverts from CET to CEST.

Sunshine

In October, the average sunshine in Oslo is 2.8h.

UV index

In Oslo, the average daily maximum UV index in October is 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, an average UV index of 1 transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. During bright days, sunglasses that offer UVA and UVB defense are recommended.