2025 (Full Year)
Historical dataAverage temperatures and precipitation by season
Seasons based on meteorological calendar: Spring (Mar-May), Summer (Jun-Aug), Autumn (Sep-Nov), Winter (Dec-Feb)
Average temperatures and precipitation by month
Daily high, low, and average
Most notable conditions during this period
Load the same period from the previous 15 years.
Key findings from analysis for selected period
Average of 11.3°C but 153 cold days (-18.0°C low).
Oslo has moderate rainfall (35% of days on average).
The 3 most extreme of 16 notable days in this period:
Hottest day: 30.3°C
Coldest night: -18.0°C
Very cold night: -11.4°C
Average humidity of 78% indicates persistently moist air conditions. Heat sensation amplified during warm periods (11.3°C average temperature). Humidity varied significantly (32%-99% range).
Large humidity swings (32%-99%) for a year. Conditions ranged from dry to very humid.