Ås has a cool temperate oceanic climate (Köppen Cfb), with mild summers, cold winters, and precipitation spread through the year. Long-term climate data show an average annual temperature around 6-10°C, annual precipitation near 1150-1790 mm, and humidity around 77%, which is consistent with a moist, maritime climate in southeastern Norway. Current conditions of 19.06°C and overcast skies are within the normal warm-season range for Ås.
Spring
March - May0-12°C
Spring is cool and changeable, with temperatures rising steadily from near freezing in March to mild conditions in May. Rain and occasional late snow are possible early in the season, but daylight increases quickly.
Moderate rainfallSummer
June - August12-19°C
Summer is generally mild rather than hot, with average daytime highs typically in the mid-to-upper teens. Rain remains common, although there are also many bright days and long daylight hours.
Moderate rainfallAutumn
September - November3-15°C
Autumn cools quickly, with frequent rain and increasing cloud cover. By late autumn, frost becomes more common and the first snow can appear.
High rainfallWinter
December - February-7-5°C
Winter is cold but usually not extreme, with temperatures often hovering around or below freezing. Snow, frozen ground, and mixed precipitation occur regularly, especially in the colder months.
High rainfall
