Sunlight Hours in Trondheim

Trondheim receives an average of 12.2 hours of daylight per day. This varies throughout the year, from 4.2 hours on the shortest day to 20.2 hours on the longest day.

During winter solstice, the sun reaches a maximum altitude of only 3.1° above the horizon at solar noon in Trondheim. This creates shadows that are 18.3x the height of objects.

April through September offers the longest days and highest sun angles in the Northern Hemisphere.

South-facing gardens receive the most consistent sunlight year-round in Trondheim. Consider shadow patterns from neighboring structures when planning outdoor spaces.

In March, golden hour in Trondheim occurs in the morning from 06:42 - 07:42 and in the evening from 17:14 - 18:14. These times shift throughout the year as sunrise and sunset times change.

The UV index in Trondheim varies by season. During summer, UV can reach 8 (very high), while winter UV levels are much lower. Always check daily UV forecasts and wear SPF 30+ sunscreen during peak hours (10am-4pm).

Trondheim receives approximately 1,340 hours of sunshine annually. Solar is viable but evaluate costs carefully as payback periods may be longer. For optimal performance, orient panels south at a 63° tilt angle.

In March, sunrise in Trondheim is around 06:42 and sunset is around 18:14, giving 11.6 hours of daylight. The earliest sunrise occurs around the summer solstice (03:14) and latest sunset follows shortly after.

For optimal daylight and outdoor conditions in Trondheim, April through September offers the longest days and highest sun angles in the Northern Hemisphere. The shoulder seasons often offer a good balance of pleasant weather and fewer crowds.

Shadow length varies dramatically by season in Trondheim. At summer noon, shadows are only 0.8x the height of objects (sun at 50°). In winter, shadows extend to 18.3x object height (sun at just 3°).