What May feels like in Trondheim
May is late spring in Trondheim. Daytime feels cool and fresh rather than cold. Evenings bring a clear drop in temperature, and nights are cold. Damp air makes the cold feel rawer than the numbers alone suggest.
Rain in Trondheim in May
May is persistently wet here: some rain falls on about every other day. A rainy day brings about 4.9 mm (0.2 in) on average — steady rain rather than a passing shower. That is lighter than the city's yearly norm of about 6.2 mm per rainy day. It is among the three driest months of the year.
Daylight and sunshine in May
On 15 May the sun rises at about 4:14 am and sets around 10:15 pm local time, giving 18 h 2 min of daylight. Days are getting longer: 3 h 10 min more daylight than in mid-April. The sun is out for roughly 65% of those daylight hours, so there are plenty of bright spells.
How May compares to the rest of the year
May is the 5th warmest month of the year in Trondheim. Afternoons run 5.2°C (9.4°F) warmer than in April, with about the same rain. June continues the upward trend. The next month's average high: 16.3°C (61.3°F).
Who May suits
- Sightseeing: a good fit — daytime temperatures are fine for walking around.
- Parks & outdoor: less ideal — too cool to sit outside for long.
- Beach: less ideal — the sea air is too cool.
Tips for visiting Trondheim in May
Versatile Layers
Days are noticeably warmer than nights — layers you can add or remove.
Rain Protection
A compact umbrella and a light waterproof jacket.
Warm Layers
Insulated layers and warm shoes for the cold hours.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Trondheim in May?
It feels cool: typical highs are 13°C (55.4°F), with lows near 4.7°C (40.5°F).
Does it rain a lot in Trondheim in May?
It does: about 15 rainy days bring roughly 73 mm, so plan some indoor options.
What should I wear in Trondheim in May?
Based on the averages: versatile layers, rain protection, warm layers and sunglasses. Add a layer for after dark.
Is May or June better for visiting Trondheim?
May, narrowly: it ranks #1 of 12 among Trondheim's months, against #3 for the other. June is warmer and has more rainy days.
