Trondheim weather
Our guide to the weather in Trondheim during May
Trondheim offers a unique blend of culture, nature and history, making it an ideal destination for British tourists looking to explore Norway in May. We've looked at the most up-to-date weather data for Trondheim, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Trondheim weather in May.
What's the temperature like in Trondheim during May?
The temperature reaches around 12℃ during the daytime in May, falling away to 4℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it snow in Trondheim during May?
Possibly. There's a chance of snow during May but not as much as you might think. Check the local forecast before you leave home so that you can pack appropriate footwear and clothing.
Does it rain in Trondheim during May?
On average, there will be 8 rainy days during the month, amounting to 84.0mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Trondheim during May?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in May. With cool air temperatures, any breeze will feel cold.
Weather in Trondheim
Our month-by-month guide to the weather and climate in Trondheim
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