Trondheim weather
Our guide to the weather in Trondheim during July
Trondheim, Norway is a picturesque city boasting stunning views and an array of activities to enjoy, particularly in July when the days are long and the weather is mild. 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 July.
What's the temperature like in Trondheim during July?
July is typically the warmest month in Trondheim. The temperature reaches around 19℃ during the daytime, falling away to 10℃ 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 rain in Trondheim during July?
On average, there will be 8 rainy days during the month, amounting to 107.6mm 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 July?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in July. With moderate air temperatures, any breeze will feel cool.
Weather in Trondheim
Our month-by-month guide to the weather and climate in Trondheim
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