Trondheim Weather in May

During May, Trondheim experiences moderate daytime temperatures of 13°C (55°F) and cooler nights around 4°C (39°F). Expect quite a bit of rainfall. Around 92 mm (3.6 in) is typical.

Rainfall in Trondheim in May

Historically, approximately 15 days this month are expected to have rain, averaging 92 mm (3.6 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Trondheim in May

Trondheim in May gets highs of 13°C (55°F) during the day and drops to 4°C (39°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Trondheim in May

The days are predominantly sunny, with an estimated total of around 239 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Trondheim in May

Average wind speeds reach 3 m/s (6 knots) in May, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in May

The water sits at 7°C (45°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

Should you favor a climate that's both dry and comfortably warm, July typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Norway, check out our Trondheim's climate page.

Trondheim Temperature in May

Min Temperature 4°C (39°F)  

Max Temperature 13°C (55°F)  

Water Temperature 7°C (45°F)  

Chance of Rain 48%  

Precipitation 92 mm (3.6 in)  

Rainy days 15 days  

Humidity 73%  

Windspeed 3 m/s (6 knots)  

Sunshine 239 hours  

Percentage Sunshine  

What to Wear in Trondheim in May

Pack for changing conditions in Trondheim in May. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 7°C (45°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Trondheim in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Norway, check out our Trondheim's climate page.

More climate data for Trondheim

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Trondheim climate overview or explore weather in Norway.