The weather in May in Trondheim

It's cool in May in Trondheim with an average temperature of 13°C. Temperatures this month range from a low of 8°C to a high of 17°C. At night, you can expect temperatures between 2°C and 8°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Trondheim, Norway. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 27°C in 2018, Trondheim reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 2°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 16°C.

Water temperature

The water temperature at Trondheim is 11°C this month. This is too cold to swim without protective gear.

Precipitation and snowfall

In May, there is an average of 73 mm of precipitation, spread over 10 days. Of the total precipitation, about 1,5 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in May for Trondheim

Click on any day in May to get detailed info about the usual weather on that day in Trondheim. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Trondheim New York
Average temperature 13°C 22°C
Max. temperature 17°C 28°C
Min. temperature 2°C -5°C
Total precipitation 73 mm 105 mm
Rainy days 10 days 14 days
Total snowfall 1,5 cm 0 cm
Snowy days 1 day 0 days

Start of May

The month of May starts in Trondheim with cool temps, averaging around 12°C during the day and nights around 5°C.

Mid May

By mid-May, daytime temps rise to around 14°C, with nights around 7°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of May

By the end of May, the average daytime temperature in Trondheim is around 14°C, while nighttime temps are about 8°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

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UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Trondheim for all months and discover the best travel time

Curious about the weather in other parts of Norway? Check out the climate and weather for spots like Oslo, Lofoten, Vesterålen, or explore other destinations in Norway.

Temperature charts

These charts show the average temperatures in May in Trondheim, Norway. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Trondheim

Temperature in May in Trondheim over the years

Precipitation charts

These charts show the average amount of precipitation in May in Trondheim, Norway. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Trondheim

Total precipitation in May in Trondheim over the years

Daily Snowfall in May in Trondheim

Snowfall in May in Trondheim per year

Daily UV index in May in Trondheim

This chart shows the average daily UV index in May in Trondheim, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in May in Trondheim

The weather in May in Trondheim is rated 3 out of 5 stars by 1 visitor. Have you been to Trondheim? Share your weather experience to help other visitors.

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Weather experience:Okay StarStarStar

Rain and sun alternated frequently, the temperature was 10-15 degrees Celsius. The weather was good for a nature walk, but not for a picnic.— This text is automatically translated to English

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Average weather in Trondheim by month

Click on a month below to see detailed weather info for Trondheim. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.