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Weather in Trondheim for May 2025

Your guide to Trondheim weather in May - trends and predictions
  • In general, the average temperature in Trondheim at the beginning of May is 11.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.4 °C by the end of May.

  • Trondheim sees moderate rainfall in May, averaging 8 rainy days.

  • Is May a good time to visit Trondheim? check out the best time to travel to Trondheim page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/3°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Trondheim in May average weather

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Temperatures trend during May in Trondheim

See the weather trend as well as the moving average line
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May weather day by day

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Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
10° /1° 1.5 mm 3
2 May Moderate rain at times
Moderate rain at times
11° /3° 2.1 mm 4
3 May Patchy rain possible
Patchy rain possible
11° /3° 0.4 mm 3
4 May Patchy rain possible
Patchy rain possible
11° /3° 0.2 mm 4
5 May Overcast
Overcast
13° /2° 0.7 mm 3
6 May Overcast
Overcast
12° /3° 0 mm 3
7 May Sunny
Sunny
12° /2° 2.7 mm 4
8 May Partly cloudy
Partly cloudy
12° /4° 2.7 mm 4
9 May Overcast
Overcast
12° /4° 2.7 mm 3
10 May Overcast
Overcast
13° /4° 0.1 mm 4
11 May Overcast
Overcast
12° /5° 1.7 mm 3
12 May Patchy rain possible
Patchy rain possible
15° /7° 0.4 mm 4
13 May Cloudy
Cloudy
18° /6° 0 mm 5
14 May Partly cloudy
Partly cloudy
19° /7° 0 mm 5
15 May Patchy rain possible
Patchy rain possible
17° /8° 0.8 mm 4
16 May Moderate or heavy rain shower
Moderate or heavy rain shower
16° /6° 4.3 mm 4
17 May Moderate rain at times
Moderate rain at times
14° /5° 3.4 mm 4
18 May Patchy rain possible
Patchy rain possible
16° /5° 1.1 mm 4
19 May Partly cloudy
Partly cloudy
13° /5° 1.6 mm 4
20 May Partly cloudy
Partly cloudy
17° /5° 0 mm 5
21 May Cloudy
Cloudy
18° /6° 0 mm 5
22 May Cloudy
Cloudy
22° /8° 0 mm 5
23 May Moderate or heavy rain shower
Moderate or heavy rain shower
16° /9° 3.1 mm 4
24 May Patchy rain possible
Patchy rain possible
16° /7° 1.7 mm 5
25 May Patchy rain possible
Patchy rain possible
16° /6° 6.7 mm 4
26 May Patchy rain possible
Patchy rain possible
18° /9° 5.6 mm 4
27 May Moderate rain at times
Moderate rain at times
18° /9° 6.8 mm 5
28 May Moderate rain at times
Moderate rain at times
12° /6° 4.6 mm 3
29 May Moderate or heavy rain shower
Moderate or heavy rain shower
15° /5° 5.2 mm 4
30 May Patchy rain possible
Patchy rain possible
17° /5° 0.9 mm 5
31 May Patchy rain possible
Patchy rain possible
12° /6° 1.3 mm 3
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Important Notice
Our weather forecast for Trondheim in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trondheim forecast closer to your planned date for the most up-to-date weather information.

Trondheim in May - FAQ

What are the expected maximum and minimum temperatures in Trondheim during May?
During May, expect a variety of temperatures with highs around 16° and lows near 3°, suitable for diverse activities and preferences.
How much rainfall should be expected in Trondheim during May?
Significant rainfall exceeding 123.1 mm is expected in Trondheim during May, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Trondheim during May?
The average wind speed in Trondheim during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Trondheim in May?

As you prepare for your trip to Trondheim in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Trondheim, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

May rainfall patterns in Trondheim

Explore the daily rainfall trends and prepare for Trondheims May weather 💧

UV exposure in Trondheim during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Trondheim?

Get accurate weather forecasts for Trondheim, located at latitude 63.43 and longitude 10.395. Stay updated with localized weather information tailored for Trondheim.

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