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Trondheim in June: Weather, Average temperature and Climate

Discover the weather for Trondheim in June and if it’s a good time to travel (based on historical data).
Check flight prices to Trondheim on Avionero:
June

Weather in Trondheim in June 2025

Good Weather
Mild
🌧️
Rainy
🌊
Cold water
Weather for Trondheim in June is typically good with an average maximum temperature of +61°F during the day, and approximately 1 sunny days monthly. Typically, there are about 22 rainy days with the total average precipitation that falls in June around 106 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+61°F
Avg. max. temperature
+36°F
Min.
+90°F
Max.
106 mm
Total precipitation
73%
Avg. humidity
1 m/s
Avg. wind
1 ☀️
Sunny Days
7 ⛅️
Cloudy
22 🌦
Rainy
Our opinion: Trondheim has good weather in June.

Average temperature in Trondheim in June

Here are the expected maximum, average and minimum temperatures in Trondheim for June based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in June is +66°F with a maximum of +84°F and a minimum of +36°F.

The average maximum temperature goes up 26% by the end of the month, compared with the beginning of the month, from +45°F to +57°F.

Is Trondheim warm or cold in June?

Trondheim is typically mild in June.

Maximum temperatures go up compared to the previous month from +55°F to +61°F. The minimum temperature also goes up from +41°F to +48°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

June is one of the warmest months in Trondheim, here is the comparison with other months:

Water temperature in Trondheim in June

Water in Trondheim in June is Cold. It varies from +48°F to +59°F, with an average of +54°F. This is almost similar to the air temperature, which averages +61°F.

In June, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Trondheim are reached in August, when the average sea temperature rises to +58°F. The coldest water temperatures are in March, with an average of +41°F.

Can you swim in Trondheim in June?

We would not recommend swimming in Trondheim in June, the water is very cold (+54°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Trondheim in June

Trondheim weather looks like this, on average, in June and the surrounding months.
MayJuneJuly
Avg. temperature
+55°F+61°F+66°F
Min. temperature
+23°F+36°F+39°F
Max. temperature
+82°F+90°F+90°F
Rainfall
83 mm106 mm118 mm
Wind
1 m/s1 m/s1 m/s
Avg. water temperature
+48°F+54°F+58°F
Humidity
70%73%76%
Air pressure
1013 HPa1012 HPa1011 HPa
Sunny days
211
Cloudy days
777
Rainy days
202223
Snowy days
200

June often has better weather than May. It’s getting warmer as June arrives. The average maximum temperature goes up from +55°F to +61°F during the day. Prepare for more rain. Average rainfall goes from 83 mm to 106 mm. Humidity rises from 70% to 73%. The average wind speed doesn’t change much during June, staying around 1 m/s. The days becoming less sunny, going from 2 sunny days in May to 1 in June.

Next month (July) brings a further decline in the weather.

Wind

Wind speed in Trondheim in June based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Trondheim is gradually decreasing during June, going from 1 m/s to 0 m/s over the course of the month.

Rain

Amount of rainfall in mm during June in Trondheim based on historical data.
Last Year
Historical Data
Total precipitation in June is about 68 mm, with a 50% chance of rain on a typical day. The maximum amount of rainfall per day is around 12 mm, which is considered light rain. June is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how June is compared with other months in the amount of precipitation, total mm:
Trondheim wettest month is August, where a typical day has a 74% chance of precipitation and 124 mm of rainfall per day. February, on the other hand, is the driest month with a mere 14% chance of precipitation and 38 mm of rainfall per day.

How was the weather last June in Trondheim?

This is the weather in Trondheim in June 2023:
1 June
🌧️
+44°F
2 June
☁️
+51°F
3 June
🌧️
+49°F
4 June
☁️
+54°F
5 June
☁️
+51°F
6 June
🌧️
+52°F
7 June
☁️
+52°F
8 June
☁️
+54°F
9 June
☁️
+71°F
10 June
☁️
+76°F
11 June
☁️
+75°F
12 June
☁️
+73°F
13 June
☁️
+69°F
14 June
☀️
+75°F
15 June
☀️
+76°F
16 June
☁️
+76°F
17 June
☁️
+73°F
18 June
☁️
+82°F
19 June
☁️
+79°F
20 June
☁️
+77°F
21 June
☁️
+81°F
22 June
🌧️
+66°F
23 June
🌧️
+59°F
24 June
☁️
+69°F
25 June
☀️
+78°F
26 June
☀️
+85°F
27 June
☁️
+69°F
28 June
☁️
+79°F
29 June
☁️
+60°F
30 June
🌧️
+57°F
In June 2023 Trondheim had 4 sunny days, 20 cloudy days, and 6 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +84°F and a minimum of +45°F. The average humidity was 71%, with a maximum of 97% and a minimum of 32%. The average wind speed was 1 m/s, with a maximum of 4 m/s and a minimum of 0 m/s.
Are you planning a trip in June?

Climate Change Over the Years

This is how Trondheim climate has changed over the last 43 years.

The climate in Trondheim in June has not changed that much over the last 43 years.

The average temperature was the lowest in 1981 (+45°F) and the highest in 2014 (+52°F). The driest year was 2002 with only 617 mm of rainfall, and the wettest year was 2007 with 1311 mm.

FAQ

Frequently asked questions about the weather in Trondheim in June:

Is June a good time to visit Trondheim?

June is a really good time to go to Trondheim. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Trondheim.

Can you sunbathe in Trondheim in June?

June has mild temperatures in Trondheim. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Trondheim in June?

Swimming in Trondheim in June is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Trondheim rainy in June?

Trondheim is often rainy in June. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Trondheim in June?

Usually, it’s not very sunny in Trondheim in June, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Norway

Check out the weather for other cities in Norway.

Monthly weather in Trondheim

Source of the data

For this page, we’ve looked at the typical weather in Trondheim, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.