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Trondheim in August: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Trondheim in August will be like? Take a look at our weather guide for Trondheim, based on historical data.
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August

Weather in Trondheim in August 2024

OK Weather
Mild
☁️
Cloudy
August could be a good time to visit Trondheim, as the weather is generally fine. The average high temperature is around +64°F, and there are typically 1 sunny days in August. However, expect about 13 rainy days, and total monthly rainfall of approximately 123 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+64°F
Avg. max. temperature
+36°F
Min.
+86°F
Max.
123 mm
Total precipitation
77%
Avg. humidity
1 m/s
Avg. wind
1 ☀️
Sunny Days
17 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Trondheim has OK weather in August.

Average temperature in Trondheim in August

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

The expected average maximum temperature in August is +63°F with a maximum of +73°F and a minimum of +45°F.

The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +55°F to +57°F.

Is Trondheim warm or cold in August?

Trondheim is typically mild in August.

Maximum temperatures go down compared to the previous month from +66°F to +64°F. The minimum temperature also goes down from +52°F to +50°F.

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

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

Climate in Trondheim in August

Trondheim weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+66°F+64°F+57°F
Min. temperature
+39°F+36°F+28°F
Max. temperature
+90°F+86°F+77°F
Rainfall
118 mm123 mm120 mm
Wind
1 m/s1 m/s1 m/s
Humidity
75%77%78%
Air pressure
1010 HPa1010 HPa1009 HPa
Sunny days
212
Cloudy days
161715
Rainy days
131313
Snowy days
000

August typically has worse weather conditions compared to July. It’s getting colder in August. From +66°F in the day, the average maximum temperature lowers to +64°F. Prepare for more rain. Average rainfall goes from 118 mm to 123 mm. Humidity rises from 75% to 77%. The average wind speed doesn’t change much during August, staying around 1 m/s. The days becoming less sunny, going from 2 sunny days in July to 1 in August.

September brings much the same weather, it remains ok.

Wind

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

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

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

Rain

Amount of rainfall in mm during August in Trondheim based on historical data.
Last Year
Historical Data
Typically, there is a 65% chance of rain on an average day in August, with total rainfall of approximately 131 mm. The maximum amount of rainfall per day is around 25 mm, which is moderate rain. August is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
August is one of the rainiest months in Trondheim, here is a comparison with other months, total mm:
Trondheim wettest month is August, where a typical day has a 42% chance of precipitation and 123 mm of rainfall per day. February, on the other hand, is the driest month with a mere 10% chance of precipitation and 39 mm of rainfall per day.

How was the weather last August in Trondheim?

This is the weather in Trondheim in August 2023:
1 August
🌧️
+56°F
2 August
☁️
+67°F
3 August
🌧️
+66°F
4 August
🌧️
+60°F
5 August
☁️
+61°F
6 August
🌧️
+53°F
7 August
☁️
+61°F
8 August
☁️
+65°F
9 August
🌧️
+61°F
10 August
☁️
+71°F
11 August
🌧️
+62°F
12 August
☁️
+62°F
13 August
☁️
+62°F
14 August
☁️
+70°F
15 August
☁️
+73°F
16 August
☁️
+71°F
17 August
🌧️
+59°F
18 August
☁️
+67°F
19 August
☁️
+73°F
20 August
☁️
+62°F
21 August
🌧️
+64°F
22 August
☁️
+60°F
23 August
☀️
+64°F
24 August
☀️
+71°F
25 August
☁️
+73°F
26 August
🌧️
+68°F
27 August
🌧️
+61°F
28 August
☁️
+55°F
29 August
☁️
+56°F
30 August
☁️
+57°F
31 August
☁️
+57°F
In August 2023 Trondheim had 2 sunny days, 19 cloudy days, and 10 rainy days. The average maximum temperature was +63°F, with an absolute maximum of +73°F and a minimum of +54°F. The average humidity was 82%, with a maximum of 98% and a minimum of 48%. 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 August?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1987 (+60°F) and the highest in 2002 (+76°F). The driest year was 2002 with only 42 mm of rainfall, and the wettest year was 2003 with 216 mm.

FAQ

Frequently asked questions about the weather in Trondheim in August:

Is August a good time to visit Trondheim?

It’s always a good time to visit Trondheim, but the weather is changeable in August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Trondheim in August?

August 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!

Is Trondheim rainy in August?

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

Is it sunny in Trondheim in August?

Usually, it’s not very sunny in Trondheim in August, 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, 2022.

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.