Trondheim in August usually sees fair weather conditions, with an average daily high temperature of +18°C and roughly 1 sunny days. However, you should prepare for about 13 rainy days with an average precipitation of 123 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+18°C
Avg. max. temperature
+2°C
Min.
+30°C
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
Going from a maximum of +23°C during the day to a minimum of +7°C during the night, the temperature in August averages around +17°C.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +13°C to +14°C.
Is Trondheim warm or cold in August?
Trondheim is typically mild in August.
Maximum temperatures go down compared to the previous month from +19°C to +18°C. The minimum temperature also goes down from +11°C to +10°C.
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.
July
August
September
Avg. temperature
+19°C
+18°C
+14°C
Min. temperature
+4°C
+2°C
-2°C
Max. temperature
+32°C
+30°C
+25°C
Rainfall
118 mm
123 mm
120 mm
Wind
1 m/s
1 m/s
1 m/s
Humidity
75%
77%
78%
Air pressure
1010 HPa
1010 HPa
1009 HPa
Sunny days
2
1
2
Cloudy days
16
17
15
Rainy days
13
13
13
Snowy days
0
0
0
August typically has worse weather conditions compared to July.It’s getting colder in August. From +19°C in the day, the average maximum temperature lowers to +18°C.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 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 galoshes.
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
🌧️
+13°C
2 August
☁️
+20°C
3 August
🌧️
+19°C
4 August
🌧️
+15°C
5 August
☁️
+16°C
6 August
🌧️
+12°C
7 August
☁️
+16°C
8 August
☁️
+18°C
9 August
🌧️
+16°C
10 August
☁️
+22°C
11 August
🌧️
+17°C
12 August
☁️
+17°C
13 August
☁️
+16°C
14 August
☁️
+21°C
15 August
☁️
+23°C
16 August
☁️
+22°C
17 August
🌧️
+15°C
18 August
☁️
+20°C
19 August
☁️
+23°C
20 August
☁️
+16°C
21 August
🌧️
+18°C
22 August
☁️
+16°C
23 August
☀️
+18°C
24 August
☀️
+22°C
25 August
☁️
+23°C
26 August
🌧️
+20°C
27 August
🌧️
+16°C
28 August
☁️
+13°C
29 August
☁️
+14°C
30 August
☁️
+14°C
31 August
☁️
+14°C
In August 2023 Trondheim had 2 sunny days, 19 cloudy days, and 10 rainy days. The average maximum temperature was +17°C, with an absolute maximum of +23°C and a minimum of +12°C. 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 Years
This is how Trondheim climate have been changing during last 43 years period.
The climate in Trondheim in August has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+16°C) and the highest in 2002 (+25°C). 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.
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.