The rugged landscape of the Norwegian fjords
This landscape is rated as the most beautiful in the world and it is something you need to experience at least once in your life.
Trondheim Weather in August
In Trondheim, August brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.
Rainfall in Trondheim in August
Climate statistics over the past 30 years suggest around 19 days of rain, with 114 mm (4.5 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Trondheim in August
Daytime highs in Trondheim in August reach 19°C (66°F), with nights around 10°C (50°F). August marks the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Trondheim in August
The area enjoys a moderate level of sunlight, with around 169 hours. It's a good balance between sunny and cloudy days.If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Trondheim.
Trondheim Temperature in August
Min Temperature
10°C (50°F)
Max Temperature
19°C (66°F)
Chance of Rain
63%
Precipitation
114 mm (4.5 in)
Rainy days
19 days
Humidity
79% *
Sunshine
169 hours *
Percentage Sunshine
*
* Data from: Trondheim, Norway (27 KM, 16 Miles).
Trondheim Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trondheim - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Trondheim typically stay consistent throughout August, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Trondheim in August
Browse day-by-day weather records for Trondheim spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Trondheim historical weather extremes in August
The extremes listed below come from historical weather data collected in Trondheim from 1976 through 2026.
- The warmest day in August was on August 19, 2002, with a maximum of 31°C (88°F).
- The coldest August day was on August 11, 2016, with a maximum of 8°C (46°F).
- Nighttime temperatures dropped to -1°C (30°F) on August 13, 1999, marking the coldest August night on record.
Best Places in Norway in August
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Trondheim in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Trondheim in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Trondheim 3-Day Forecast
More climate data for Trondheim
Temperature Rainfall Sunshine Humidity
See the full Trondheim climate overview or explore weather in Norway.
Popular in August
Where to go in August - average daytime high across popular destinations.
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