Røros

Sør-Trøndelag Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Sør-Trøndelag, Norway in August.

Are you planning a trip a to Sør-Trøndelag, Norway in August and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Sør-Trøndelag in August

Sør-Trøndelag, Norway is a region in Norway. August in Sør-Trøndelag generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high. It's the height of summer.

Temperatures

The average highest temperatures fluctuate between mild in Oppdal at 15°C (59°F) to pleasant in Trondheim at 19°C (66°F). Nighttime temperatures generally drop to 10°C (50°F) in Trondheim and 6°C (43°F) in Oppdal.

To explore the conditions in Sør-Trøndelag, Norway in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Håvik with an average of 99 mm (3.9 in) to high rainfall in Haltdalen with 131 mm (5.2 in).

Average sunshine

Sunshine levels are moderate in most locations. Trondheim typically sees 169 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Sør-Trøndelag by month

Best Places to Visit in Sør-Trøndelag in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sør-Trøndelag.

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).

Popular Destinations in Sør-Trøndelag

What is the weather like in August for some of the most popular destinations in Sør-Trøndelag, Norway?

Temperature range in Sør-Trøndelag (August)

Precipitation variation in Sør-Trøndelag (August)

Trondheim

In August Trondheim generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
20°C (68°F)
19°C (66°F)
16°C (61°F)
Min temperature
11°C (52°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
228 hours
169 hours
132 hours
Monthly rainfall
100 mm (3.9 in)
114 mm (4.5 in)
120 mm (4.7 in)
Monthly rainy days
19 days
19 days
24 days
Weather conditions

Røros

In August Røros generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
17°C (63°F)
16°C (61°F)
11°C (52°F)
Min temperature
7°C (45°F)
6°C (43°F)
3°C (37°F)
Monthly rainfall
112 mm (4.4 in)
106 mm (4.2 in)
78 mm (3.1 in)
Monthly rainy days
20 days
19 days
20 days
Weather conditions

Selva

In August Selva generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
17°C (63°F)
17°C (63°F)
14°C (57°F)
Min temperature
11°C (52°F)
12°C (54°F)
9°C (48°F)
Monthly sun hours
228 hours
169 hours
132 hours
Monthly rainfall
100 mm (3.9 in)
128 mm (5 in)
174 mm (6.9 in)
Monthly rainy days
19 days
19 days
24 days
Weather conditions

Brekstad

In August Brekstad generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
16°C (61°F)
17°C (63°F)
14°C (57°F)
Min temperature
11°C (52°F)
12°C (54°F)
9°C (48°F)
Monthly sun hours
228 hours
169 hours
132 hours
Monthly rainfall
97 mm (3.8 in)
127 mm (5 in)
182 mm (7.2 in)
Monthly rainy days
19 days
19 days
24 days
Weather conditions

Oppdal

In August Oppdal generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
16°C (61°F)
15°C (59°F)
11°C (52°F)
Min temperature
7°C (45°F)
6°C (43°F)
2°C (36°F)
Monthly rainfall
133 mm (5.2 in)
126 mm (5 in)
90 mm (3.5 in)
Monthly rainy days
19 days
18 days
18 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Sør-Trøndelag, in Norway.

In our records: Norway August extremes

Notable August records observed across cities in Norway in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest August day in Norway reached 35°C (95°F) in Geilo on August 2, 1982.

Popular cities in August

Day & night temperatures, rainfall and average weather in Sør-Trøndelag in August.

City Weather Day temp Night temp Rainfall
Trondheim 19°C (66°F) 10°C (50°F) 114 mm (4.5 in)
Røros 16°C (61°F) 6°C (43°F) 106 mm (4.2 in)
Selva 17°C (63°F) 12°C (54°F) 128 mm (5 in)
Brekstad 17°C (63°F) 12°C (54°F) 127 mm (5 in)
Oppdal 15°C (59°F) 6°C (43°F) 126 mm (5 in)
Knarrlagsund 16°C (61°F) 12°C (54°F) 108 mm (4.3 in)

Sør-Trøndelag weather in August: frequently asked questions

What is the weather like in Sør-Trøndelag, Norway in August?

Sør-Trøndelag, Norway typically experiences tolerable weather in August, part of the summer season. Daytime highs in Trondheim average around 19°C (66°F), and temperatures drop to about 10°C (50°F) at night.

What is the average temperature in Sør-Trøndelag, Norway in August?

In Trondheim, the average daytime high in August is 19°C (66°F), while nighttime temperatures drop to around 10°C (50°F).

Does Sør-Trøndelag, Norway get a lot of rain in August?

Yes, August tends to be a wetter month in Sør-Trøndelag, Norway. Average rainfall in Trondheim sits around 114 mm (4.5 in).

Is August a Good Time to Visit Sør-Trøndelag, Norway?

In our opinion, August is a good time to visit Sør-Trøndelag, Norway with overall tolerable weather in Trondheim. However, the weather conditions may vary depending on your destination.

Generally speaking, July provides pleasant weather in Trondheim. On the other hand, the months of January, February, March, April, October, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Sør-Trøndelag.

Weather and climate has detailed information for every country in the world. Are you going to Norway? Get detailed historical weather averages for many cities in Norway.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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