Østfold Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Østfold, Norway in August.

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Moss Halden Fredrikstad Vortungen

Thinking about venturing to Østfold, Norway this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Østfold in August

Østfold, Norway is a region in Norway. August in Østfold generally has pleasant temperatures, with precipitation levels ranging from moderate to high. During August, summer is in full swing.

Temperatures

You can expect pleasant maximum daytime temperatures of around 22°C (72°F) and nighttime temperatures around 13°C (55°F) in Moss.

To explore the conditions in Østfold, Norway in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Lervik with an average of 89 mm (3.5 in) to high rainfall in Vortungen with 102 mm (4 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Moss sees close to 210 hours of sunlight, making it great for sun lovers.

Explore Østfold by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Østfold in August

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

Conditions Temperatures Precipitation
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 Østfold

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

Temperature range in Østfold (August)

Precipitation variation in Østfold (August)

Moss

In August Moss generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
23°C (73°F)
22°C (72°F)
18°C (64°F)
Min temperature
14°C (57°F)
13°C (55°F)
9°C (48°F)
Monthly sun hours
238 hours
210 hours
149 hours
Monthly rainfall
84 mm (3.3 in)
89 mm (3.5 in)
93 mm (3.7 in)
Monthly rainy days
15 days
16 days
16 days
Weather conditions
perfect
perfect
pleasant
Climate in Moss →

Halden

In August Halden generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
22°C (72°F)
21°C (70°F)
17°C (63°F)
Min temperature
13°C (55°F)
12°C (54°F)
9°C (48°F)
Monthly rainfall
89 mm (3.5 in)
99 mm (3.9 in)
87 mm (3.4 in)
Monthly rainy days
15 days
16 days
16 days
Weather conditions
perfect
perfect
tolerable
Climate in Halden →

Fredrikstad

In August Fredrikstad generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
22°C (72°F)
22°C (72°F)
18°C (64°F)
Min temperature
14°C (57°F)
13°C (55°F)
10°C (50°F)
Monthly sun hours
238 hours
210 hours
149 hours
Monthly rainfall
81 mm (3.2 in)
91 mm (3.6 in)
93 mm (3.7 in)
Monthly rainy days
14 days
15 days
16 days
Weather conditions
perfect
perfect
pleasant
Climate in Fredrikstad →

Vortungen

In August Vortungen generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
22°C (72°F)
21°C (70°F)
17°C (63°F)
Min temperature
12°C (54°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
240 hours
209 hours
146 hours
Monthly rainfall
94 mm (3.7 in)
102 mm (4 in)
79 mm (3.1 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions
perfect
pleasant
tolerable
Climate in Vortungen →

Gressvik

In August Gressvik generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
22°C (72°F)
21°C (70°F)
18°C (64°F)
Min temperature
14°C (57°F)
14°C (57°F)
10°C (50°F)
Monthly sun hours
238 hours
210 hours
149 hours
Monthly rainfall
81 mm (3.2 in)
91 mm (3.6 in)
94 mm (3.7 in)
Monthly rainy days
14 days
15 days
16 days
Weather conditions
perfect
perfect
pleasant
Climate in Gressvik →

Is your destination not in the list? Have a look at all destinations in Østfold, 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 Østfold in August.

City Weather Day temp Night temp Rainfall
Moss 22°C (72°F) 13°C (55°F) 89 mm (3.5 in)
Halden 21°C (70°F) 12°C (54°F) 99 mm (3.9 in)
Fredrikstad 22°C (72°F) 13°C (55°F) 91 mm (3.6 in)
Vortungen 21°C (70°F) 11°C (52°F) 102 mm (4 in)
Gressvik 21°C (70°F) 14°C (57°F) 91 mm (3.6 in)
Sarpsborg 22°C (72°F) 12°C (54°F) 96 mm (3.8 in)

Østfold weather in August: frequently asked questions

What is the weather like in Østfold, Norway in August?

In August, Østfold, Norway generally has perfect weather conditions. Moss sees daytime temperatures near 22°C (72°F), with nights cooling to roughly 13°C (55°F).

What is the average temperature in Østfold, Norway in August?

Average temperatures in Østfold, Norway during August range from a nighttime low near 13°C (55°F) to a daytime high around 22°C (72°F) in Moss.

Does Østfold, Norway get a lot of rain in August?

Not particularly. Moss averages just 89 mm (3.5 in) of rain in August, making it a mostly dry month for Østfold, Norway.

Is August a Good Time to Visit Østfold, Norway?

We consider August to be one of the best times to travel to Østfold, Norway. Typically, the climate in Moss is perfect. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Østfold, Norway is in June, July and August with generally perfect weather in Moss. The weather in January, February, March, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Østfold.

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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