The weather in August in Harstad

It's cool to moderate in August in Harstad with an average temperature of 16°C. Temperatures this month range from a low of 14°C to a high of 19°C. At night, you can expect temperatures between 8°C and 13°C.

Looking for sun and warm weather? August isn’t a good month to be in Harstad. The temperatures are too low for a warm stay this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Harstad, Norway. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 31°C in 2018, Harstad reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 9°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 20°C.

Rainfall amount

In August, there is an average of 53 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in August for Harstad

Click on any day in August to get detailed info about the usual weather on that day in Harstad. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  Harstad New York
Average temperature 16°C 30°C
Max. temperature 19°C 31°C
Min. temperature 8°C -5°C
Total precipitation 53 mm 79 mm
Rainy days 9 days 13 days

Start of August

The month of August starts in Harstad with mild temps, averaging around 18°C during the day and nights around 12°C.

Mid August

By mid-August, daytime temps drop to around 16°C, with nights around 11°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of August

By the end of August, the average daytime temperature in Harstad is around 15°C, while nighttime temps are about 10°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable trips to Harstad

UV index

The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Harstad for all months and discover the best travel time

Curious about the weather in other parts of Norway? Check out the climate and weather for spots like Oslo, Lofoten, Vesterålen, or explore other destinations in Norway.

Temperature charts

These charts show the average temperatures in August in Harstad, Norway. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in Harstad

Temperature in August in Harstad over the years

Precipitation charts

These charts show the average amount of precipitation in August in Harstad, Norway. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in August in Harstad

Total precipitation in August in Harstad over the years

Daily UV index in August in Harstad

This chart shows the average daily UV index in August in Harstad, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in August in Harstad

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Average weather in Harstad by month

Click on a month below to see detailed weather info for Harstad. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.