August weather forecast
Oslo, Norway

The Vigeland sculpture park in Oslo, Norway, at dusk
The Vigeland sculpture park in Oslo, Norway, at dusk

Weather in August

The last month of the summer, August, is also an agreeable month in Oslo, Norway, with an average temperature ranging between min 11.3°C (52.3°F) and max 20.1°C (68.2°F).

Temperature

In Oslo, the average high-temperature in August is almost the same as in July - a still pleasant 20.1°C (68.2°F). The average low-temperature, in Oslo, is 11.3°C (52.3°F).

Rainfall

In Oslo, Norway, in August, during 8 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Oslo, Norway, during the entire year, the rain falls for 77 days and collects up to 763mm (30.04") of precipitation.

Sea temperature

August is the month with the warmest seawater in Oslo, with an average sea temperature of 17.9°C (64.2°F).
Note: Swimming in 17.9°C (64.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In Oslo, the average length of the day in August is 15h and 33min.
On the first day of August in Oslo, Norway, sunrise is at 04:58 and sunset at 21:48. On the last day of the month, sunrise is at 06:09 and sunset at 20:25 CEST.

Sunshine

The average sunshine in August in Oslo is 7h.

UV index

In Oslo, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 4 in August transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Oslo?

In August, the average high-temperature is 20.1°C (68.2°F), and the average low-temperature is 11.3°C (52.3°F).

How much does it rain in Oslo in August?

In August, in Oslo, the rain falls for 8 days. Throughout August, 89mm (3.5") of precipitation is accumulated.

What month is the sea warmest in Oslo?

The month with the warmest seawater in Oslo, Norway, is August, with an average sea temperature of 17.9°C (64.2°F).

What is the sea temperature in August in Oslo?

In Oslo, Norway, in August, the average water temperature is 17.9°C (64.2°F). For most, swimming in 17.9°C (64.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Oslo have in August?

In August, the average day length in Oslo is 15h and 33min.

When are sunrise and sunset in August in Oslo?

In August, on the first day of the month, sunrise is at 04:58 and sunset at 21:48. On the last day of the month, in Oslo, sunrise is at 06:09 and sunset at 20:25 CEST.

How many hours of sunshine does Oslo have in August?

In August, the average sunshine duration is 7h.

What is the UV index intensity in August in Oslo?

The average daily maximum UV index in August in Oslo is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
Oslo, Norway

Average temperature in August - Oslo, Norway
  • Average high temperature in August: 20.1°C

The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-1.8°C).

  • Average low temperature in August: 11.3°C

The month with the highest average low temperature is July (12.2°C).
The coldest months (with the lowest average low temperature) are January and February (-6.8°C).

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Average rainfall in August
Oslo, Norway

Average rainfall in August - Oslo, Norway
  • Average rainfall in August: 89mm

The wettest month (with the highest rainfall) is September (90mm).
The driest month (with the least rainfall) is February (36mm).

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Average rainfall days in August
Oslo, Norway

Average rainfall days in August - Oslo, Norway
  • Average rainfall days in August: 8 days

The months with the highest number of rainy days are August, October and November (8 days).
The month with the least rainy days is February (4 days).

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Average sea temperature in August
Oslo, Norway

Average sea temperature in August - Oslo, Norway
  • Average sea temperature in August: 17.9°C

The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is March (3°C).

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Average daylight in August /
Average sunshine in August
Oslo, Norway

Average daylight in August / Average sunshine in August - Oslo, Norway
  • Average daylight in August: 15h and 4min

The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in August: 7h and 0min

The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).

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Average UV index in August
Oslo, Norway

Average UV index in August - Oslo, Norway
  • Average UV index in August: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 0).

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