Oslo
Norway
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Oslo, Norway

The scenic view of the Vigeland sculpture park in Oslo, Norway, at dusk
The scenic view of the Vigeland sculpture park in Oslo, Norway, at dusk
August, the last month of the summer, in Oslo, is another pleasant month, with average temperature varying between 11.3°C (52.3°F) and 20.1°C (68.2°F).

Temperature

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

Rainfall

In August, the rain falls for 8 days. Throughout August, 89mm (3.5") of precipitation is accumulated. Throughout the year, there are 77 rainfall days, and 763mm (30") of precipitation is accumulated.

Sea temperature

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

The average length of the day is 15.5h.

Sunshine

In August, the average sunshine in Oslo is 7h.

UV index

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 4 in August transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in August in Oslo?

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 many days does it rain in August in Oslo?

In Oslo, in August, during 8 rainfall days, 89mm (3.5") of precipitation is typically accumulated.

What is the month with the warmest sea water 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). 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).

What is the sea water temperature in August in Oslo?

In Oslo, the average seawater temperature in August 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).

What is the average length of the day in August in Oslo?

The average length of the day in August is 15.5h.

How many hours of sunshine does Oslo have in August?

The average sunshine in August is 7h.

What is the UV index reading in August in Oslo?

In August, the average daily maximum UV index in Oslo is 4. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
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).
Coldest months (with the lowest average low temperature) are January and February (-6.8°C).

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 lowest rainfall) is February (36mm).

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

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

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).

Average daylight in August / Average sunshine in August - Oslo, Norway
  • Average daylight in August: 15.5h

The month with the longest days is June (Average daylight: 18.7h).
The month with shortest days is December (Average daylight: 6.1h).

  • Average sunshine in August: 7h

The month with most sunshine is June (Average sunshine: 8.3h).
The month with least sunshine is December (Average sunshine: 1.1h).

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

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