Oslo weather in August
Oslo in August averages 17°C (62°F), 104 mm of rain and 6.4 hours of sun a day.
Of the twelve months in Oslo, August is the second warmest, the wettest and the fourth sunniest.
- Average temp
- 17°C (62°F)
13–21°C · 55–70°F
- Rainfall
- 104 mm
Showers likely
- Sunshine
- 6.4 h
hours per day
What is Oslo like in August?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Oslo in August?
A light rain jacket
About 104 mm falls this month — showers rather than washouts.
A layer for the evening
Evenings cool off noticeably once the sun is down.
August compared with July and September
August in Oslo is 1.1°C cooler than July and 18 mm wetter than it, which averages 18°C (64°F).
August in Oslo is 4.4°C warmer than September and 23 mm wetter than it, which averages 13°C (55°F).
Daylight in Oslo in August
On 15 August the sun is up for 15 hours 36 minutes in Oslo, rising about 05:32 and setting about 21:08 local time.
August ends 2 hours 35 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 3 hours 11 minutes short of June, the longest-lit month here.
Where to stay in Oslo
Dates are a starting point for August.
Travel guides for Oslo
What to read before you book.
Oslo weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -2°C / 28°F | 58 mm |
| February | -2°C / 29°F | 46 mm |
| March | 2°C / 35°F | 40 mm |
| April | 7°C / 44°F | 48 mm |
| May | 12°C / 53°F | 60 mm |
| June | 16°C / 60°F | 80 mm |
| July | 18°C / 64°F | 86 mm |
| August | 17°C / 62°F | 104 mm |
| September | 13°C / 55°F | 81 mm |
| October | 7°C / 44°F | 94 mm |
| November | 2°C / 36°F | 84 mm |
| December | -1°C / 29°F | 54 mm |
Similar weather in August
Other destinations whose August averages sit close to this one.
Check another month
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FAQs about Oslo in August
August climate averages for Oslo, 1991–2020.
Oslo averages 17°C (62°F) in August, ranging from about 13°C (55°F) at night to 21°C (70°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 104 mm falls across August, enough to need a light jacket but not enough to reshape a trip.
Yes. August averages 17°C (62°F) against 13°C (55°F) in September — 4.4°C warmer.
August is 1.1°C cooler than July, and 18 mm wetter.
Yes. August falls inside the most comfortable stretch of the year here, April to September, on temperature and rainfall together.
About 6.4 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 15 hours 36 minutes of daylight in mid-August, against 18 hours 47 minutes in June and 5 hours 57 minutes in December.
On 15 August, sunrise is about 05:32 and sunset about 21:08 local time. Both shift across the month — the month ends 2 hours 35 minutes shorter than it starts.
