When is the best time to visit Oslo?
The best time to visit Oslo is between April and September, the most comfortable stretch of the year on these averages.
Temperatures peak in July at around 18°C (64°F). August is the wettest month, with about 104 mm of rain. Outside April–September the numbers move but the year has no single wet or dry season.
Part of Norway weather.
Oslo weather by month
TemperatureRainfall
Average temperature and rainfall, month by month
Every figure below is a 1991–2020 climate normal for Oslo, in °C and °F. Open a month for what to expect and what to pack.
| 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 |
Where to stay in Oslo
Dates are a starting point for April.
Travel guides for Oslo
What to read before you book.
Check another month
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FAQs about Oslo weather
Climate averages for Oslo, 1991–2020.
The best time to visit Oslo is between April and September, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 18°C.
August is the wettest month, with about 104 mm of rain.
January is the coolest month, averaging -2°C (28°F) against 18°C (64°F) in July.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what each month is usually like, which is what you want when booking ahead. For today or the coming week, check a live forecast.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
