Oslo weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: May – August
What is the weather like in Oslo in July?
In July, Oslo is warm: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 18.1 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 99 mm in total. All in all, July is a good month for a holiday in Oslo.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 18 h 6 min04:20 – 22:26
- UV index
- 5 · moderateclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 13 km/haverage daily peak
- Cloud cover
- 62 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Oslo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %85 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Oslo in July: quick answers
Is Oslo hot in July?
Warm rather than hot: in July, daytime highs in Oslo average 21 °C and nights cool to about 14 °C.
Can you swim in Oslo in July?
Only if you don't mind cold water: in July the sea averages just 18.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Oslo in July?
Rain is frequent, with about 12 rainy days and 99 mm in total.
Oslo month by month
The whole year in OsloAll destinations: Norway
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)