July weather forecastOslo, Norway

July
Weather in July
July represents the pinnacle of summer, with temperatures peaking at an average of 21.5°C (70.7°F). Along with the climatic high, sea temperatures rise to their warmest, reaching 17.3°C (63.1°F), paving the way for swimming and other water sports in the Oslofjord. This warmth, paired with generous sunlight, attracts throngs of locals and tourists to the city's numerous beaches, parks, and outdoor eateries. This month certainly testifies to Oslo's vibrant yet relaxed summer lifestyle.Temperature
July, with its high-temperature average of 21.5°C (70.7°F) and a low-temperature average of 12.2°C (54°F), is the warmest month.Rainfall
In July, in Oslo, the rain falls for 7 days. Throughout July, 81mm (3.19") of precipitation is 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
In Oslo, in July, the average water temperature is 17.3°C (63.1°F).Note: Swimming is not a pleasurable activity for the majority in water at 17.3°C (63.1°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in July is 17h and 55min.On the first day of the month, sunrise is at 04:00 and sunset at 22:41. On the last day of July, sunrise is at 04:57 and sunset at 21:49 CEST.
Sunshine
In July, the average sunshine is 7.9h.UV index
The months with the highest UV index in Oslo, Norway, are June and July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during July leads to these instructions:
Guard yourself - Avoiding sunburn is suggested. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Oslo, Norway
- Average high temperature in July: 21.5°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 July: 12.2°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).
Average rainfall in July
Oslo, Norway
- Average rainfall in July: 81mm
The wettest month (with the highest rainfall) is September (90mm).
The driest month (with the least rainfall) is February (36mm).
Average rainfall days in July
Oslo, Norway
- Average rainfall days in July: 7 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).
Average sea temperature in July
Oslo, Norway
- Average sea temperature in July: 17.3°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 July /
Average sunshine in July
Oslo, Norway
- Average daylight in July: 17h and 54min
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 July: 7h and 54min
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).
Average UV index in July
Oslo, Norway
- Average UV index in July: 5
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).





