Monthly weather forecast and Climate
Oslo, Norway NO

Warmest month (with highest average high temperature) is July (70.7°F).
Month with lowest average high temperature is January (28.8°F).

Month with highest average low temperature is July (54°F).
Coldest months (with lowest average low temperature) are January and February (19.8°F).

Wettest months (with highest rainfall) are August and September (3.5").
Driest month (with lowest rainfall) is February (1.4").

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

Best months for swimming (with highest average sea temperature) are July and August (63°F).
Coldest months (with lowest average sea temperature) are February and March (39°F).

Month with longest days is June (Average daylight: 19).
Month with shortest days is December (Average daylight: 6).

Month with most sunshine is June (Average sunshine: 8.3).
Month with least sunshine is December (Average sunshine: 1.1).

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