Oslo Weather in May

Oslo in May averages 16°C (61°F) during the day and 5°C (41°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Oslo in May

The climate data from previous years indicates about 14 days of rain, averaging 81 mm (3.2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Oslo in May

Expect highs of 16°C (61°F) in Oslo in May, with nights dropping to around 5°C (41°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Oslo in May

Expect a lot of sunshine this month, with about 241 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Oslo in May

Average wind conditions reach 2 m/s (4 knots) in May. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

Average water temperature in May

With water temperatures around 8°C (46°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

For Oslo itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.