Winds S at 20 to 30 mph. The climate is relatively cold here this month, but it is tolerable by dressing hot. Forecast - Oslo. This is true even for the driest month. Still, Norway has a lot of weather. High 92F. Winters are relatively moderate and rainy with little snow or frost. Sunny. Newmarket Holidays: Top offers on European holidays. The range of average daytime temperatures are around 9℃ and 21℃. Either way, it is recommended to check the exact weather forecast for Oslo before arriving, as the weather forecast becomes more accurate closer to the checked date. Today, Sunny and a gentle breeze.

According to Köppen and Geiger, this climate is classified as Dfb. 28 May 2020 at 02:00-03:00: Partly cloudy, Temperature 11, 0 mm, Light breeze, 2 m/s from north-northeast Sunny.

And as the weather gets warmer and warmer, so does the people.

Sunny, The average minimum temperature (usually the minimum temperature is noted during the night) in Oslo in May is 5.0°C (41°F).

Weather warnings issued. Storms may contain strong gusty winds. To get the accurate Oslo weather in May 2020, check the Oslo 14 days weather forecast just before May 2020 comes. Gusty winds with scattered afternoon thunderstorms. The average maximum temperature lies around 15.0°C (59°F). According to legend, the name Norway comes from the old norse word Norðrvegr, which means “the way north” – a name given to the long and craggy coast because it was largely ice-free in wintertime. The amount of rain in May is normal with an average of 53mm (2.1in). The weather is worst than the previous month since in april there is an average of 1.9in of rainfall over 10 days. The cold season lasts for 3.8 months, from November 17 to March 10, with an average daily high temperature below 37°F. When you travel to Oslo in May you can expect: usually rain, exceptionally snow, rarely fog, sometimes thunderstorm and expect fresh weather.
Its spring time in May and Norwegians are exuberant as they look forward to celebrating the National Day among other events and festivals.

Day by day forecast. As soon as summer gets a firm grip on Norway, usually in late May or early June, you’ll see the locals out and about, enjoying the sun after a long and cold winter, barbecuing in the parks or at the beach, and generally just being happy. The sweet scent in the air creates a feeling of bliss as the warm temperatures average 6°C (42°F) with highs of up to 16°C (61°F). The average sea surface temperature in May 2019 for Oslo was 52.7°F. Inland areas (like Oslo) have a continental climate with colder winters (think minus 13 degrees Fahrenheit, or 25 below zero Celsius) but warmer summers.

The warm season lasts for 3.4 months, from May 23 to September 6, with an average daily high temperature above 62°F.
The hottest day of the year is July 17, with an average high of 71°F and low of 54°F. Sunny, The maximum and minimum values were 46.4°F and 57.4°F respectively. Also, please note that Oslo in May might get some snow. Oslo - Weather warnings issued 14-day forecast.