May weather forecast
Norway

May in Norway heralds the advent of warmer temperatures and longer days, marking a noticeable transition towards summer. In the southern regions such as Oslo, temperatures usually range from 8°C (46.4°F) to 18°C (64.4°F). Precipitation is generally lower, averaging 50mm (1.97"), and mostly takes the form of rain showers.

In Bergen, located on the west coast, temperatures are typically between 8°C (46.4°F) to 15°C (59°F) due to the moderating influence of the Gulf Stream. The city continues to experience relatively high precipitation, around 100mm (3.94"), falling predominantly as rain.

Inland regions, like Ski, see temperatures rise considerably, generally from 8°C (46.4°F) to 17°C (62.6°F). Rainfall is less frequent than in the coastal regions, making May a good time for outdoor activities.

In the northernmost regions, including Tromsø and Karpbukt, the daylight hours increase significantly, marking the onset of the Midnight Sun phenomenon. Despite longer daylight, temperatures remain cooler than the rest of the country, often between 3°C (37.4°F) and 10°C (50°F). Snowfall becomes less common, replaced more frequently by rain showers.

Compared to April, May experiences warmer temperatures and extended daylight hours across Norway. As the country transitions into June, the advent of summer, temperatures continue to climb, and the days grow longer, particularly in the north, where the Midnight Sun shines around the clock.

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• Oslo - May »
  On the first day of May sunrise is at 05:13 and sunset at 21:14. In Oslo during May, the rain falls for 5 days and regularly aggregates up to 53mm (2.09") of precipitation.
• Bergen - May »
  On the last day of the month, in Bergen, sunrise is at 04:24 and sunset at 22:48 CEST. The months with the lowest humidity in Bergen are May and October, with an average relative humidity of 75%.
• Stavanger - May »
  In Stavanger during May, the rain falls for 14.8 days and regularly aggregates up to 52mm (2.05") of precipitation. May temperatures in Stavanger vary between a high-temperature of 10.5°C (50.9°F) and a low-temperature of 7.8°C (46°F).
• Trondheim - May »
  The month with the least rainfall in Trondheim is May, when the rain falls for 15 days and typically collects 53mm (2.09") of precipitation. On the first day of May in Trondheim sunrise is at 04:53 and sunset at 21:37.
• Drammen - May »
  On the last day of the month, in Drammen sunrise is at 04:11 and sunset at 22:22 CEST. Spring notoriously percolates its influence through the dazzling month of May in Drammen, Norway.
• Fredrikstad - May »
  On the last day of May, in Fredrikstad, sunrise is at 04:13 and sunset at 22:15 CEST. In Fredrikstad, during the entire year, the rain falls for 179 days and collects up to 808mm (31.81") of precipitation.
• Skien - May »
  On the last day of the month, in Skien, sunrise is at 04:18 and sunset at 22:20 CEST. With an average relative humidity of 69%, May is the least humid month in Skien, Norway.
• Kristiansand - May »
  On the last day of the month, in Kristiansand sunrise is at 04:33 and sunset at 22:17 CEST. In Kristiansand snow does not fall in April through October.
• Alesund - May »
  On the last day of the month, in Alesund, sunrise is at 03:56 and sunset at 23:09 CEST. In Alesund, during May, the rain falls for 16 days and regularly aggregates up to 62mm (2.44") of precipitation.
• Tønsberg - May »
  April and May, with an average relative humidity of 72%, are the least humid months in Tønsberg, Norway. On the last day of May, in Tønsberg, Norway, sunrise is at 04:14 and sunset at 22:17 CEST.
• Moss - May »
  In Moss, Norway, during May, the rain falls for 11.4 days and regularly aggregates up to 34mm (1.34") of precipitation. In Moss, Norway, snow does not fall in May through September.