The highest day temperature in March 2026 was 48°F. The lowest night temperature was 15°F. The average values for day and night temperatures during March were 39.4°F и 29.7°F respectivly.

The average sea surface temperature in March 2026 for Oslo was 32.0°F. The maximum and minimum values were 28.0°F and 37.8°F respectively.

Most of the days in March are gloomy but you can also expect sunny days.

Precipitation total in March for Oslo is 1.4 in. It makes march the least rainy month of the year.

The average wind speed in March is 5.5 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Oslo in March is 5.4 hours.