The highest day temperature in May 2023 was 62°F. The lowest night temperature was 30°F. The average values for day and night temperatures during May were 48.4°F и 40.7°F respectivly.

The average sea surface temperature in May 2023 for Trondheim was 47.6°F. The maximum and minimum values were 42.8°F and 51.6°F respectively.

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

Precipitation total in May for Trondheim is 2.1 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 6.7 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 Trondheim in May is 8.4 hours.