August weather forecast
Trondheim, Norway

August is a bittersweet time in Trondheim, marking the gradual end of summer with temperatures ranging from 9°C to 17°C. The daylight hours start to recede but remain significantly lengthy, offering ample time to enjoy the city's beauty. Despite the slightly cooler temperatures when compared to July, August's weather remains relatively stable throughout the month. August’s rainfall, on par with July’s figures, continues to unfailingly visit Trondheim, enhancing the city’s reputation for being a fairly rainy location. As the month rolls into September, locals brace themselves for the imminent arrival of autumn.

Temperature

August is the warmest month in Trondheim, exhibiting average temperatures of 17°C at the peak and 9°C at the base.

Rainfall

In Trondheim, in August, it is raining for 19 days, with typically 77mm of accumulated precipitation. Throughout the year, in Trondheim, there are 239 rainfall days, and 1096mm of precipitation is accumulated.

Sea temperature

With an average sea temperature of 14.8°C, August is the month with the warmest seawater.
Note: Swimming in 14.8°C feels unbearing at 13°C and can be life-risking below 10°C, causing breathing issues and cold shock, depending on a person's capacity.

Daylight

In August, the average length of the day is 16h and 10min.
On the first day of August in Trondheim, sunrise is at 04:31 and sunset at 22:17. On the last day of the month, sunrise is at 06:00 and sunset at 20:37 CEST.

Sunshine

In August, the average sunshine is 5h.

UV index

In August, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 3 in August translates into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Experience reduced UV exposure by about half when donning a wide-brim hat.