Trondheim Weather & Climate

Norway

Trondheim sees feels-like daytime highs peak around 19.4°C in July and nighttime lows bottom out near -5.3°C in January. September is the wettest month (~115 mm), while April is the driest (~64 mm). For sunshine, May leads with about 42% clear skies.

Best time to visit Trondheim

Based on mild feels-like temperatures and low rain chances, the most comfortable months are July, August, and June — expect around 12.519.4°C with roughly 47% chance of rain on a given day in July.

Trondheim climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January-5.3° / -1°27%79 mm25%13.9 kph
February-5° / -0.7°24%69 mm26%13.6 kph
March-2.8° / 2.3°30%69 mm29%12.4 kph
April0.9° / 7°32%64 mm36%10.4 kph
May5.4° / 12.7°37%69 mm42%8.8 kph
June9.3° / 16.8°44%94 mm39%7.7 kph
July12.5° / 19.4°47%112 mm37%6.9 kph
August11.7° / 18.5°48%113 mm37%7.3 kph
September8° / 14.4°50%115 mm35%8.6 kph
October2.9° / 7.5°46%105 mm31%9.9 kph
November-1.8° / 2.4°37%90 mm29%11.3 kph
December-5° / -0.7°31%85 mm27%12.7 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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