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Trondheim Monthly Climate Averages
Trondheim is located in subarctic climate zone that typically has substantial seasonal variance in temperatures short summer and prolonged and sometimes very cold winter.
To help you choose the best time to travel, you can find climate data below on the weather in Trondheim .
Month | t°C day |
t°C night |
mm rain |
daylight |
January | +1.2 | -4.9 | 78 | 6.9h |
February | +1.5 | -4.7 | 66 | 9.6h |
March | +4.2 | -2.5 | 56 | 12.7h |
April | +8.5 | +1.1 | 45 | 16h |
May | +13.4 | +5.1 | 52 | 19.9h |
June | +16.2 | +8.5 | 69 | 22.4h |
July | +18.9 | +11 | 89 | 20.5h |
August | +18 | +10.4 | 90 | 17.2h |
September | +14.1 | +7 | 92 | 13.7h |
October | +9.1 | +3 | 81 | 10.5h |
November | +4.2 | -1.3 | 74 | 7.6h |
December | +1.7 | -4.3 | 82 | 5.9h |
Best time with the soft weather for the sightseeing and long walks in Trondheim are July, August.
Temperature in Trondheim
The table shows that the hottest months in Trondheim are July and August, during which the average daytime temperature reaches +18.9°C and the nighttime temperature falls to +11°C.
The coldest months are January and February, when the daily average temperature falls to +1.2°C, and drops to -4.9°C during the night.
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Sea temperature
The month with the highest average monthly temperature in the Trondheimsfjord on the beaches of Trondheim is August with 14.7 degrees.
The coldest water can be found in March — 4.9degrees C.
Precipitation
The largest amount of precipitation falls on average in September and August, up to 92mm, and the least in April and May — up to 45mm.