Climate at a glance · Trondheim
Annual mean6°day and night
Precipitation1403 mma year
Warmest monthJulyavg high 19°
Coldest monthJanuaryavg low -5°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1403 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 1° | 2° | 5° | 8° | 13° | 17° | 19° | 17° | 15° | 9° | 4° | 1° |
| Avg low | -5° | -4° | -2° | 0° | 5° | 9° | 12° | 11° | 9° | 5° | 0° | -4° |
| Precip, mm | 110 | 88 | 126 | 77 | 83 | 110 | 114 | 147 | 143 | 165 | 124 | 116 |
| Wet days | 17 | 15 | 17 | 14 | 15 | 18 | 17 | 19 | 16 | 22 | 17 | 16 |
| Sunshine | 1.7 h | 4.1 h | 6.4 h | 9.1 h | 11.3 h | 11.2 h | 11.6 h | 9.4 h | 7.5 h | 3.9 h | 2.3 h | 0.9 h |
| Humidity | 76% | 73% | 75% | 74% | 73% | 76% | 78% | 81% | 81% | 83% | 80% | 78% |
| Sea temperature | 5° | 3° | 6° | 7° | 9° | 12° | 18° | 16° | 14° | 11° | 7° | 6° |
| Daylight | 5 h 50 | 8 h 42 | 11 h 49 | 15 h 03 | 18 h 14 | 20 h 22 | 19 h 13 | 16 h 09 | 12 h 58 | 9 h 48 | 6 h 42 | 4 h 43 |
| UV index (clear sky) | 0 | 1 | 2 | 4 | 6 | 7 | 7 | 5 | 3 | 1 | 0 | 0 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
63.4300°N, 10.3950°E