WEATHER IN Tromso
Climate tables. Data for Tromso.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -18.3 (1979) | -5.3 | -3.0 | -1.0 | 8.4 (1993) |
| february | -19.0 (1922) | -5.6 | -3.3 | -1.1 | 8.5 (2025) |
| march | -22.0 (1910) | -4.4 | -1.9 | 0.6 | 9.7 (2022) |
| april | -14.3 (1929) | -1.6 | 1.2 | 4.1 | 17.0 (2016) |
| may | -8.6 (1885) | 2.4 | 5.5 | 8.8 | 26.6 (2013) |
| june | -2.5 (1962) | 6.2 | 9.4 | 13.0 | 29.9 (2022) |
| july | 0.7 (1965) | 9.1 | 12.3 | 16.3 | 30.2 (1972) |
| august | -1.6 (1886) | 8.3 | 11.3 | 15.0 | 28.4 (2018) |
| september | -4.4 (1888) | 5.3 | 7.8 | 10.9 | 23.4 (2024) |
| october | -12.8 (1885) | 0.9 | 3.1 | 5.2 | 18.6 (2017) |
| november | -21.1 (1896) | -1.9 | 0.2 | 2.1 | 11.9 (2005) |
| december | -18.0 (1922) | -3.9 | -1.7 | 0.3 | 9.7 (1984) |
| year | -22.0 (1910) | 0.8 | 3.4 | 6.2 | 30.2 (1972) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 108 | 4 (2014) | 281 (1964) | 46 (1925) |
| february | 97 | 2 (2018) | 292 (1891) | 61 (1882) |
| march | 97 | 0.5 (1896) | 209 (2025) | 41 (2000) |
| april | 71 | 5 (1983) | 192 (2021) | 35 (1962) |
| may | 57 | 3 (1873) | 142 (1935) | 43 (1990) |
| june | 58 | 6 (1971) | 133 (2018) | 64 (1907) |
| july | 73 | 2 (1956) | 175 (1999) | 50 (2013) |
| august | 88 | 12 (1953) | 203 (1995) | 43 (2001) |
| september | 111 | 5 (2017) | 270 (1907) | 49 (1888) |
| october | 127 | 9 (1900) | 315 (1985) | 64 (1964) |
| november | 94 | 9 (2000) | 325 (2024) | 50 (1975) |
| december | 110 | 6 (1966) | 248 (1975) | 63 (1909) |
| year | 1091 | 638 (1950) | 1548 (1975) | 64 (1907) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |