WEATHER IN Heiss Island
Climate tables. Data for Heiss Island.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -42.1 (1989) | -23.3 | -20.1 | -16.7 | 1.9 (1974) |
| february | -44.4 (1978) | -23.6 | -20.2 | -16.8 | 0.0 (1976) |
| march | -43.5 (1986) | -23.8 | -20.6 | -17.2 | 1.6 (1985) |
| april | -39.6 (1969) | -19.2 | -16.5 | -13.6 | 0.7 (1990) |
| may | -27.7 (1964) | -10.1 | -8.1 | -6.1 | 3.3 (2022) |
| june | -12.3 (1964) | -2.5 | -1.2 | 0.2 | 8.0 (1959) |
| july | -3.9 (1982) | -0.2 | 0.7 | 2.0 | 10.3 (1979) |
| august | -8.8 (1997) | -0.6 | 0.4 | 1.6 | 10.2 (2023) |
| september | -23.2 (1987) | -3.0 | -1.7 | -0.4 | 5.6 (2020) |
| october | -32.3 (1987) | -10.0 | -8.0 | -6.2 | 3.8 (1986) |
| november | -39.5 (1968) | -16.4 | -13.6 | -10.7 | 1.6 (2020) |
| december | -41.5 (1968) | -21.4 | -18.2 | -15.0 | 1.7 (1993) |
| year | -44.4 (1978) | -12.8 | -10.6 | -8.2 | 10.3 (1979) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 26 | 0.8 (1994) | 97 (1966) | 27 (1966) |
| february | 27 | 0.7 (2010) | 101 (2011) | 38 (2011) |
| march | 22 | 2 (2001) | 96 (2011) | 32 (1965) |
| april | 18 | 0.3 (2001) | 61 (2008) | 35 (2022) |
| may | 14 | 2 (1976) | 46 (2019) | 24 (1983) |
| june | 13 | 0.9 (2010) | 40 (2016) | 30 (2016) |
| july | 18 | 4 (2001) | 58 (1964) | 21 (1965) |
| august | 23 | 4 (1988) | 57 (1968) | 22 (2020) |
| september | 28 | 4 (1960) | 81 (2012) | 26 (2012) |
| october | 18 | 7 (1976) | 57 (1981) | 20 (1981) |
| november | 21 | 1 (2009) | 87 (1966) | 34 (1989) |
| december | 29 | 0.0 (2009) | 129 (2004) | 58 (2004) |
| year | 246 | 109 (2010) | 405 (1961) | 58 (2004) |
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 |