Siemianowice Śląskie, środa, 16 września, 04:20
Bezchmurnie. Odczuwalna 11°C. Temperatura maksymalna 24°C, minimalna 11°C.
W grudniu w Siemianowicach Śląskich w dzień jest średnio +2°, w nocy -2.7°. W ciągu miesiąca spada około 51 mm opadów (12 dni deszczowych). Rekord ciepła — +14.6° (1989), rekord zimna — -24.5° (1961). Normę obliczono z ostatnich 60 lat.
| Dzień | W dzień | W nocy | Szansa opadów | Rekord maks. | Rekord min. |
|---|---|---|---|---|---|
| 1 | +2.5° | -2.3° | 30% | +12.6° (2009) | -18.6° (1980) |
| 2 | +2.7° | -2.3° | 32% | +12.7° (1961) | -23.2° (1980) |
| 3 | +2.7° | -2.4° | 30% | +10.7° (1992) | -14.8° (1973) |
| 4 | +3° | -2.1° | 32% | +11° (1985) | -17.3° (1980) |
| 5 | +3.1° | -2.1° | 42% | +13.8° (1961) | -18.5° (1978) |
| 6 | +2.7° | -1.5° | 45% | +11.8° (2006) | -13.1° (1978) |
| 7 | +2° | -1.5° | 42% | +11.9° (1960) | -17.6° (1978) |
| 8 | +2° | -2.3° | 33% | +12.6° (2006) | -20.4° (1978) |
| 9 | +2.5° | -2.4° | 38% | +14.2° (2006) | -14.6° (1991) |
| 10 | +2° | -2.6° | 42% | +11.4° (1960) | -14.1° (1991) |
| 11 | +2.4° | -2.1° | 42% | +10.5° (1979) | -15° (1998) |
| 12 | +2.3° | -2.6° | 43% | +11.6° (2017) | -17.9° (1983) |
| 13 | +1.3° | -3.6° | 30% | +11.9° (2000) | -19.9° (1983) |
| 14 | +1.4° | -2.8° | 37% | +9.1° (2000) | -15.8° (2001) |
| 15 | +1.8° | -2.6° | 42% | +10.5° (1989) | -18.7° (1983) |
| 16 | +1.7° | -2.6° | 42% | +10.2° (2019) | -16.4° (1961) |
| 17 | +1.6° | -3° | 37% | +12.5° (2019) | -19.3° (1961) |
| 18 | +2° | -2.8° | 38% | +12.9° (2019) | -18.4° (2010) |
| 19 | +2° | -2.5° | 38% | +14.6° (1989) | -17° (2009) |
| 20 | +1.6° | -2.7° | 45% | +14.4° (2019) | -16.7° (2009) |
| 21 | +1.5° | -3.1° | 50% | +11.4° (1989) | -19.6° (1969) |
| 22 | +1.8° | -3° | 37% | +9.5° (1989) | -23.3° (1969) |
| 23 | +2° | -2.7° | 40% | +10.8° (2015) | -18.7° (1969) |
| 24 | +2.2° | -2.4° | 42% | +9.5° (2013) | -17.6° (1963) |
| 25 | +2.3° | -2.5° | 38% | +11.5° (2009) | -24.5° (1961) |
| 26 | +1.9° | -2.8° | 47% | +10.8° (2015) | -24.5° (1961) |
| 27 | +1.5° | -3.4° | 43% | +9.3° (2015) | -23.4° (1996) |
| 28 | +1.5° | -3.5° | 33% | +11.5° (2013) | -20.8° (1996) |
| 29 | +1.5° | -3.6° | 37% | +10.4° (1974) | -23.9° (1996) |
| 30 | +1° | -3.6° | 48% | +8.9° (1987) | -21.5° (1996) |
| 31 | +1° | -4.3° | 33% | +11.3° (2022) | -20.5° (1996) |