Siekierka, niedziela, 27 września, 10:17
Przeważnie słonecznie. Odczuwalna 15°C. Temperatura maksymalna 18°C, minimalna 10°C.
W styczniu w Siekierce w dzień jest średnio -1.7°, w nocy -6°. W ciągu miesiąca spada około 45 mm opadów (12 dni deszczowych). Rekord ciepła — +14.5° (2023), rekord zimna — -31.8° (1987). Normę obliczono z ostatnich 60 lat.
| Dzień | W dzień | W nocy | Szansa opadów | Rekord maks. | Rekord min. |
|---|---|---|---|---|---|
| 1 | -0.9° | -5.2° | 42% | +14.5° (2023) | -28° (1997) |
| 2 | -0.8° | -5.1° | 47% | +9.6° (2023) | -27.6° (1979) |
| 3 | -0.9° | -4.9° | 52% | +9.5° (2023) | -23.7° (1979) |
| 4 | -1.4° | -5.8° | 48% | +6.3° (1988) | -23.7° (2002) |
| 5 | -1.8° | -6.7° | 43% | +7.1° (1999) | -22.5° (1987) |
| 6 | -2.1° | -6.8° | 38% | +8.7° (1988) | -21° (2017) |
| 7 | -3° | -7.7° | 30% | +8.3° (1983) | -28.5° (1987) |
| 8 | -2.3° | -6.8° | 32% | +9.1° (2005) | -31.8° (1987) |
| 9 | -1.7° | -5.6° | 32% | +9.1° (2005) | -25° (1987) |
| 10 | -1.4° | -5.1° | 37% | +11° (2007) | -26.9° (1987) |
| 11 | -1.2° | -5.7° | 38% | +10.2° (1991) | -27.4° (1987) |
| 12 | -0.5° | -5° | 37% | +7.7° (2005) | -20.9° (1987) |
| 13 | -0.8° | -4.9° | 35% | +8.2° (2007) | -23° (1968) |
| 14 | -1° | -5.5° | 40% | +9.2° (1993) | -30.9° (1968) |
| 15 | -1.4° | -5.6° | 33% | +6.4° (2020) | -24.3° (1972) |
| 16 | -1.8° | -6.6° | 28% | +8.8° (1989) | -22.4° (1972) |
| 17 | -2.3° | -6.9° | 35% | +9.1° (1993) | -28° (1963) |
| 18 | -2.4° | -6.9° | 25% | +9° (2007) | -31.8° (1963) |
| 19 | -2.7° | -7° | 32% | +9.4° (2007) | -29.9° (1963) |
| 20 | -2.7° | -6.8° | 37% | +5° (1986) | -28.7° (2006) |
| 21 | -2.7° | -6.5° | 33% | +7.4° (1993) | -24.9° (2006) |
| 22 | -2.5° | -6.6° | 30% | +9.5° (1993) | -25.7° (2006) |
| 23 | -2.4° | -6.4° | 32% | +5.8° (1993) | -26.3° (2006) |
| 24 | -2° | -6.5° | 35% | +6.2° (1993) | -25° (2006) |
| 25 | -1.8° | -5.8° | 37% | +5.5° (2025) | -29.6° (2010) |
| 26 | -1.2° | -5.6° | 42% | +9° (1990) | -25.4° (2010) |
| 27 | -1.6° | -5.6° | 38% | +8.7° (1983) | -24.3° (2010) |
| 28 | -1.3° | -6.3° | 37% | +9.2° (2002) | -18.1° (1985) |
| 29 | -1.1° | -5.9° | 42% | +8.6° (2025) | -22.3° (1987) |
| 30 | -0.7° | -5.7° | 38% | +8.8° (2025) | -28.9° (1987) |
| 31 | -1° | -5.7° | 48% | +8° (2002) | -27.5° (1970) |