Białystok, sobota, 26 września, 23:45
Pochmurno. Odczuwalna 9°C. Temperatura maksymalna 17°C, minimalna 10°C.
W grudniu w Białymstoku w dzień jest średnio +0.5°, w nocy -3.4°. W ciągu miesiąca spada około 48 mm opadów (11 dni deszczowych). Rekord ciepła — +12° (2022), rekord zimna — -31.4° (1996). Normę obliczono z ostatnich 60 lat.
| Dzień | W dzień | W nocy | Szansa opadów | Rekord maks. | Rekord min. |
|---|---|---|---|---|---|
| 1 | +0.6° | -2.8° | 27% | +9.1° (2009) | -26.4° (2010) |
| 2 | +0.8° | -3° | 27% | +10.2° (1961) | -21.7° (1998) |
| 3 | +1.3° | -2.9° | 32% | +8.3° (1976) | -25° (1998) |
| 4 | +1.7° | -1.7° | 37% | +9.3° (1986) | -15.4° (1998) |
| 5 | +1.7° | -2.1° | 30% | +11.8° (1961) | -19.4° (1980) |
| 6 | +1.5° | -1.8° | 38% | +9.7° (1979) | -13.2° (1980) |
| 7 | +1° | -2.6° | 42% | +9.1° (2015) | -18.6° (1980) |
| 8 | +0.5° | -3° | 35% | +9.1° (1960) | -15.3° (2002) |
| 9 | +0.7° | -3.3° | 42% | +10.7° (2006) | -16° (1973) |
| 10 | +1° | -2.8° | 38% | +9.9° (2025) | -20.6° (1973) |
| 11 | +1.1° | -2.7° | 42% | +9.7° (2025) | -13.1° (1968) |
| 12 | +1° | -2.5° | 40% | +10.1° (1994) | -13.6° (2001) |
| 13 | +0.4° | -3.4° | 30% | +9.6° (2000) | -17.8° (1963) |
| 14 | +0.1° | -3.9° | 43% | +7.6° (2003) | -23° (1963) |
| 15 | +0.2° | -3.7° | 37% | +7.8° (1980) | -17.3° (1963) |
| 16 | 0° | -3.5° | 37% | +7.9° (2024) | -19.6° (1961) |
| 17 | -0.3° | -4.6° | 35% | +7.1° (2024) | -21° (1997) |
| 18 | -0.2° | -4° | 40% | +9.9° (2019) | -21.7° (1978) |
| 19 | +0.7° | -3.6° | 40% | +10.3° (1989) | -20.3° (2009) |
| 20 | +0.4° | -3.9° | 47% | +8.4° (2014) | -24.7° (2009) |
| 21 | -0.2° | -4.1° | 43% | +9.4° (2019) | -26.3° (1962) |
| 22 | +0.2° | -4.1° | 32% | +8.8° (1971) | -20.2° (1969) |
| 23 | +0.2° | -4° | 35% | +10.8° (2015) | -23.9° (2002) |
| 24 | +0.6° | -3.7° | 40% | +8.6° (2015) | -21.3° (2002) |
| 25 | +0.5° | -3.5° | 40% | +8° (2017) | -17.5° (2002) |
| 26 | +0.6° | -3.6° | 33% | +10.5° (2015) | -26° (1996) |
| 27 | +0.2° | -3.8° | 33% | +7.8° (2011) | -31.4° (1996) |
| 28 | +0.1° | -3.8° | 30% | +8.7° (1983) | -28.1° (1996) |
| 29 | +0.4° | -3.7° | 32% | +9.3° (1994) | -22.6° (1996) |
| 30 | +0.1° | -4.4° | 43% | +9.2° (1987) | -25.9° (1978) |
| 31 | -1° | -5.1° | 33% | +12° (2022) | -27.1° (1969) |