Boston
Massachusetts, United States · now 10°, light drizzle
December 1999
- Average
- 6° / -1°
- Warmest
- Dec 6, 14°
- Coldest
- Dec 25, -10°
- Rain
- 56.3 mm · snow 0.1 cm
- Wet days
- 9 days (≥ 1 mm)
- Against normal
- 1° warmer than normal
- Wed 1-4°0°−8°
- Thu 2-3°6°−1°
- Fri 3-1°10°+3°
- Sat 40.7 mm2°10°+3°
- Sun 53°14°+8°
- Mon 65.1 mm10°14°+8°
- Tue 718.7 mm4°11°+5°
- Wed 81°9°+4°
- Thu 90°7°+2°
- Fri 102.2 mm0°11°+6°
- Sat 111°6°+2°
- Sun 120°6°+2°
- Mon 131.7 mm-1°8°+4°
- Tue 148.7 mm2°5°+1°
- Wed 155.7 mm5°7°+3°
- Thu 161.5 mm3°10°+6°
- Fri 17-1°6°+2°
- Sat 18-3°2°−2°
- Sun 19-4°1°−3°
- Mon 207.0 mm-2°10°+6°
- Tue 215.0 mm1°12°+9°
- Wed 22-2°2°−1°
- Thu 23-4°3°±0°
- Fri 24-8°-2°−4°
- Sat 25-10°-4°−6°
- Sun 26-7°3°+1°
- Mon 27-6°-1°−3°
- Tue 28-9°-4°−6°
- Wed 29-6°0°−2°
- Thu 300.1 cm snow-2°8°+6°
- Fri 31-3°2°−1°
30 December in past years, 1990–1999
- 1999 Thu0.1 cm snow-2°8°
- 1998 Wed0.1 cm snow-14°3°
- 1997 Tue0.2 cm snow-2°7°
- 1996 Mon-3°8°
- 1995 Sat-13°1°
- 1994 Fri-12°-3°
- 1993 Thu10.7 cm snow-13°-2°
- 1992 Wed18.5 mm2°3°
- 1991 Mon1.3 cm snow-4°4°
- 1990 Sun4.6 mm5°13°
· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo