Boston
Massachusetts, United States · now 9°, clear
December 2021
- Average
- 7° / -1°
- Warmest
- Dec 11, 16°
- Coldest
- Dec 20, -8°
- Rain
- 69.3 mm · snow 4.5 cm
- Wet days
- 13 days (≥ 1 mm)
- Against normal
- 2° warmer than normal
- Wed 1-1°8°±0°
- Thu 23.2 mm0°15°+7°
- Fri 30.3 mm-2°8°±0°
- Sat 40.1 mm-4°6°−2°
- Sun 50°7°±0°
- Mon 63.5 mm2°15°+9°
- Tue 73.5 mm-1°6°±0°
- Wed 80.4 cm snow-3°3°−3°
- Thu 90.4 cm snow-4°3°−2°
- Fri 10-3°6°+1°
- Sat 115.2 mm-2°16°+11°
- Sun 125.8 mm2°16°+11°
- Mon 132°10°+5°
- Tue 141°9°+4°
- Wed 150.7 mm-4°7°+2°
- Thu 161.9 mm7°15°+11°
- Fri 175°15°+11°
- Sat 180.8 cm snow2°6°+2°
- Sun 190.1 cm snow-5°7°+2°
- Mon 20-8°1°−4°
- Tue 21-2°7°+1°
- Wed 223.8 mm-1°6°±0°
- Thu 23-5°-1°−7°
- Fri 241.1 cm snow-5°0°−7°
- Sat 258.3 mm-4°3°−4°
- Sun 261.2 cm snow-1°4°−2°
- Mon 27-3°2°−3°
- Tue 280.5 cm snow0°8°+4°
- Wed 290.9 mm1°5°+1°
- Thu 300.1 mm3°6°+2°
- Fri 310.6 mm3°8°+5°
11 December in past years, 2012–2021
- 2021 Sat5.2 mm-2°16°
- 2020 Fri-3°10°
- 2019 Wed5.3 cm snow-8°5°
- 2018 Tue-7°3°
- 2017 Mon-4°2°
- 2016 Sun0.2 cm snow-6°1°
- 2015 Fri5°14°
- 2014 Thu0.2 cm snow-1°3°
- 2013 Wed-7°0°
- 2012 Tue1.2 mm1°13°
· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo