As of 22:04 PDT

Piedmont, CA weather in December

59°

Piedmont, Saturday, 8 August, 22:04

Clear. Feels like 58°. High 87°, low 59°.

Pressure29.88 inHg

Wind8 mph W

Humidity83%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

In December, Piedmont, CA averages a high of 55.6° and a low of 41.7°. About 3.5 inches of precipitation fall over the month (9 wet days). The record high is 69.1° (1975) and the record low 22.6° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	58.1°	43.7°	27%	68.7° (2021)	35.4° (1969)
2	57.7°	43.2°	25%	68.7° (2021)	31.3° (2022)
3	58.1°	43.5°	33%	68.7° (1979)	34.2° (2004)
4	57.7°	43.2°	28%	67.1° (1979)	33.6° (1971)
5	57.7°	44.2°	27%	65.7° (2023)	31.1° (1972)
6	57.4°	43.7°	28%	66.9° (1962)	33.1° (2011)
7	57.4°	43.2°	28%	68.2° (2020)	33.6° (1998)
8	56.7°	42.8°	22%	68.2° (2020)	29.3° (1972)
9	56.7°	42.8°	28%	66.7° (1990)	25.2° (1972)
10	56.3°	42.3°	23%	62.8° (2012)	27.3° (1972)
11	55.4°	41.7°	30%	64.8° (2017)	27.5° (1972)
12	55.2°	42.1°	27%	63.9° (1988)	28.2° (1972)
13	55.2°	42.1°	23%	61.5° (1962)	23° (1972)
14	55°	41.5°	25%	65.7° (1962)	27.5° (1972)
15	55.2°	41.2°	28%	64.2° (1976)	29.8° (1972)
16	55.8°	40.3°	20%	64.8° (2023)	29.8° (1971)
17	55.4°	41.2°	37%	64.4° (1998)	31.5° (2008)
18	54.9°	41°	27%	62.6° (1976)	29.3° (1965)
19	54.9°	40.8°	27%	68.9° (1999)	31.5° (2016)
20	54.3°	40.6°	30%	65.3° (1999)	28.6° (1965)
21	54.7°	41°	38%	66.2° (1999)	25.3° (1990)
22	54.1°	41.4°	38%	64.2° (2024)	22.6° (1990)
23	55°	40.6°	23%	64.2° (2024)	24.8° (1990)
24	54.9°	40.6°	23%	66.2° (2013)	27.1° (1990)
25	54.5°	39.9°	27%	64° (1967)	28.9° (1990)
26	54.1°	39.7°	32%	66.4° (1967)	28.6° (1990)
27	54.3°	40.3°	32%	64.6° (1967)	29.8° (1990)
28	54.1°	40.8°	32%	69.1° (1975)	29.1° (1962)
29	54.5°	41.2°	33%	63.3° (1975)	30° (1988)
30	54°	40.5°	27%	62.2° (2013)	29.1° (1990)
31	54.1°	40.6°	25%	63.3° (1996)	28.6° (1990)