As of 02:30 EDT

Decatur, GA weather in December

73°

Decatur, Sunday, 9 August, 02:30

Clear. Feels like 74°. High 93°, low 71°.

Pressure30.09 inHg

Wind3.4 mph S

Humidity84%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In December, Decatur, GA averages a high of 53.8° and a low of 37.9°. About 4.3 inches of precipitation fall over the month (10 wet days). The record high is 75° (1978) and the record low 4.5° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	56.8°	39.7°	23%	71.4° (1991)	22.6° (1964)
2	56.8°	39.2°	22%	73.8° (1991)	23.9° (1960)
3	56.8°	39.6°	28%	72.1° (2021)	24.4° (1979)
4	56.3°	39.6°	23%	72.5° (1998)	24.4° (1979)
5	55.2°	39.4°	38%	72.3° (1998)	24.4° (1969)
6	54.7°	37.8°	30%	74.1° (1998)	22.8° (2024)
7	54.9°	37.6°	27%	72.9° (1998)	21° (1984)
8	54.1°	39°	27%	75° (1978)	22.6° (2006)
9	55.4°	39.6°	33%	73.9° (2007)	21.7° (2006)
10	55°	39.7°	43%	74.7° (2007)	19.9° (1995)
11	54°	38.1°	27%	74.5° (2007)	21.7° (1962)
12	54.5°	38.7°	25%	74.8° (2007)	9.9° (1962)
13	54.3°	39°	32%	70.7° (2007)	8.2° (1962)
14	54.1°	38.8°	42%	69.4° (1971)	16.3° (2010)
15	54°	37.8°	33%	70.2° (1971)	19.4° (1968)
16	54°	37.8°	33%	70° (2006)	19° (1989)
17	53.8°	37.2°	30%	70.2° (1984)	21.4° (1972)
18	52.5°	35.6°	25%	71.1° (1990)	21.4° (2000)
19	53.1°	35.1°	22%	70.7° (1984)	16.7° (1963)
20	52.3°	37.9°	37%	70.3° (1967)	13.8° (2000)
21	51.1°	37.2°	35%	71.1° (1967)	18° (1996)
22	52.2°	37.4°	35%	67.8° (1970)	13.3° (1989)
23	53.4°	36.1°	40%	71.2° (1990)	11.1° (2000)
24	52.5°	35.8°	42%	72.5° (2025)	7° (2022)
25	50°	35.6°	33%	72.9° (2015)	4.5° (1983)
26	50°	35.1°	13%	74.7° (2015)	9.9° (1983)
27	52.3°	36.1°	25%	74.3° (2025)	22.6° (1977)
28	54°	38.1°	45%	72.7° (2021)	21.9° (1977)
29	54°	38.1°	37%	70.7° (1984)	21.2° (1961)
30	52.2°	38.1°	28%	69.1° (2021)	14° (1983)
31	53.8°	39°	42%	73.6° (2021)	16.7° (1983)