As of 23:13 EDT

Gaithersburg, MD weather in December

75°

Gaithersburg, Saturday, 8 August, 23:13

Overcast. Feels like 76°. High 87°, low 71°.

Pressure30.00 inHg

Wind5.7 mph SW

Humidity86%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

In December, Gaithersburg, MD averages a high of 44.4° and a low of 30.5°. About 3.5 inches of precipitation fall over the month (9 wet days). The record high is 74.5° (1998) and the record low -5.6° (1960). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	48.4°	34°	33%	71.4° (2006)	14.4° (1967)
2	48°	33.1°	28%	63.7° (1970)	11.7° (1967)
3	48.2°	33.3°	23%	68° (1998)	17.2° (1976)
4	47.7°	33.1°	25%	71.6° (1982)	16° (1966)
5	46.4°	33.1°	32%	70.7° (1998)	23° (1966)
6	46.8°	32.7°	37%	74.5° (1998)	14.7° (2007)
7	45.3°	31.5°	20%	73° (1998)	4.6° (2002)
8	45.1°	31.6°	23%	68.5° (1978)	15.3° (2003)
9	44.8°	31.3°	40%	67.8° (1966)	14.5° (1989)
10	45.5°	32.4°	30%	68° (1966)	11.3° (1989)
11	45.1°	31.6°	35%	66.4° (2021)	15.1° (1995)
12	44.8°	31.1°	23%	68.2° (2015)	8.6° (1962)
13	44.6°	31.1°	27%	69.3° (2015)	6.3° (1960)
14	43.9°	31.1°	35%	67.8° (2015)	6.1° (1960)
15	45°	31.3°	28%	66° (1971)	14° (2025)
16	44.2°	30.6°	38%	64.9° (1971)	9.3° (1989)
17	44.2°	30.7°	28%	65.8° (1984)	6.1° (1960)
18	42.6°	29.5°	20%	67.3° (2006)	5.4° (1989)
19	41.7°	28°	22%	59.7° (1970)	8.4° (1973)
20	41.5°	27.7°	27%	59° (1987)	2.7° (1960)
21	42.6°	29.1°	25%	65.7° (2013)	7.3° (1981)
22	43°	29.1°	32%	70° (2013)	2.3° (1989)
23	44.4°	29.1°	32%	62.8° (1990)	-5.6° (1960)
24	43.7°	29.1°	38%	68.2° (2015)	-4.2° (1960)
25	42.1°	28°	37%	68° (2015)	-0.4° (1983)
26	40.3°	27.5°	25%	62.4° (1964)	2.7° (1983)
27	41.2°	27.9°	17%	69.1° (2015)	7.3° (1989)
28	44.1°	29.5°	28%	66° (1984)	7.5° (1966)
29	43.7°	30.2°	32%	70° (1984)	6.3° (1961)
30	42.6°	29.5°	20%	63.9° (2019)	6.1° (1961)
31	43.5°	28.9°	37%	65.1° (1992)	2.3° (1962)