As of 01:43 CDT

Richardson, TX weather in December

80°

Richardson, Sunday, 9 August, 01:43

Clear. Feels like 80°. High 101°, low 79°.

Pressure30.00 inHg

Wind4 mph S

Humidity70%

Visibility6.2 mi

Dew point69°

See detailed hourly forecast

In December, Richardson, TX averages a high of 56.8° and a low of 40.8°. About 3.1 inches of precipitation fall over the month (7 wet days). The record high is 84.4° (2005) and the record low 5.7° (1989). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	59.7°	42.3°	10%	79.3° (2012)	29.1° (1979)
2	60.6°	43.3°	27%	79.2° (2012)	23.7° (1985)
3	60.8°	44.1°	22%	84.4° (2005)	28.4° (1985)
4	59°	42.8°	17%	79° (2017)	26.6° (2006)
5	59.2°	43.2°	30%	75.7° (1998)	26.6° (2009)
6	57.2°	43.2°	23%	77.2° (1966)	22.5° (1972)
7	56.8°	41.9°	17%	78.3° (1966)	22.3° (2013)
8	58.5°	42.3°	23%	76.8° (2007)	21° (2005)
9	58.3°	41.2°	25%	78.1° (2021)	21.6° (2005)
10	55.8°	41°	23%	79.7° (2021)	22.5° (2013)
11	57.2°	40.3°	30%	74.5° (1996)	26.2° (2013)
12	56.8°	41.4°	28%	74.3° (1990)	22.5° (1961)
13	57.2°	41.7°	28%	75° (1995)	22.3° (1961)
14	57.6°	42.1°	28%	75° (1975)	22.5° (1985)
15	56.8°	40.8°	35%	77.7° (2021)	22.8° (1963)
16	55.2°	40.1°	27%	78.4° (1977)	16° (1989)
17	56.1°	39.4°	15%	77.2° (2021)	23.7° (1979)
18	57.2°	40.1°	27%	74.5° (1980)	19.8° (1964)
19	56.5°	40.8°	23%	74.3° (2012)	19.8° (2016)
20	57°	41°	23%	78.3° (2025)	22.8° (1983)
21	57.4°	40.3°	22%	78.1° (2010)	21.4° (1989)
22	56.5°	39.4°	20%	73.6° (2025)	9.1° (1989)
23	54.5°	39.9°	23%	81° (2025)	5.7° (1989)
24	53.2°	37.9°	18%	78.6° (2025)	9.9° (1983)
25	52.7°	36.7°	15%	77.5° (2021)	7.2° (1983)
26	54.7°	39.2°	28%	83.7° (2025)	13.8° (1983)
27	57°	39.6°	25%	81.1° (2025)	19.8° (2012)
28	55.6°	40.5°	27%	83.3° (2025)	24.6° (1983)
29	55.4°	40.3°	27%	71.8° (1984)	12.4° (1983)
30	55.9°	39.2°	28%	73.2° (2024)	12.7° (1983)
31	53.8°	38.3°	22%	72° (1964)	17.8° (1990)