Richardson Climatology

Areas of Excessive Rainfall, Severe Thunderstorms, and Extreme Heat

Heavy to excessive rainfall is expected through tonight across portions of the central Plains. Areas of intense rainfall amounts could support increasing flooding concerns. Scattered severe thunderstorms are possible across parts of the central/southern Plains today and tonight, with large hail and damaging winds the main threats. Areas of extreme heat will impact parts of the West this week. Read More >

Richardson (Collin County)

32º 59' N 96º 45' W

675 ft

30 Year Normals (1991-2020)
Month		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
N o r m a l	Maximum (°F)	55.9	60.0	68.6	75.4	82.6	90.0	94.3	94.8	87.3	77.5	66.1	57.3	75.8
	Minimum (°F)	35.8	39.5	47.5	54.8	63.6	71.2	75.3	74.5	67.1	56.1	45.6	38.0	55.8
	Precipitation (in.)	2.78	3.37	3.56	3.52	5.18	3.83	2.22	2.48	3.30	5.26	3.04	3.37	41.91
Monthly Precipitation
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
2025		6.05	1.17	2.24	7.10	4.29	5.73	2.70
2024		4.53	1.83	6.91	6.49	9.34	4.19	1.66	0.00	2.31	0.76	4.06	5.32	47.70
2023		1.66	6.06	3.46	2.30	2.49	0.79	3.16	0.12	1.57	8.46	0.87	1.97	32.91
2022		0.40	2.82	4.98	3.78	4.87	3.59	0.00	5.72	4.01	6.37	1.74	3.26	41.54
2021		1.63	3.23	4.12	5.88	11.52	7.31	3.73	4.80	0.31	3.94	3.23	0.59	50.29
2020		2.97	3.77	7.87	1.63	5.50	3.32	0.42	4.14	5.55	3.94	1.10	3.10	43.31
2019		2.54	2.04	3.02	9.06	9.78	6.56	0.03	1.93	0.77	6.24	1.28	3.06	46.31
2018		0.47	14.64	3.48	1.96	2.55	0.46	2.76	5.32	15.62	14.88	1.41	5.76	69.31
2017		3.28	2.67	0.97	2.31	0.73	6.06	3.58	5.72	1.38	2.39	0.83	3.60	33.52
2016		1.71	2.46	3.28	4.14	7.77	3.32	1.69	4.55	2.96	2.16	4.49	0.71	38.65
2015		3.96	3.77	3.59	6.53	17.50	4.25	0.37	0.26	1.24	9.61	12.28	6.65	70.01
2014		0.41	0.63	1.15	1.96	M	1.90	2.08	0.78	0.41	3.71	1.75	1.66	NA
2013		4.12	2.46	2.81	2.44	3.99	2.47	1.34	0.10	2.77	4.23	2.70	2.61	32.04
2012		5.86	1.96	6.62	1.76	2.98	3.95	0.18	2.73	2.85	1.28	0.00	2.50	32.67
2011		1.61	1.29	0.08	5.27	7.06	2.45	0.15	0.38	1.42	4.67	1.49	4.76	30.63
2010		3.53	2.95	3.48	1.67	1.52	2.21	3.84	1.09	8.72	0.68	3.02	1.92	34.63
2009		1.33	0.85	5.04	3.63	6.41	4.11	3.02	2.75	7.78	8.74	2.46	2.87	48.99
2008		0.28	4.06	8.50	6.77	3.64	1.82	0.90	4.30	4.43	1.16	4.63	0.55	41.04
2007		5.87	0.45	5.54	3.00	8.30	11.26	8.02	1.25	4.15	5.02	0.95	2.93	56.74
2006		2.26	5.41	5.69	1.60	1.83	0.78	0.66	1.69	2.38	6.15	1.94	3.45	33.84
2005		6.04	1.63	2.53	0.53	5.01	0.99	3.61	3.29	0.56	0.98	0.09	0.71	25.97
2004		3.14	4.46	2.44	2.85	2.71	8.25	4.23	2.56	1.45	7.38	7.02	1.11	47.60
2003		0.15	3.31	0.75	2.11	3.14	3.46	0.25	2.16	8.08	1.35	2.50	1.40	28.66
2002		4.08	1.94	5.57	4.47	4.73	1.96	2.82	1.46	1.92	9.78	0.61	4.99	44.33
2001		2.90	8.71	5.41	1.74	4.36	1.50	1.20	2.58	4.41	2.70	1.29	2.90	40.70
2000		1.90	2.71	2.19	3.63	3.77	9.80	0.00	0.00	0.15	6.17	7.77	4.81	42.90
1999		1.94	0.65	2.74	2.20	7.37	4.65	2.85	0.07	1.46	3.04	2.12	4.74	33.83
1998		6.02	4.11	4.51	1.40	3.80	1.60	0.14	0.03	4.48	5.57	5.79	7.13	44.58
1997		0.76	8.68	2.66	7.38	5.96	5.42	1.03	3.71	0.23	5.23	1.53	7.69	50.28
1996		1.30	0.95	1.55	2.06	2.06	1.72	3.86	4.52	3.04	7.75	6.62	0.31	35.74
1995		2.16	0.64	7.21	4.81	6.25	2.50	2.58	4.12	1.55	0.85	0.60	2.70	35.97
1994		1.47	1.38	2.13	3.35	5.44	1.58	7.21	2.91	5.05	9.61	7.20	1.80	49.13
1993		1.91	6.20	2.35	4.27	1.80	3.89	0.00	1.70	4.35	6.41	1.85	2.19	36.92
1992		3.74	2.05	3.28	1.25	8.44	5.26	2.17	1.43	1.15	3.10	M	5.17	NA
1991		3.20	3.09	0.81	6.79	7.87	3.00	1.61	5.33	3.11	9.58	2.12	10.12	56.63
1990		8.14	2.83	7.03	9.94	M	1.11	1.17	4.43	2.32	3.12	5.16	1.57	NA
1989		2.93	5.00	5.05	1.87	9.08	13.55	4.83	2.22	3.80	1.98	0.52	0.34	51.17
1988		0.85	1.79	2.32	2.40	3.13	M	2.72	1.51	9.20	0.98	1.41	2.19	NA
1987		2.02	5.32	M	0.38	15.48	5.62	1.96	1.19	2.53	0.21	5.09	2.81	NA
1986		0.00	2.51	1.20	7.85	8.14	5.03	0.43	1.21	1.80	4.61	4.47	2.37	39.62
1985		0.95	2.14	4.47	7.91	2.82	2.13	1.92	0.00	4.30	4.13	4.80	1.11	36.68
1984		1.20	2.49	8.81	1.52	2.78	2.40	1.45	0.98	0.95	9.89	3.21	6.94	42.62
1983		2.66	1.48	3.81	0.49	5.36	1.55	2.31	3.71	0.16	3.25	2.26	0.97	28.01
1982		2.66	1.52	1.64	4.22	9.58	5.80	3.09	0.46	1.32	3.31	4.84	4.61	43.05
1981		0.50	0.99	2.67	2.15	6.75	9.22	5.55	1.29	3.93	11.08	4.23	0.18	48.54
1980		3.11	1.21	1.04	2.87	2.58	1.67	0.21	0.00	9.05	1.30	1.65	1.72	26.41
1979		4.32	3.11	7.73	2.02	7.79	1.55	2.67	2.82	1.37	2.24	0.70	2.39	38.71
1978		3.78	4.00	2.59	2.11	7.95	1.14	0.87	3.85	1.70	0.26	3.55	1.51	33.31
1977		2.52	1.36	4.92	4.00	0.92	2.60	0.97	3.72	1.70	0.43	2.05	0.28	25.47
1976		0.31	1.15	2.69	5.10	7.11	2.14	3.88	1.55	2.56	3.18	0.38	2.91	32.96
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
1975		2.69	1.23	3.04	3.46	7.58	3.67	3.60	2.23	0.86	0.02	1.37	2.10	31.85
1974		2.15	1.55	1.52	3.28	3.82	4.66	2.01	4.17	9.48	5.26	4.30	2.16	44.36
1973		3.45	3.96	3.33	7.14	6.51	12.31	6.07	0.13	6.30	6.87	2.18	1.40	59.65
1972		0.46	0.41	1.54	3.37	1.77	3.41	0.43	0.58	1.26	8.32	3.11	0.77	25.43
1971		0.00	2.48	0.36	2.52	3.56	2.97	5.14	6.19	2.54	11.03	1.83	10.35	48.97
1970		0.65	5.55	4.00	7.78	5.13	0.25	0.33	3.28	8.26	3.47	0.47	1.29	40.46
1969		2.41	2.68	4.52	3.50	12.03	0.80	0.08	0.80	3.43	7.38	1.39	3.25	42.27
1968		3.53	1.49	6.69	2.77	3.79	4.90	1.97	4.50	3.74	1.61	4.74	1.00	40.73
1967		0.31	0.70	2.76	4.58	7.83	2.17	2.63	0.17	7.77	5.14	0.64	3.81	38.51
1966		1.26	2.77	2.75	17.27	2.29	3.95	2.35	6.78	3.23	1.69	0.35	0.96	45.65
1965		2.06	6.02	1.27	1.78	10.56	3.35	0.38	1.21	4.76	1.63	1.63	1.53	36.18
1964		2.67	1.55	4.67	3.64	5.24	0.36	0.24	4.06	14.36	0.24	6.29	1.00	44.32
1963		0.30	0.31	0.66	5.11	4.64	0.97	2.42	0.29	0.50	0.17	2.08	1.75	19.20
1962		M	M	M	M	1.50	8.40	9.61	2.67	6.06	9.32	2.25	0.80	NA
1961		4.09	2.47	3.23	0.14	1.95	7.32	M	M	5.97	3.20	3.71	M	NA
1960		2.60	2.29	1.08	2.27	1.58	2.10	4.64	3.60	1.74	2.14	M	6.94	NA
1959		0.16	0.96	2.10	0.97	2.02	3.20	4.88	1.71	1.85	5.94	2.01	4.18	29.98
1958		2.53	1.08	6.34	8.07	1.61	0.76	2.20	1.60	3.77	0.33	2.45	0.93	31.67
1957		2.27	0.82	4.93	15.04	6.23	1.70	0.00	1.27	5.35	3.11	4.95	2.60	48.27
1956		M	M	M	M	3.48	0.31	2.55	0.92	0.05	2.11	3.41	2.15	NA
1955		1.61	1.95	2.13	1.13	4.35	1.73	2.76	1.26	3.97	0.79	0.50	0.00	22.18
1954		0.38	0.67	0.44	3.71	3.96	2.21	0.42	0.66	2.26	4.14	1.43	0.71	20.99
1953		1.13	1.67	3.79	5.58	3.17	0.38	1.08	5.33	1.03	3.08	4.04	1.84	32.12
1952		1.08	2.03	1.84	5.84	5.46	0.00	1.70	0.00	0.43	0.04	8.39	3.43	30.24
1951		1.30	4.09	1.79	1.97	4.23	5.35	1.01	0.41	2.00	3.82	0.89	0.37	27.23
1950		0.20	1.95	1.20	2.05	M	2.06	3.95	2.68	4.04	0.15	0.01	0.08	NA
1949		NOT AVAILABLE
1948			1.85	2.61	1.27	4.42	3.95	1.84	0.27	0.00	0.90	0.27	M	NA
Year		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann

Location below

Map of the Richardson region

Map from tiger.census.gov