Rockwall Climatology

Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Rockwall (Rockwall County)

32º 56' N 96º 28' W

543 ft

30 Year Precipitation Normals (1981-2010)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Month	2.19	2.86	3.88	3.24	4.81	3.63	2.22	1.83	2.76	4.52	3.43	3.21	38.58
Monthly Precipitation
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
2010
2009	1.98	0.86	5.38	3.30	5.63	1.47	4.51	3.22	M	9.61	3.51	2.98	NA
2008	0.48	M	8.70	3.27	3.29	2.75	0.79	3.20	1.99	0.54	M	0.93	NA
2007	4.98	0.72	4.60	1.14	6.76	10.62	6.12	2.20	5.85	3.26	1.28	5.33	52.86
2006	2.36	3.83	9.87	1.09	2.20	0.30	0.04	0.55	2.23	3.77	1.40	2.81	30.45
2005	4.84	1.64	1.65	1.06	1.89	0.63	1.93	2.42	0.74	0.19	1.33	0.36	18.68
2004	4.03	4.36	2.30	2.84	1.99	7.95	4.86	1.70	0.37	3.90	3.99	0.81	39.10
2003	0.22	3.92	0.42	2.48	2.59	2.34	0.37	0.17	2.04	0.84	3.09	1.59	20.07
2002	1.83	1.59	5.19	2.22	5.12	0.63	5.26	1.76	1.62	9.23	0.33	3.39	38.17
2001	2.85	6.33	6.28	0.81	3.67	1.11	2.00	3.72	4.04	4.76	1.90	5.97	43.44
2000	1.92	1.89	2.25	2.20	8.79	11.50	0.00	0.00	0.63	4.10	8.51	3.82	45.61
1999	2.10	0.62	2.54	1.58	10.61	1.43	1.43	T	1.16	2.29	2.94	4.46	31.16
1998	3.86	2.57	3.10	1.03	1.36	0.55	0.19	0.26	3.92	4.00	5.44	8.73	35.01
1997	0.79	7.25	4.23	5.95	5.36	2.78	0.40	1.00	0.56	4.04	1.87	6.64	40.87
1996	1.18	0.10	1.05	2.06	0.71	0.81	1.97	5.68	3.21	7.07	4.58	1.22	29.64
1995	3.55	0.62	6.35	3.87	5.23	1.71	2.25	2.26	2.76	0.64	1.09	2.10	32.43
1994	1.11	2.41	2.16	4.13	3.99	2.17	4.56	1.32	3.40	9.46	7.13	3.60	45.44
1993	2.08	4.63	3.14	5.81	2.89	3.31	0.00	1.11	5.16	6.28	1.88	2.71	39.00
1992	3.28	2.84	4.12	1.86	4.72	5.41	1.90	0.42	3.67	3.20	4.23	4.19	39.84
1991	3.46	3.14	0.72	10.00	3.89	1.82	1.03	5.91	4.33	10.21	2.12	9.14	55.77
1990	4.60	4.89	5.21	5.87	6.78	1.90	1.23	3.09	1.98	1.90	4.62	1.76	43.83
1989	2.53	3.81	4.03	2.01	7.08	8.80	4.35	2.46	2.47	1.62	0.79	0.11	40.06
1988	0.84	1.30	3.10	M	1.18	3.90	5.94	0.89	3.59	1.39	4.47	2.47	NA
1987	1.55	4.82	2.94	0.71	5.60	5.47	2.01	0.31	3.70	0.48	5.49	4.10	37.18
1986	0.00	3.78	0.94	7.84	7.43	3.95	0.69	0.41	2.21	5.33	4.81	2.16	39.55
1985	1.37	2.36	4.30	10.77	7.45	2.64	1.77	0.22	2.15	5.40	4.21	2.59	45.23
1984	1.48	2.77	5.47	1.55	1.08	2.69	0.26	0.86	2.44	12.27	3.20	5.57	39.64
1983	0.26	6.10	4.43	0.81	6.70	1.57	2.59	3.91	0.25	3.56	2.94	0.82	33.94
1982	2.20	1.35	2.31	3.86	10.04	5.92	1.08	2.19	1.45	3.94	3.99	4.59	42.92
1981	0.80	1.41	5.96	1.92	7.71	9.03	5.19	3.16	1.72	10.82	4.41	0.15	52.28
1980	2.81	1.43	1.02	2.55	3.01	3.38	0.00	0.87	6.06	1.62	1.65	1.90	26.30
1979	4.36	2.72	7.31	1.62	9.45	1.49	3.41	3.06	2.53	2.69	0.39	3.76	42.79
1978	2.04	3.34	3.58	1.20	5.61	1.09	2.98	2.08	0.91	0.06	4.35	2.05	29.29
1977	2.84	2.76	9.52	4.17	1.45	3.24	0.83	3.63	3.04	0.35	2.37	0.97	35.17
1976	0.24	1.00	5.33	7.80	7.91	1.14	3.80	0.22	3.18	4.54	0.48	3.40	39.04
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
1975	2.00	3.94	2.29	2.95	6.76	4.15	4.59	2.08	0.45	0.05	1.73	1.46	32.45
1974	3.69	0.95	1.19	3.83	5.03	4.91	0.56	8.12	8.47	2.87	4.68	2.54	46.84
1973	3.71	3.24	3.86	3.62	5.23	9.32	7.04	0.07	11.64	8.39	1.71	1.70	59.53
1972	1.63	0.33	0.93	3.31	1.30	3.97	0.67	1.34	1.54	5.98	3.42	1.76	26.18
1971	0.23	2.33	0.82	1.64	3.39	0.87	6.62	3.88	2.20	12.53	1.24	6.56	42.31
1970	0.64	6.57	4.54	4.19	8.48	0.91	0.28	5.38	7.89	4.55	0.56	1.03	45.02
1969	1.55	2.82	5.77	2.56	9.86	0.55	0.00	2.22	2.01	4.37	0.76	4.84	37.31
1968	3.89	1.91	6.14	4.02	5.67	3.17	2.34	0.90	3.97	1.11	3.31	2.17	38.60
1967	0.31	1.48	1.78	5.24	9.08	0.69	3.89	0.16	8.11	6.18	1.85	3.21	41.98
1966	2.10	3.73	2.19	18.31	3.23	5.41	1.83	5.49	2.92	2.71	0.35	1.53	49.80
1965	2.69	6.29	1.09	2.07	10.78	2.75	0.67	0.43	4.96	0.83	2.45	1.50	36.51
1964	2.55	1.43	4.12	3.11	3.76	3.18	0.20	3.22	7.31	0.33	4.31	0.90	34.42
1963	0.62	0.19	1.10	7.10	2.41	0.21	3.58	0.45	1.95	0.00	1.82	2.19	21.62
1962	1.75	2.33	1.91	5.35	2.33	6.66	6.28	1.29	5.23	6.06	3.19	1.15	43.53
1961	3.17	2.27	3.81	0.67	3.14	7.49	1.71	0.25	4.10	2.27	4.17	3.43	36.48
1960	3.51	2.11	1.44	2.12	1.87	3.76	3.11	5.48	1.82	1.28	0.89	7.70	35.09
1959	0.40	2.94	2.64	1.77	2.32	4.72	4.85	1.38	0.76	7.85	2.14	5.09	36.86
1958	1.94	1.07	4.93	7.89	4.05	2.59	3.85	0.54	7.49	0.94	2.03	0.87	38.19
1957	2.62	1.22	4.58	14.71	14.31	2.48	0.00	0.72	3.64	5.01	6.43	1.70	57.42
1956	2.29	2.62	0.00	3.64	3.30	0.40	1.89	1.21	0.00	1.15	5.31	2.02	23.83
1955	1.78	3.44	1.25	3.18	4.04	5.50	2.31	2.75	3.25	1.29	0.43	0.92	30.14
1954	3.78	0.45	0.98	8.04	3.60	0.58	0.96	1.06	2.98	5.60	2.23	1.00	31.26
1953	1.38	1.22	4.48	4.44	2.29	0.00	1.31	2.38	1.80	3.43	3.91	1.98	28.62
1952	1.64	2.70	2.48	7.42	6.57	1.62	0.85	M	M	M	5.30	1.54	NA
1951	2.37	3.36	1.19	1.33	4.13	5.42	1.55	0.45	3.20	3.58	1.24	M	NA
1950	3.88	6.83	1.60	5.64	7.08	2.81	5.80	1.97	3.40	0.40	0.65	0.00	40.06
1949	8.39	7.65	3.34	3.81	9.52	1.01	0.62	1.91	2.74	10.16	0.33	1.67	51.15
1948	2.57	1.67	3.34	1.52	4.70	3.94	3.78	1.34	0.22	1.84	1.10	1.88	27.90
1947	2.36	0.51	2.73	3.69	2.16	5.46	0.00	6.40	4.03	1.64	3.31	5.61	37.90
1946									0.75	1.84	13.27	3.89	NA
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann

Location below

Map of the Rockwall region

Map from tiger.census.gov