Rockwall Climatology

Mississippi Valley Summer Heat Wave; Severe Thunderstorms and Flooding Possible to the North

A dangerous summer heat wave will continue much of the Plains, Mid/Lower Mississippi Valley, Southeast U.S. today and Thursday. Areas of severe thunderstorms may occur today and again on Thursday from parts of the northern/central Rockies and High Plains into the Ohio Valley and Carolinas. Excessive rainfall over similar areas may bring flash flooding today and Thursday. 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