Lewisville Climatology

Thunderstorms and Heavy Rain from the Southern Plains through the Southeast

Scattered to severe thunderstorms and heavy rain may produce hail, damaging winds, and localized flash flooding across portions of the southern Plains and Southeast. Another area of heavy rain will develop over parts of the Ohio Valley/Central Appalachians and create mainly localized areas of flash flooding. Read More >

Lewisville Dam (Denton County)

33º 04' N 97º 01' W

556 ft

30 Year Precipitation Normals (1991-2020)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Month	2.24	2.34	3.40	3.43	4.36	3.77	2.29	2.00	2.82	4.25	2.62	2.96	36.48
Monthly Precipitation
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
2025	3.47	0.85	1.63
2024	2.43	1.52	4.26	6.22	10.27	4.40	1.75	0.37	1.68	0.45	1.48	3.51	38.34
2023	1.04	4.27	1.75	0.90	2.53	1.48	0.87	0.00	1.00	10.60	0.48	2.80	27.72
2022	0.07	1.57	1.59	4.52	3.02	3.77	0.06	5.42	1.58	5.25	5.27	2.15	34.27
2021	2.26	2.66	1.87	3.44	5.56	4.35	3.84	2.29	0.13	4.80	2.27	0.37	33.84
2020	3.43	2.95	7.15	2.44	5.23	5.30	4.97	4.55	1.17	1.50	0.86	1.34	40.89
2019	1.77	1.43	1.75	7.81	6.95	4.40	0.72	3.75	0.00	5.30	1.74	1.34	36.96
2018	0.59	7.96	4.77	0.87	2.00	1.95	0.38	4.06	15.21	13.41	1.39	4.67	57.26
2017	3.67	1.79	3.55	2.11	1.21	8.83	1.25	5.58	0.73	2.32	0.81	4.09	35.94
2016	0.80	2.47	3.20	4.34	4.81	6.77	3.04	0.74	2.19	4.35	2.52	0.67	35.90
2015	2.44	2.02	1.65	8.52	9.67	3.93	2.75	0.00	0.34	6.04	11.66	4.35	53.37
2014	0.33	0.61	1.48	1.74	1.85	2.91	1.57	4.79	0.06	3.13	2.12	1.16	21.75
2013	4.06	1.12	2.45	1.88	2.32	2.82	1.53	0.66	2.61	2.03	2.38	1.36	24.76
2012	6.26	1.83	5.91	3.05	1.48	2.29	0.03	3.01	1.66	0.81	0.00	1.51	27.84
2011	1.79	0.89	0.08	2.56	5.23	3.50	0.00	1.10	0.74	0.83	1.35	4.33	22.40
2010	2.46	3.05	3.14	2.05	2.45	1.96	5.18	0.45	7.90	1.10	1.70	1.54	32.98
2009	0.33	2.35	5.11	3.77	6.69	2.46	3.14	0.56	7.56	9.46	1.32	2.04	44.79
2008	0.04	1.45	6.99	6.19	2.91	2.81	1.05	3.24	1.22	1.67	2.05	0.64	NA
2007	4.99	0.53	4.93	3.42	7.83	12.30	5.03	0.63	3.23	4.08	1.29	2.03	50.29
2006	2.11	2.79	4.48	2.28	1.58	0.31	0.28	2.00	2.41	4.09	1.68	4.77	28.78
2005	4.33	1.52	3.97	0.15	3.17	1.28	0.65	2.81	0.21	0.02	0.10	0.23	18.44
2004	2.51	4.09	3.18	4.56	2.33	9.17	6.23	4.49	2.23	4.32	7.53	0.62	51.26
2003	0.24	3.08	1.26	3.62	M	4.32	0.60	1.49	7.43	1.35	3.21	0.92	NA
2002	5.13	1.24	7.90	4.12	3.65	1.57	2.85	0.44	0.90	7.76	0.55	4.21	40.32
2001	1.83	3.45	6.15	0.78	6.46	3.08	0.69	3.14	2.20	1.47	0.75	2.86	32.86
2000	1.95	1.88	2.67	4.54	5.48	5.78	0.16	0.00	0.45	5.72	6.44	4.15	39.22
1999	1.14	0.36	2.43	4.13	6.70	1.31	0.11	0.00	0.98	1.90	0.13	2.89	22.08
1998	3.13	5.02	4.75	2.03	4.48	2.13	0.30	0.88	1.32	7.35	4.67	7.88	43.94
1997	M	M	M	5.79	M	M	M	1.99	2.80	9.62	M	6.64	NA
1996	NOT AVAILABLE
1995	2.15	0.51	9.04	5.96	6.03	2.08	2.75	0.25	M	1.61	M	M	NA
1994	1.32	1.62	M	M	5.80	1.42	8.80	0.25	4.22	8.97	M	1.57	NA
1993	1.95	5.67	2.58	M	M	2.40	0.00	M	M	5.29	1.83	2.01	NA
1992	M	2.37	2.56	M	5.44	5.34	2.79	2.55	4.44	2.51	3.49	4.36	NA
1991	2.75	1.83	0.75	5.25	5.65	5.14	1.84	3.72	4.82	M	M	10.33	NA
1990	7.99	M	7.24	9.04	M	M	2.64	M	M	M	3.86	1.18	NA
1989	4.78	3.91	3.31	1.27	6.89	13.38	4.39	1.35	3.76	M	0.12	M	NA
1988	M	M	1.89	1.17	3.57	1.48	3.43	M	3.43	0.98	2.12	2.80	NA
1987	1.97	M	M	0.23	9.16	5.53	M	M	M	M	M	M	NA
1986	0.00	3.21	1.63	6.74	5.68	6.57	0.25	2.43	5.66	2.58	M	2.36	37.11
1985	0.84	3.85	4.24	8.29	2.22	3.62	0.67	0.30	4.99	4.73	2.58	0.82	37.15
1984	1.17	3.61	4.27	1.10	4.06	2.55	0.14	2.17	0.21	7.15	2.16	3.76	32.35
1983	0.77	3.29	3.03	1.12	7.15	2.08	1.39	3.74	0.40	5.46	2.49	0.66	31.58
1982	3.20	2.01	1.68	2.64	14.61	3.03	2.48	0.96	0.53	2.59	3.89	3.43	41.05
1981	0.55	0.62	5.76	2.84	8.71	5.56	3.78	2.23	2.36	15.75	4.89	0.17	53.22
1980	2.66	1.00	1.36	1.19	2.08	0.68	0.37	0.00	8.69	2.14	1.25	2.22	23.64
1979	3.37	1.96	6.31	2.91	6.16	0.64	0.70	3.10	1.26	2.88	0.47	2.56	32.32
1978	1.65	3.80	2.72	2.58	8.40	0.70	0.26	0.89	1.41	0.58	3.05	0.81	26.85
1977	3.02	2.31	6.24	3.29	1.60	1.06	1.35	3.97	0.63	1.15	0.73	0.22	25.57
1976	0.17	0.61	2.89	6.53	6.63	3.15	1.59	0.35	3.62	4.23	0.45	2.28	32.50
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
1975	1.75	3.94	1.69	2.96	5.83	3.04	2.22	1.52	0.86	0.00	1.73	1.49	27.03
1974	1.08	1.14	0.87	5.69	1.03	5.43	1.11	5.82	5.37	6.03	3.08	1.70	38.35
1973	3.04	2.21	3.60	5.50	3.67	5.77	4.99	0.01	6.96	5.23	1.64	0.89	43.51
1972	0.68	0.31	1.01	2.80	2.24	2.02	0.61	1.23	3.30	7.65	4.42	0.55	26.82
1971	1.09	1.41	0.36	1.69	3.04	1.53	6.76	3.68	4.14	8.40	1.96	7.68	41.74
1970	0.72	5.38	2.76	5.57	2.97	0.19	0.79	2.49	5.80	2.03	0.38	0.84	29.92
1969	4.27	2.63	4.65	3.25	7.61	2.59	0.43	3.28	2.55	5.31	0.53	3.19	40.29
1968	4.21	1.41	6.94	5.42	3.62	3.32	2.90	2.24	6.36	2.78	3.65	1.81	44.66
1967	0.40	1.26	2.50	5.83	6.21	0.90	2.01	1.06	6.94	3.81	1.20	2.16	34.28
1966	1.20	2.65	1.07	11.98	2.70	3.70	0.73	5.47	3.19	1.19	0.52	1.20	35.60
1965	3.05	5.16	1.36	2.42	6.00	3.05	0.56	1.95	6.47	1.86	1.86	1.66	35.40
1964	M	1.38	4.15	3.72	7.58	0.67	1.77	5.47	15.56	0.65	7.19	1.28	NA
1963	0.44	0.06	1.20	4.45	2.48	0.35	1.93	0.17	0.67	0.00	0.99	1.17	13.91
1962	0.92	1.18	2.21	4.61	1.06	5.02	8.50	2.64	4.51	3.62	2.06	1.16	37.49
1961	3.44	2.84	3.35	0.87	1.34	5.96	4.53	0.00	3.57	2.51	3.26	2.39	34.06
1960	2.91	1.96	1.15	1.87	3.53	2.76	2.92	7.78	1.06	1.15	0.62	4.23	31.94
1959	0.30	1.41	0.92	1.72	3.31	5.70	7.53	1.00	1.37	10.28	0.75	2.65	36.94
1958	1.96	0.92	4.34	7.03	3.62	5.29	1.69	0.98	2.78	0.65	2.22	0.84	32.32
1957	1.03	2.54	4.89	13.08	10.19	1.67	0.34	0.44	4.28	2.68	4.90	1.82	47.86
1956	1.15	3.63	0.49	0.55	2.42	1.47	0.67	0.73	0.03	1.83	2.58	2.29	17.84
1955	1.15	2.53	3.14	1.92	4.71	3.82	0.19	0.48	2.72	0.00	0.00	0.76	21.42
1954	2.17	0.38	0.47	3.65	4.40	3.11	0.84	1.22	0.90	3.94	1.41	1.32	23.81
1953	0.49	1.61	2.98	5.05	2.92	0.69	0.75	1.56	2.03	3.62	2.95	1.38	26.03
1952	0.42	1.42	2.02	6.99	3.93	0.10	0.89	1.72	0.14	0.05	6.90	2.42	27.00
1951	1.09	2.12	1.01	2.04	3.74	5.64	2.77	1.73	2.50	2.37	1.67	0.42	27.10
1950	M	4.26	M	M	6.36	3.05	5.91	3.16	4.12	0.56	0.12	0.00	NA
1949							0.77	M	M	M	M	M	NA
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann