Lewisville Climatology

Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. 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	3.65	6.54	4.21
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