Lewisville Climatology

Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. 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
2026	1.67	1.76	3.06	4.32	4.13	8.12
2025	3.47	0.85	1.63	3.65	6.54	4.21	2.96	2.45	4.51	3.13	4.31	0.06	37.77
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