National Weather Service United States Department of Commerce

Massive Heat Wave; Severe Storms and Heavy Rain

A massive heat wave is consuming much of the Midwest into the Southern tier of the U.S. with hazy, hot and humid conditions. These dangerous conditions will likely persist through Thursday as widespread excessive heat warnings and heat advisories are in effect. North and east of the heat and area of high pressure, thunderstorms with damaging and severe winds, large hail and heavy rain are likely. Read More >

  National Weather Service Dallas/Fort Worth  

McKinney (Collin County)

33º 10' N 96º 37' W

595 ft

30 Year Normals (1981-2010)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
N
o
r
m
a
l
Maximum (°F) 51.8 55.8 63.3 71.7 78.9 86.3 91.5 92.4 84.4 74.3 62.9 53.4 72.2
Minimum (°F) 30.1 33.9 41.5 50.6 60.5 67.6 71.0 69.7 62.7 51.6 41.6 32.5 51.1
Precipitation (in.) 2.63 3.17 4.06 3.69 5.72 4.48 2.43 1.90 3.03 4.31 3.85 3.05 42.32
Degree
Days
Heating 745 564 398 158 25 1 0 0 18 133 392 684 3118
Cooling 0 0 7 42 171 359 504 497 275 70 9 1 1935
Monthly Precipitation
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
2009                          
2008 M M 9.13 3.37 M               NA
2007 4.94 0.61 3.86 4.99 4.83 8.46 4.09 2.53 M M M M NA
2006 3.10 M M 2.42 2.32 M M 0.37 3.48 4.56 4.11 M NA
2005 M M M M M M M M 0.60 0.22 1.01 0.31 NA
2004 3.68 5.56 M M M M M M M M M M NA
2003 0.00 3.23 0.70 2.55 5.86 2.13 0.66 1.29 4.84 0.40 3.20 1.65 26.51
2002 5.01 0.96 7.20 4.53 6.67 2.08 2.69 2.58 1.56 7.95 0.72 3.35 45.30
2001 3.55 6.99 6.11 1.60 6.32 2.58 0.47 5.46 5.54 1.83 1.16 3.77 45.38
2000 2.32 2.30 2.65 1.94 6.25 5.77 0.43 0.00 0.83 0.34 9.09 5.83 37.75
1999 5.14 0.62 2.28 2.72 7.61 1.21 0.12 0.15 1.45 2.32 1.64 4.05 29.31
1998 7.17 3.37 3.69 1.91 2.46 2.37 1.93 0.23 3.40 6.44 5.38 7.49 45.84
1997 0.79 9.31 3.29 7.98 2.45 6.45 1.17 2.95 0.65 5.21 2.57 7.70 50.52
1996 2.02 0.63 3.16 3.15 2.41 3.08 3.69 6.17 2.94 6.46 7.96 0.37 42.04
1995 2.47 0.73 8.38 4.92 9.50 3.25 1.87 0.45 3.30 0.56 1.07 1.92 38.42
1994 1.01 1.74 2.59 5.52 7.46 2.01 7.00 2.18 5.24 8.95 9.10 2.90 55.70
1993 2.54 6.25 2.75 4.63 1.64 2.96 0.00 0.56 3.23 7.36 2.12 2.34 36.38
1992 4.28 2.83 4.60 1.58 6.69 4.50 3.59 0.46 4.29 1.66 3.36 4.25 42.09
1991 4.48 2.19 2.22 7.28 3.86 6.05 1.10 4.10 1.61 11.01 1.97 8.63 54.50
1990 4.54 7.29 6.44 8.09 7.68 1.68 1.97 5.31 3.30 3.42 5.00 2.94 57.66
1989 3.02 4.57 5.75 1.57 9.64 12.09 7.79 2.05 1.97 2.20 0.48 0.64 51.77
1988 1.14 0.95 2.68 1.79 0.39 3.98 2.25 1.05 6.60 1.07 3.52 3.40 28.82
1987 2.17 4.21 2.20 0.09 9.63 6.68 1.85 0.74 4.36 1.04 5.75 4.28 43.00
1986 0.00 2.91 1.12 6.90 9.16 6.22 0.04 0.52 3.89 2.08 4.99 2.60 40.43
1985 1.50 2.50 5.39 4.36 2.90 1.86 4.36 0.10 2.40 5.07 6.08 1.30 37.82
1984 1.46 4.20 4.09 2.08 4.45 2.86 0.13 5.59 0.61 8.46 3.25 6.59 43.77
1983 1.01 4.67 3.42 0.46 6.33 6.49 2.16 1.94 1.53 3.26 3.26 1.23 35.76
1982 3.69 1.96 1.56 2.04 16.70 4.70 2.52 1.92 0.71 2.92 4.92 3.75 47.39
1981 0.73 1.17 4.30 3.60 6.93 9.15 3.89 0.63 1.29 12.96 4.93 0.20 49.78
1980 2.68 1.33 1.24 2.36 2.55 2.41 0.37 1.14 7.43 1.40 1.52 2.16 26.59
1979 4.13 2.78 5.89 2.71 7.98 0.99 4.80 5.66 1.48 2.64 0.57 2.71 42.34
1978 1.72 3.98 2.30 2.21 7.02 1.85 0.24 3.19 2.12 0.09 5.73 1.63 32.08
1977 3.23 2.50 6.78 5.41 1.36 2.74 1.04 5.15 1.95 0.13 2.17 0.78 33.24
1976 0.19 0.78 3.58 3.26 8.72 2.27 3.55 0.94 4.48 4.01 0.60 2.83 35.21
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
1975 3.03 4.71 2.21 3.07 7.05 3.41 2.17 2.26 0.29 0.10 1.59 1.34 31.23
1974 1.81 1.10 1.15 7.75 3.08 5.78 0.96 3.63 8.91 4.80 5.00 2.12 46.09
1973 2.92 3.08 4.19 5.21 3.31 6.87 3.51 0.11 8.44 6.56 2.45 1.19 47.84
1972 0.88 0.33 0.63 2.56 1.84 2.85 0.18 1.48 2.04 6.11 3.71 1.00 23.61
1971 0.80 2.16 0.53 2.36 3.24 0.67 6.02 4.02 3.71 8.66 1.53 9.08 42.78
1970 1.12 5.87 3.65 4.88 4.00 3.03 0.19 3.30 9.14 2.84 0.40 0.95 39.37
1969 4.29 2.58 5.56 2.98 7.72 3.57 0.00 1.02 2.43 6.33 0.52 3.85 40.85
1968 3.80 1.91 8.08 5.47 5.20 5.64 5.98 1.79 6.67 1.22 3.68 1.16 50.60
1967 0.20 0.90 4.85 4.50 5.94 0.85 1.86 0.95 7.78 4.60 0.70 3.26 36.39
1966 1.14 2.21 1.35 15.62 3.07 3.34 3.13 5.72 5.85 2.02 0.59 1.42 45.46
1965 2.62 5.76 0.72 2.06 7.08 3.32 1.69 3.05 5.98 0.89 3.60 1.78 38.55
1964 1.86 1.58 4.13 4.27 7.17 1.44 0.20 4.76 9.47 0.34 7.31 1.08 43.61
1963 0.46 0.22 2.30 4.23 7.05 0.97 1.39 0.00 2.42 0.17 1.89 1.38 22.48
1962 1.17 2.92 2.79 4.52 1.88 8.33 3.72 2.55 4.63 4.10 3.05 0.83 40.49
1961 2.83 2.66 5.24 1.02 4.04 3.18 2.44 0.93 3.88 2.60 3.03 1.98 33.83
1960 2.86 2.65 1.38 1.74 1.85 2.15 13.27 3.46 2.81 1.87 0.14 6.14 40.32
1959 0.47 1.60 1.77 1.93 2.27 6.53 8.74 2.78 0.58 5.09 1.28 2.32 35.36
1958 2.07 0.91 5.54 6.59 5.83 1.40 2.25 2.08 6.93 0.38 3.08 1.30 38.36
1957 1.26 2.00 4.34 14.42 12.58 2.18 0.12 0.69 4.15 2.72 7.46 1.98 53.90
1956 1.24 3.72 0.51 1.46 3.39 2.85 1.10 0.57 0.13 1.87 3.84 2.63 23.31
1955 1.69 2.32 2.74 2.15 4.81 3.75 2.73 0.14 2.01 2.58 0.00 0.90 25.82
1954 2.38 0.66 0.50 3.85 6.84 2.22 1.24 1.13 3.28 7.73 1.41 1.42 32.66
1953 0.76 1.69 3.19 7.74 3.10 0.29 2.17 1.27 1.50 1.76 3.43 0.83 27.73
1952 0.55 1.42 2.29 5.47 6.59 1.00 1.29 0.82 1.11 0.15 7.40 3.09 31.18
1951 2.28 3.60 1.35 2.10 4.00 10.16 1.85 1.12 1.98 2.65 1.66 0.48 33.23
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
1950 5.73 2.95 1.02 5.10 6.67 4.49 5.99 5.02 2.63 0.37 0.12 0.00 40.09
1949 10.59 3.04 3.21 2.84 5.63 3.76 1.18 0.85 3.33 9.59 0.55 1.60 46.17
1948 2.04 3.38 1.73 1.30 6.36 3.26 2.12 0.30 0.17 1.14 0.83 1.28 23.91
1947 1.57 0.68 3.05 3.22 2.97 4.10 0.00 6.64 2.21 2.45 3.01 4.86 34.76
1946 3.79 4.18 3.30 3.37 8.18 0.74 1.48 2.72 3.57 2.01 10.76 6.08 50.18
1945 1.49 M M 3.72 2.30 6.06 4.27 1.37 4.07 4.85 1.87 0.82 NA
1944 2.53 3.99 1.75 4.29 4.29 0.48 3.24 3.10 2.45 3.00 4.02 4.35 37.49
1943 0.32 1.13 6.31 2.78 5.79 1.78 0.00 0.03 2.89 2.12 0.75 2.62 26.52
1942 0.54 M M M M M M 2.77 3.28 6.15 1.68 2.28 NA
1941 NOT AVAILABLE
1940 1.45 0.70 0.95 9.72 M M M M 0.14 6.59 1.13 1.68 NA
1939 M M 2.60 M M M 0.85 3.00 0.25 M 1.95 0.75 NA
1938 3.20 6.85 M M M M 0.55 0.20 0.35 0.25 2.00 1.35 NA
1937 M M 3.79 1.26 0.50 2.73 0.85 4.30 0.00 5.50 M 1.73 NA
1936 0.60 0.40 0.36 0.10 5.21 0.47 1.00 0.00 9.15 1.75 1.15 2.85 23.04
1935 3.62 2.42 1.34 3.96 9.30 7.20 1.00 1.97 7.40 2.80 0.10 4.17 45.28
1934 2.10 3.36 3.30 4.22 5.77 0.43 0.48 0.00 4.36 0.33 5.50 1.10 30.95
1933 3.65 2.10 2.77 2.78 5.76 0.30 3.77 3.14 2.56 1.26 1.50 3.30 32.89
1932 11.90 4.58 1.34 2.09 4.32 3.46 3.43 7.52 2.72 1.44 0.54 5.05 48.39
1931 1.13 3.31 3.93 2.22 1.57 0.48 1.36 2.19 0.10 6.70 2.63 4.01 29.63
1930 0.95 1.25 1.84 4.01 7.56 0.00 3.40 1.43 1.38 5.20 2.75 2.64 32.41
1929 3.99 2.71 1.90 1.86 10.68 0.92 1.64 0.40 3.77 3.64 1.44 0.73 33.68
1928 0.75 4.26 0.75 6.84 2.01 6.28 4.25 0.10 0.82 5.28 3.92 6.46 41.72
1927 2.68 4.43 2.32 7.63 3.49 5.79 6.91 0.14 4.08 8.26 0.00 3.44 49.17
1926 3.59 0.75 2.83 4.74 9.61 4.91 11.01 3.66 0.16 6.65 2.20 4.68 54.79
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
1925 1.38 1.43 1.13 3.12 4.50 0.53 0.69 0.54 1.83 4.18 1.43 0.00 20.76
1924 1.35 1.86 3.75 2.65 4.95 0.84 0.64 2.50 5.19 0.00 2.03 1.95 27.71
1923 3.53 2.38 2.94 3.77 1.96 7.47 0.36 1.65 4.95 3.71 1.26 6.30 40.28
1922 2.60 2.83 2.45 11.03 5.78 2.72 0.75 1.60 0.38 2.96 4.78 0.20 38.08
1921 2.85 3.34 4.37 4.34 3.53 4.04 1.13 0.40 2.76 0.42 0.34 1.46 28.98
1920 4.70 0.90 4.11 2.55 8.22 5.57 2.48 8.51 1.70 5.33 1.65 1.82 47.54
1919 2.25 2.70 2.75 2.75 6.56 3.67 4.38 4.50 1.45 9.79 2.91 1.37 45.08
1918 1.50 0.62 1.73 5.45 2.92 2.19 1.05 0.25 5.80 5.86 8.46 6.13 41.96
1917 1.44 0.61 3.35 6.59 6.21 0.16 2.93 0.86 1.80 0.24 2.62 T 26.81
1916 5.50 0.92 1.20 6.32 3.00 4.32 0.61 1.88 0.03 2.72 2.62 0.27 29.39
1915 2.34 2.61 2.03 7.24 3.34 3.21 1.92 10.35 3.65 3.44 0.62 1.68 42.43
1914 1.38 2.13 3.55 5.82 8.26 0.57 0.87 9.86 1.34 0.60 4.17 2.54 41.09
1913 3.31 1.51 1.78 2.09 4.02 3.00 6.16 0.59 6.54 2.61 4.77 6.09 42.47
1912 0.24 1.30 6.14 6.30 1.55 3.28 1.03 5.53 0.25 1.35 0.23 2.15 29.35
1906-1911 NOT AVAILABLE
1905 M 2.19 5.22 7.69 14.93 4.71 10.92 M M M M M NA
1904 1.37 1.79 3.41 5.56 4.57 7.39 0.27 1.03 1.81 4.11 0.07 0.36 31.74
1903 M M M 0.41 2.02 4.91 5.44 0.34 M M M M NA
1882-1902 NOT AVAILABLE
1881 1.30 18.11 5.32 3.20 34.85 M M M M M M M NA
1880 0.90 6.40 5.51 2.55 4.05 4.35 4.05 1.18 8.97 1.59 2.70 4.43 46.68
1879 2.21 1.10 3.55 10.09 4.30 2.19 0.15 2.50 0.25 5.03 0.80 2.25 34.42
1878 4.65 5.00 1.10 3.06 3.81 13.59 3.70 2.65 3.50 0.65 1.70 1.81 45.22
1877 0.50 13.06 3.10 9.95 3.97 6.28 1.88 1.05 3.23 12.00 12.00 9.10 76.12
1876 6.54 1.52 4.91 4.35 4.38 5.37 2.82 2.02 4.20 4.16 4.08 4.02 48.37
1875 3.06 0.72 4.34 3.02 5.66 1.32 4.69 7.05 1.04 0.05 2.18 5.75 38.88
1874 3.02 3.33 6.02 8.25 1.74 2.21 1.04 0.15 5.30 1.00 3.70 6.37 42.13
1873 1.30 3.35 1.90 2.37 21.95 15.18 2.02 1.51 5.69 2.00 3.55 2.17 62.99
1872   2.01 1.34 2.35 0.07 5.60 1.28 1.00 1.84 NA
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann


Location below

Map of the Mc Kinney region



Map from tiger.census.gov