Independence Day climatology is available going back to 1878. Here’s a breakdown through 2021.

July 4th Normals 1878-2021
High: 84.4
Low: 64
Mean: 74
Precipitation: 0.12″

July 4th Normals 1991-2020
High: 85
Low: 65
Mean: 75
Precipitation: 0.15″

Top 10 Coldest July 4th Highs
1. 1882, 1922: 69
2. 1924, 1967, 1978, 2008: 71
3. 1909, 1927, 1972, 1979, 2016: 72
4. 1920: 73
5. 1937, 1989: 74
6. 1892, 1910, 1940, 1941, 1960, 1997, 2009: 76
7. 1917, 1964, 1968, 1970, 1976, 2013: 77
8. 1891, 1961, 2014: 78
9. 1889, 1933, 1996, 2001, 2015: 79
10. 1898, 1906, 1926, 1938, 1962, 1992; 80

Top 10 Warmest July 4th Highs
1. 1911: 104
2. 1897: 102
3. 2012: 100
4. 1919: 97
5. 1900, 1921, 1949, 2002: 96
6. 1990, 1999: 95
7. 1903, 1948, 2020: 94
8. 1881, 1883, 1899, 1918, 1958, 1988, 2018: 93
9. 1913, 1993, 2003: 92
10. 1880, 1901, 1902, 1931, 1944, 1974, 2010: 91

Top 10 Coldest July 4th Lows
1. 1968: 47
2. 1963: 49
3. 1996: 50
4. 1986: 51
5. 1927, 1940: 52
6. 1960, 1961, 1965, 1972: 53
7. 1892, 1909, 1924, 1930, 1979: 54
8. 1895, 1907: 55
9. 1891, 1915, 1922, 1976, 1992: 56
10. 1953, 1964, 1967, 1988, 2014: 57

Top 10 Warmest July 4th Lows
1. 1911: 79
2. 1897, 1900, 1999: 75
3. 1879, 1921: 74
4. 1883, 1902, 2012, 2018: 73
5. 1899, 1919, 1991, 2002, 2004; 72
6. 1884, 1903, 1913, 1943, 1974, 2005, 2013: 71
7. 1888, 1896, 1901, 1980, 2003, 2011: 70
8. 1878, 1905, 1908, 1935, 1949, 1957, 1966, 1983, 1987, 2000, 2006: 69
9. 1881, 1887, 1894, 1936, 1954, 1973, 1984, 1989, 1990, 1993, 1995, 2020: 68
10. 1912, 1928, 1934, 1939, 1952, 1956, 1969, 1975, 1998, 2017: 67

Top 10 Coldest July 4th Means
1. 1927, 1968: 62.0
2. 1922, 1924, 1972: 62.5
3. 1909, 1979: 63.0
4. 1882: 63.5
5. 1940, 1967: 64.0
6. 1960, 1996: 64.5
7. 1892, 1963: 65.0
8. 1961: 65.5
9. 1920: 66.0
10. 1976, 1986, 2008: 66.5

Top 10 Warmest July 4th Means
1. 1911: 91.5
2. 1897: 88.5
3. 2012: 86.5
4. 1900: 85.5
5. 1921, 1999: 85.0
6. 1919: 84.5
7. 2002: 84.0
8. 1883, 2018: 83.0
9. 1899, 1903, 1949: 82.5
10. 1902: 82.0

Top 10 Wettest July 4ths
1. 1984: 1.38″
2. 1935: 1.04″
3. 1915: 0.86″
4. 1932: 0.84″
5. 1957: 0.66″
6. 2008: 0.61″
7. 1939: 0.60″
8. 2003: 0.59″
9. 1926: 0.58″
10. 2006: 0.56″

The July Weather Records provides additional detailed information on the rest of the month.