
Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >
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Please note: The data on this page are not considered official data. Final and certified data are available from the National Climatic Data Center (NCDC) - https://www.ncdc.noaa.gov.
MONTHLY NORMALS AND EXTREMES -- Huntsville, AL
(Normals based on 1991-2020 data.)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Norm High | 52.3 | 57.1 | 65.5 | 74.8 | 82.5 | 89.1 | 91.5 | 91.3 | 86.5 | 76.0 | 63.9 | 55.0 | 73.8 |
| Norm Low | 33.1 | 36.4 | 43.0 | 51.0 | 60.2 | 68.0 | 71.1 | 69.7 | 63.4 | 51.8 | 41.2 | 35.9 | 52.1 |
| Norm Avg | 42.7 | 46.7 | 54.2 | 62.9 | 71.3 | 78.6 | 81.3 | 80.5 | 74.9 | 63.9 | 52.5 | 45.5 | 62.9 |
| Record High (Year)* |
79 |
83 (1996) |
90 (1929) |
95 (1925) |
99 (1926) |
108 (1931) |
111 (1930) |
108 (1930) |
108 (1925) |
100 (2019) |
88 (2016) |
81 (1956) |
111 (1930) |
| Record Low (Year)* |
-11 (1985) |
-8 (1958) |
6 (1980) |
24 (1923) |
32 (1944) |
42 (1956) |
49 (1944) |
50 (1917) |
37 (1967) |
23 (1952) |
1 (1950) |
-3 (1989) |
-11 (1985) |
| HDD** | 692 | 513 | 349 | 132 | 23 | 0 | 0 | 0 | 8 | 122 | 383 | 609 | 2831 |
| CDD*** | 1 | 2 | 16 | 69 | 220 | 407 | 505 | 480 | 306 | 88 | 10 | 3 | 2107 |
| Normal Precipitation | 4.99 | 5.11 | 5.39 | 4.86 | 4.67 | 4.06 | 4.49 | 3.55 | 3.49 | 3.56 | 4.25 | 5.87 | 54.29 |
| Record Max Precipitation (Year) |
11.40 (1937) |
13.63 (2019) |
17.00 (1980) |
14.00 (1911) |
11.88 (1983) |
14.99 (1989) |
14.81 (1967) |
12.61 (1901) |
12.48 (1906) |
12.06 (1975) |
13.60 (1948) |
18.68 (1990) |
73.58 (1989) |
| Record Min Precipitation (Year)* |
1.28 (1914) |
0.59 (1978) |
0.50 (1910) |
0.25 (1906) |
0.32 (1951) |
0.17 (1988) |
0.60 (1902) |
0.08 (1918) |
0.00 (1916) |
0.00 (1924) |
0.49 (1924) |
0.58 (1945) |
28.65 (2007) |
| Normal Snowfall | 0.7 | 1.0 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 2.4 |
| Max Snowfall (Year) |
10.2 (1940) |
8.8 (2015) |
7.3 (1993) |
T (2014) |
0 | 0 | 0 | 0 | 0 | T (1993) |
4.0 (1966) |
21.4 (1963) |
24.0 (1963) |
* In some instances, similar values occurred in more than one year. The years listed represent the most recent occurrence.
** HDD = Heating Degree Days
*** CDD = Cooling Degree Days
DAILY NORMALS AND EXTREMES -- Huntsville, AL
(Normals based on 1981-2010 data)