
Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. 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)