Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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)