
Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. 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)