| Climate data for Memphis (Memphis Int'l), 1991−2020 normals,[a] extremes 1875−present[b] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 79 (26) |
81 (27) |
87 (31) |
94 (34) |
99 (37) |
104 (40) |
108 (42) |
107 (42) |
103 (39) |
98 (37) |
86 (30) |
81 (27) |
108 (42) |
| Mean maximum °F (°C) | 70.5 (21.4) |
73.5 (23.1) |
80.2 (26.8) |
85.3 (29.6) |
90.7 (32.6) |
95.9 (35.5) |
98.1 (36.7) |
98.5 (36.9) |
95.3 (35.2) |
88.5 (31.4) |
79.1 (26.2) |
71.4 (21.9) |
99.9 (37.7) |
| Mean daily maximum °F (°C) | 50.9 (10.5) |
55.5 (13.1) |
64.2 (17.9) |
73.4 (23.0) |
81.7 (27.6) |
89.4 (31.9) |
91.9 (33.3) |
91.5 (33.1) |
86.0 (30.0) |
75.1 (23.9) |
62.6 (17.0) |
53.4 (11.9) |
73.0 (22.8) |
| Daily mean °F (°C) | 42.1 (5.6) |
46.1 (7.8) |
54.2 (12.3) |
63.2 (17.3) |
72.1 (22.3) |
79.9 (26.6) |
82.8 (28.2) |
82.1 (27.8) |
76.0 (24.4) |
64.6 (18.1) |
52.7 (11.5) |
44.8 (7.1) |
63.4 (17.4) |
| Mean daily minimum °F (°C) | 33.3 (0.7) |
36.7 (2.6) |
44.3 (6.8) |
53.0 (11.7) |
62.4 (16.9) |
70.4 (21.3) |
73.6 (23.1) |
72.6 (22.6) |
65.9 (18.8) |
54.0 (12.2) |
42.9 (6.1) |
36.2 (2.3) |
53.8 (12.1) |
| Mean minimum °F (°C) | 16.0 (−8.9) |
20.8 (−6.2) |
26.3 (−3.2) |
37.3 (2.9) |
48.4 (9.1) |
60.4 (15.8) |
67.0 (19.4) |
64.8 (18.2) |
52.4 (11.3) |
38.0 (3.3) |
27.3 (−2.6) |
21.1 (−6.1) |
13.6 (−10.2) |
| Record low °F (°C) | −8 (−22) |
−11 (−24) |
12 (−11) |
27 (−3) |
36 (2) |
48 (9) |
52 (11) |
48 (9) |
36 (2) |
25 (−4) |
9 (−13) |
−13 (−25) |
−13 (−25) |
| Average precipitation inches (mm) | 4.14 (105) |
4.55 (116) |
5.74 (146) |
5.87 (149) |
5.27 (134) |
3.99 (101) |
4.82 (122) |
3.37 (86) |
3.03 (77) |
3.98 (101) |
4.69 (119) |
5.49 (139) |
54.94 (1,395) |
| Average snowfall inches (cm) | 0.9 (2.3) |
1.0 (2.5) |
0.5 (1.3) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.1 (0.25) |
0.2 (0.51) |
2.7 (6.9) |
| Average precipitation days (≥ 0.01 in) | 10.0 | 9.9 | 11.5 | 9.6 | 10.6 | 8.9 | 9.5 | 7.6 | 7.1 | 7.5 | 9.0 | 10.2 | 111.4 |
| Average snowy days (≥ 0.1 in) | 1.0 | 0.8 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.3 | 2.6 |
| Average relative humidity (%) | 68.2 | 66.4 | 63.2 | 62.5 | 66.4 | 66.8 | 69.1 | 69.6 | 71.3 | 66.2 | 67.7 | 68.8 | 67.2 |
| Average dew point °F (°C) | 28.6 (−1.9) |
31.8 (−0.1) |
39.4 (4.1) |
48.6 (9.2) |
58.3 (14.6) |
65.7 (18.7) |
70.0 (21.1) |
68.5 (20.3) |
63.1 (17.3) |
50.2 (10.1) |
41.0 (5.0) |
32.7 (0.4) |
49.8 (9.9) |
| Mean monthly sunshine hours | 166.6 | 173.8 | 215.3 | 254.6 | 301.5 | 320.6 | 326.9 | 307.0 | 251.2 | 245.9 | 173.0 | 151.9 | 2,888.3 |
| Percent possible sunshine | 53 | 57 | 58 | 65 | 69 | 74 | 74 | 74 | 68 | 70 | 56 | 50 | 65 |
| Average ultraviolet index | 2.4 | 3.7 | 5.6 | 7.5 | 8.8 | 9.5 | 9.7 | 8.8 | 7.1 | 4.8 | 3.0 | 2.2 | 6.0 |
| Source 1: NOAA (relative humidity and dew point 1961−1990, sun 1961−1987)[2][3][4] | |||||||||||||
| Source 2: UV Index Today (1995 to 2022)[5] | |||||||||||||
- ^ Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020.
- ^ Official records for Memphis were kept at downtown from January 1875 to December 1939 and at Memphis Int'l since January 1940.[1]
- ^ NCDC-NOAA (2015). "ThreadEx [Long-Term Station Extremes for America], Version 10.1, released 2 April 2015". Ithaca, NY, USA: Northeast Regional Climate Center (NRCC, Keith Eggleston) and National Oceanic and Atmospheric Administration (NOAA, Bryant Korzeniewski). Retrieved 2 December 2015.
- ^ "NowData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 25, 2021.
- ^ "Station: Memphis INTL AP, TN". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic & Atmospheric Administration. Retrieved May 25, 2021.
- ^ "WMO Climate Normals for MEMPHIS/WSCMO AP TN 1961–1990". National Oceanic and Atmospheric Administration. Retrieved March 10, 2014.
- ^ "Historical UV Index Data - Memphis, TN". UV Index Today. Retrieved April 23, 2023.