| Climate data for Cairo (Cairo International Airport) 1991–2020 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 31.0 (87.8) |
34.2 (93.6) |
37.9 (100.2) |
43.2 (109.8) |
47.8 (118.0) |
46.4 (115.5) |
42.6 (108.7) |
43.4 (110.1) |
43.7 (110.7) |
41.0 (105.8) |
37.4 (99.3) |
30.2 (86.4) |
47.8 (118.0) |
| Mean daily maximum °C (°F) | 18.9 (66.0) |
20.5 (68.9) |
23.8 (74.8) |
28.1 (82.6) |
32.2 (90.0) |
34.6 (94.3) |
35.0 (95.0) |
34.9 (94.8) |
33.4 (92.1) |
30.0 (86.0) |
24.9 (76.8) |
20.5 (68.9) |
28.1 (82.6) |
| Daily mean °C (°F) | 14.4 (57.9) |
15.6 (60.1) |
18.3 (64.9) |
21.8 (71.2) |
25.6 (78.1) |
28.2 (82.8) |
29.1 (84.4) |
29.2 (84.6) |
27.6 (81.7) |
24.6 (76.3) |
20.0 (68.0) |
15.9 (60.6) |
22.5 (72.5) |
| Mean daily minimum °C (°F) | 10.1 (50.2) |
11.0 (51.8) |
13.2 (55.8) |
15.9 (60.6) |
19.3 (66.7) |
22.2 (72.0) |
23.8 (74.8) |
24.3 (75.7) |
22.7 (72.9) |
20.0 (68.0) |
15.6 (60.1) |
11.7 (53.1) |
17.5 (63.5) |
| Record low °C (°F) | 1.2 (34.2) |
3.6 (38.5) |
5.0 (41.0) |
7.6 (45.7) |
12.3 (54.1) |
16.0 (60.8) |
18.2 (64.8) |
19.0 (66.2) |
14.5 (58.1) |
12.3 (54.1) |
5.2 (41.4) |
3.0 (37.4) |
1.2 (34.2) |
| Average precipitation mm (inches) | 4.8 (0.19) |
3.8 (0.15) |
6.3 (0.25) |
1.3 (0.05) |
0.2 (0.01) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0.7 (0.03) |
4.3 (0.17) |
3.4 (0.13) |
24.8 (0.98) |
| Average precipitation days (≥ 1.0 mm) | 1.3 | 2.0 | 1.2 | 1.3 | 0.6 | 0.6 | 0.7 | 1.0 | 0.7 | 0.1 | 0.6 | 0.8 | 11.0 |
| Average relative humidity (%) | 59 | 54 | 53 | 47 | 46 | 49 | 58 | 61 | 60 | 60 | 61 | 61 | 56 |
| Average dew point °C (°F) | 5.2 (41.4) |
5.0 (41.0) |
6.1 (43.0) |
7.5 (45.5) |
10.1 (50.2) |
13.9 (57.0) |
17.5 (63.5) |
18.3 (64.9) |
16.7 (62.1) |
14.0 (57.2) |
10.7 (51.3) |
6.7 (44.1) |
11.0 (51.8) |
| Mean monthly sunshine hours | 213 | 234 | 269 | 291 | 324 | 357 | 363 | 351 | 311 | 292 | 248 | 198 | 3,451 |
| Percent possible sunshine | 66 | 75 | 73 | 75 | 77 | 85 | 84 | 86 | 84 | 82 | 78 | 62 | 77 |
| Average ultraviolet index | 4 | 5 | 7 | 9 | 10 | 11.5 | 11.5 | 11 | 9 | 7 | 5 | 3 | 7.8 |
| Source 1: NOAA (humidity, dew point, records 1961–1990)[1][2] | |||||||||||||
| Source 2: Danish Meteorological Institute for sunshine (1931–1960)[3] and Weather2Travel (ultraviolet)[4] | |||||||||||||
References
- ^ "Cairo Airport Normals 1991–2020". World Meteorological Organization Climatological Standard Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 2 October 2023. Retrieved 2 October 2023.
- ^ "Cairo (A)". World Meteorological Organization Climatological Reference Normals (1961–1990). National Oceanic and Atmospheric Administration. Archived from the original on 2 October 2023. Retrieved 2 October 2023.
- ^ Cappelen, John; Jensen, Jens. "Egypten - Cairo" (PDF). Climate Data for Selected Stations (1931–1960) (in Danish). Danish Meteorological Institute. p. 82. Archived from the original (PDF) on April 27, 2013. Retrieved April 14, 2014.
- ^ "Cairo Climate Guide: Monthly Weather, Egypt". Retrieved 29 June 2019.