Jump to content

Template:Johannesburg weatherbox

From Wikipedia, the free encyclopedia
Climate data for Johannesburg (Averages: 1961–1990 – extremes: 1951–1990)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 41.4
(106.5)
33.5
(92.3)
31.9
(89.4)
29.3
(84.7)
26.4
(79.5)
23.1
(73.6)
24.4
(75.9)
26.2
(79.2)
30.0
(86.0)
32.2
(90.0)
38.5
(101.3)
39.4
(102.9)
41.4
(106.5)
Mean maximum °C (°F) 30.2
(86.4)
29.1
(84.4)
28.0
(82.4)
25.5
(77.9)
23.0
(73.4)
20.4
(68.7)
21.1
(70.0)
24.4
(75.9)
28.4
(83.1)
29.4
(84.9)
29.5
(85.1)
29.8
(85.6)
31.4
(88.5)
Mean daily maximum °C (°F) 25.6
(78.1)
25.1
(77.2)
24.0
(75.2)
21.1
(70.0)
18.9
(66.0)
16.0
(60.8)
16.7
(62.1)
19.4
(66.9)
22.8
(73.0)
23.8
(74.8)
24.2
(75.6)
25.2
(77.4)
21.9
(71.4)
Daily mean °C (°F) 19.5
(67.1)
19.0
(66.2)
18.0
(64.4)
15.3
(59.5)
12.6
(54.7)
9.6
(49.3)
10.0
(50.0)
12.5
(54.5)
15.9
(60.6)
17.1
(62.8)
17.9
(64.2)
19.0
(66.2)
15.5
(59.9)
Mean daily minimum °C (°F) 14.7
(58.5)
14.1
(57.4)
13.1
(55.6)
10.3
(50.5)
7.2
(45.0)
4.1
(39.4)
4.1
(39.4)
6.2
(43.2)
9.3
(48.7)
11.2
(52.2)
12.7
(54.9)
13.9
(57.0)
10.1
(50.2)
Mean minimum °C (°F) 11.0
(51.8)
10.3
(50.5)
8.5
(47.3)
4.7
(40.5)
1.6
(34.9)
−1.9
(28.6)
−1.9
(28.6)
−0.6
(30.9)
1.8
(35.2)
4.7
(40.5)
7.3
(45.1)
9.5
(49.1)
−3.1
(26.4)
Record low °C (°F) 7.2
(45.0)
6.0
(42.8)
2.1
(35.8)
0.5
(32.9)
−2.5
(27.5)
−8.2
(17.2)
−5.1
(22.8)
−5.0
(23.0)
−3.3
(26.1)
0.2
(32.4)
1.5
(34.7)
3.5
(38.3)
−8.2
(17.2)
Average precipitation mm (inches) 125
(4.9)
90
(3.5)
91
(3.6)
54
(2.1)
13
(0.5)
9
(0.4)
4
(0.2)
6
(0.2)
27
(1.1)
72
(2.8)
117
(4.6)
105
(4.1)
713
(28.1)
Average precipitation days (≥ 0.1 mm) 15.9 11.2 11.9 8.6 2.9 2.0 1.0 2.1 3.8 9.8 15.2 14.9 99.3
Average relative humidity (%) 69 70 68 65 56 53 49 46 47 56 65 66 59
Mean monthly sunshine hours 250.1 224.8 238.8 236.9 276.0 266.9 283.9 284.1 280.8 269.5 248.7 263.9 3,124.4
Mean daily daylight hours 13.6 13.0 12.2 11.5 10.8 10.5 10.7 11.2 12.0 12.7 13.4 13.8 12.1
Average ultraviolet index 14 14 12 9 6 5 5 7 9 12 14 14 10
Source 1: World Meteorological Organization,[1] NOAA[2]
Source 2: South African Weather Service[3] Weather Atlas[4]

References

  1. ^ "World Weather Information Service – Johannesburg". World Meteorological Organization. Retrieved 8 April 2013.
  2. ^ "Johannesburg/Jan Smuts Climate Normals 1961–1990". National Oceanic and Atmospheric Administration. Retrieved 8 April 2013.
  3. ^ "Climate data for Johannesburg". South African Weather Service. Archived from the original on 8 March 2010. Retrieved 6 March 2010.
  4. ^ "Monthly weather forecast and climate Johannesburg, South Africa". Weather Atlas. Retrieved 11 June 2020.