Johannesburg

=== Climate ===
[[File:A Johannesburg Summers Day.jpg|thumb|left|An aerial photograph of summer rain clouds over Johannesburg. The city's climate experiences regular daily thunderstorms from November to March in the afternoons.]]
Johannesburg is situated on the highveld plateau, and has a [[oceanic climate|subtropical highland climate]] ([[Köppen climate classification|Köppen]] ''Cwb''). The city enjoys a sunny climate, with the summer months (October to April) characterised by hot days followed by afternoon thundershowers and cool evenings, and the winter months (May to September) by dry, sunny days followed by cold nights.<ref>{{cite web |url=http://www.safarinow.com/cms/johannesburg-gauteng/irie.aspx |title=Johannesburg & Gauteng Weather and Climate |publisher=Safarinow.com |access-date=14 April 2013 |archive-date=22 May 2013 |archive-url=https://web.archive.org/web/20130522144627/http://www.safarinow.com/cms/johannesburg-gauteng/irie.aspx |url-status=live }}</ref> Temperatures in Johannesburg are usually fairly mild due to the city's high elevation, with an average maximum daytime temperature in January of {{convert|25.6|C}}, dropping to an average maximum of around {{convert|16|C}} in June. The [[UV index]] for Johannesburg in summers is extreme, often reaching 14–16 due to the high elevation and its location in the subtropics.<ref>{{cite web |url=http://www.uvawareness.com/uv-index/uv-index.php?location=johannesburg |title=UV index of Johannesburg |publisher=uvawareness |access-date=13 December 2015 |url-status=dead |archive-url=https://web.archive.org/web/20151222081241/http://www.uvawareness.com/uv-index/uv-index.php?location=johannesburg |archive-date=22 December 2015}}</ref>

Winter is the sunniest time of the year, with mild days and cool nights, dropping to {{convert|4.1|C|1}} in June and July. The temperature occasionally drops to below freezing at night, causing [[frost]]. Snow is a rare occurrence, with snowfall having been experienced in the twentieth century during May 1956, August 1962, June 1964 and September 1981. In the 21st century, there was light sleet in 2006, as well as snow proper on 27 June 2007 (accumulating up to {{convert|10|cm|0|disp=or}} in the southern suburbs),<ref>{{cite web |author=SABCnews.com |title=Joburg covered by snow as temperature drops |url=http://www.sabcnews.com/south_africa/general/0,2172,151555,00.html |access-date=16 July 2007 |archive-url=https://web.archive.org/web/20070629130254/http://www.sabcnews.com/south_africa/general/0%2C2172%2C151555%2C00.html |archive-date=29 June 2007 |url-status=dead}}</ref> 7 August 2012,<ref>{{cite news |last=Bauer |first=Nickolaus |date=7 August 2012 |title=Snow in the city delights Jo'burg residents |newspaper=Mail & Guardian |url=http://mg.co.za/article/2012-08-07-snow-in-joburg |access-date=7 August 2012 |archive-date=9 August 2012 |archive-url=https://web.archive.org/web/20120809062941/http://mg.co.za/article/2012-08-07-snow-in-joburg |url-status=live }}</ref> and 10 July 2023.<ref>{{Cite web |last=Kitongo |first=Gertrude |date=2023-07-11 |title=South Africans abuzz after first snowfall in over a decade |url=https://www.cnn.com/2023/07/11/africa/johannesburg-rare-snow-fall-spc-intl/index.html |access-date=2023-07-27 |website=CNN |language=en |archive-date=27 July 2023 |archive-url=https://web.archive.org/web/20230727224524/https://www.cnn.com/2023/07/11/africa/johannesburg-rare-snow-fall-spc-intl/index.html |url-status=live }}</ref>

Regular cold fronts pass over in winter bringing very cold southerly winds but usually clear skies. The annual average rainfall is {{convert|713|mm|1}}, which is mostly concentrated in the summer months. Infrequent showers occur through the course of the winter months. The lowest nighttime minimum temperature ever recorded in Johannesburg is {{convert|-8.2|C|1}}, on 13 June 1979. The lowest daytime maximum temperature recorded is {{convert|1.5|C|1}}, on 19 June 1964.<ref>{{cite web |url=http://old.weathersa.co.za/Pressroom/2009/Its_cold_in_Gauteng.jsp |title=Johannesburg temperature records |publisher=[[South African Weather Service]] |access-date=8 April 2012}}{{dead link|date=November 2017 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>

{{Johannesburg weatherbox}}