Country, type of climates for that country, number of COVID-19 outbreak peaks, distance in days between the two highest peaks, dates of the two highest peaks, dates of the remaining peaks and more frequent clades per peak
| Country | Climate types | Number of peaks | Distance between the two highest peaks (days) | Dates of the two highest peaks (more frequent clades) | Dates of the remaining peaks (more frequent clades) |
| Argentina | B/C | 3 | 214 | 21 October 2020 (20B/C/D) 23 May 2021 (20J Gam., 21G Lambda) | 11 January 2021 (20B, 20I Alpha, 20 J Gam.) |
| Australia | A/B/C | 3 | 432 | 4 August 2020 (20B/C/F) 10 October 2021 (21J Delta) | 30 March 2020 (19A/B, 20A/B/C) |
| Austria | D/E | 5 | 376 | 13 November 2020 (20A) 24 November 2021 (21J Delta) | 28 March 2020 (20A/B/C) 1 April 2021 (20I Alpha) 15 September 2021 (21J Delta) |
| Belgium | C | 4 | 148 | 30 October 2020 (20A/B) 27 March 2021 (20I Alpha) | 15 April 2020 (20A/C) 12 August 2020 (20A/C) |
| Brazil | A/C | 4 | 87 | 27 March 2021 (20J Gamma) 22 June 2021 (20J Gamma) | 28 July 2020 (20B) 12 January 2021 (20B, 20J Gamma) |
| Canada | C/D/E | 4 | 93 | 9 January 2021 (20B/C/G) 12 April 2021 (20I Alpha, 20J Gamma) | 22 April 2020 (19A, 20B/C) 13 September 2021 (21i/J Delta) |
| Chile | B/C/D | 6 | 55 | 14 April 2021 (20J Gam., 21G Lambda) 8 June 2021 (20J Gam., 21G Lambda) | 12 June 2020 (19A, 20B/D) 1 October 2020 (20B/D) 25 January 2021 (20B/D/G, 20I Alpha) 15 November 2021 (21J Delta) |
| Colombia | A/C | 4 | 159 | 20 January 2021 (19A, 20B/C) 28 June 2021 (21H Mu) | 16 August 2020 (20A/B) 2 November 2020 (19A, 20B) |
| Croatia | C | 6 | 333 | 13 December 2020 (20B) 11 November 2021 (21J Delta) | 1 April 2020 (20A) 15 July 2020 (20B) 29 August 2020 (20B) 21 April 2021(20I Alpha) |
| Denmark | D | 6 | 145 | 18 December 2020 (20B/E) 12 May 2021 (20I Alpha) | 8 April 2020 (20A/C) 23 September 2020 (20A/B/E) 16 March 2021 (20I Alpha) 16 August 2021 (21J Delta) |
| France | C | 5 | 161 | 7 November 2020 (20A) 17 April 2021 (20I Alpha) | 18 April 2020 (19B, 20A) 2 November 2021 (20I Alpha) 16 August 2021 (21J Delta) |
| Germany | C/D | 4 | 123 | 23 December 2020 (20A/E) 25 April 2021 (20I Alpha) | 2 April 2020 (19B, 20 A/C) 10 September 2021 (21J Delta) |
| Hungary | D | 3 | 113 | 3 December 2020 (20A) 26 March 2021 (20A, 20I Alpha) | 13 April 2020 (20A) |
| India | A/B/C/D | 2 | 234 | 16 September 2020 (20A/B) 8 May 2021 (21A/J Delta) | – |
| Indonesia | A | 3 | 167 | 1 February 2021 (20A/B) 18 July 2021 (21I/J Delta) | 26 September 2020 (20A/B) |
| Italy | B/C | 5 | 126 | 16 November 2020 (19A, 20A) 22 March 2021 (20E) | 26 March 2020 (20E, 20I Alpha) 11 January 2021 (20I Alpha) 27 August 2021 (20J Alpha) |
| Japan | A/C/D | 5 | 226 | 11 January 2021 (20B) 25 August 2021 (21J Delta) | 15 April 2020 (19B, 20A/B) 9 August 2020 (20B) 14 May 2021 (20I Alpha) |
| Mexico | A/B/C | 4 | 213 | 21 January 2021 (20A/B/C) 22 August 2021 (21I/J Delta) | 1 August 2020 (20A/B) 9 October 2020 (20A/B/C) |
| Morocco | B/C | 4 | 266 | 17 November 2020 (20A/B) 10 August 2021 (21J Delta) | 22 April 2020 (20A) 25 June 2020 (20A) |
| Norway | D/E | 6 | 167 | 22 March 2021 (20I Alpha) 5 September 2021 (21I/J Delta) | 29 March 2020 (19A, 20A/B) 23 November 2020 (20A/B/C/E) 10 January 2021 (20A/B/E, 20I Alpha) 26 May 2021 (20I Alpha) |
| Portugal | C | 5 | 70 | 19 November 2020 (20B/E) 28 January 2021 (20E, 20I Alpha) | 3 April 2020 (20B) 13 July 2020 (20B) 23 July 2021 (21J Delta) |
| Russia | D/E | 4 | 315 | 26 December 2020 (20B/C) 6 November 2021 (21J Delta) | 12 May 2020 (20/B) 15 July 2021 (21J Delta) |
| Saudi Arabia | B | 3 | 412 | 20 June 2020 (20A) 6 August 2021 (21I Delta) | 2 July 2021 (21I Delta) |
| South Africa | B/C | 4 | 178 | 11 January 2021 (20A, 20 hours Beta) 8 July 2021 (21I/J Delta) | 19 July 2020 (20B/D) 22 August 2021 (21J Delta) |
| South Korea | C/D | 7 | 46 | 15 August 2021 (21I Delta) 30 September 2021 (21I/J Delta) | 4 March 2020 (19B, 20C) 27 August 2020 (20A/C) 25 December 2020 (20C) 20 February 2021 (20C, 20I Alpha, 21D Eta) 23 April 2021 (20A, 20I Alpha) |
| Spain | B/C | 5 | 174 | 26 January 2021 (20E, 20I Alpha) 19 July 2021 (21J Delta) | 31 March 2020 (19B, 20A/B) 4 November 2020 (20E) 27 April 2021 (20I Alpha) |
| Sweden | D/E | 4 | 91 | 11 January 2021 (20A/E) 12 April 2021 (20I Alpha) | 29 April 2020 (19A, 20B/C) 18 June 2020/ (20B) |
| Turkey | B/C/D | 5 | 139 | 2 December 2020 (20A/B, 20I Alpha) 20 April 2021 (20I Alpha, 20 hours Beta) | 16 April 2020 (20A) 15 August 2021 (21A/J Delta) 15 October 2021 (21J Delta) |
| UK | C | 6 | 193 | 9 January 2021 (20I Alpha) 21 July 2021 (21J Delta) | 22 April 2020 (19A, 20D) 16 November 2020 (20B/E) 8 September 2021 (21J Delta) 23 October 2021 (21J Delta) |
| USA | A/B/C/D/E | 5 | 245 | 11 January 2021 (20B/C/G, 21C Epsilon) 13 September 2021 (21J Delta) | 10 April 2020 (19A/B, 20B/C) 22 July 2020 (20B/C/G) 14 April 2021 (20I Alpha) |
The mean distance between the two highest peaks is 190 days (SD 100).