Buenos Aires Climate: Sunshine Hours, Temperature & Best Time to Visit

Buenos Aires climate month by month: sunshine hours, temperature, rain and day length from weather station data 1991–2020. Best time to visit: January, February, March, November, December. Sunniest month: December.

  • 2,584 hours of sunshine a year – 1.5 times as much as London. Warmest is January at 28 °C by day.
  • Best time to visit: January, February, March, November, December

Sunshine and temperature in Buenos Aires month by month

  • January: 9.2 h Sun/day (286 h), Daytime high 28 °C, Night 21 °C, Rain 118 mm, Holiday score 81
  • February: 8.5 h Sun/day (241 h), Daytime high 27 °C, Night 20 °C, Rain 112 mm, Holiday score 79
  • March: 7.6 h Sun/day (237 h), Daytime high 26 °C, Night 19 °C, Rain 112 mm, Holiday score 75
  • April: 6.4 h Sun/day (192 h), Daytime high 22 °C, Night 15 °C, Rain 108 mm, Holiday score 58
  • May: 5.6 h Sun/day (174 h), Daytime high 18 °C, Night 12 °C, Rain 83 mm, Holiday score 43
  • June: 5.0 h Sun/day (149 h), Daytime high 16 °C, Night 9 °C, Rain 55 mm, Holiday score 32
  • July: 5.0 h Sun/day (155 h), Daytime high 14 °C, Night 8 °C, Rain 64 mm, Holiday score 29
  • August: 5.9 h Sun/day (184 h), Daytime high 17 °C, Night 10 °C, Rain 62 mm, Holiday score 39
  • September: 6.6 h Sun/day (197 h), Daytime high 18 °C, Night 12 °C, Rain 73 mm, Holiday score 48
  • October: 7.1 h Sun/day (220 h), Daytime high 21 °C, Night 14 °C, Rain 105 mm, Holiday score 58
  • November: 8.7 h Sun/day (261 h), Daytime high 25 °C, Night 17 °C, Rain 103 mm, Holiday score 78
  • December: 9.3 h Sun/day (288 h), Daytime high 27 °C, Night 19 °C, Rain 113 mm, Holiday score 82
  • Temperature: station Aeroparque (5 km) · Sunshine: station Aeroparque (5 km) · Rain: station Aeroparque (5 km). Averages 1991–2020, source: Deutscher Wetterdienst (CLIMAT station data, CC BY 4.0) and NASA POWER; single years differ.

Questions

  • When is the best time to visit Buenos Aires? By sunshine, warmth and rain the best months are January, February, March, November, December. Sunniest is December with 288 hours of sunshine, warmest January at 28 °C.
  • How many hours of sunshine does Buenos Aires get a year? About 2,584 hours – 1.5 times as many as London (1,675 hours).
  • When does it rain most in Buenos Aires? In January, with 118 mm on average. The driest month is June.
  • How warm is Buenos Aires in January and July? In January the average daytime high is 28 °C, in July 14 °C.