Rio de Janeiro Climate: Sunshine Hours, Temperature & Best Time to Visit

Rio de Janeiro climate month by month: sunshine hours, temperature, rain and day length from weather station data 1991–2020. Best time to visit: February, April, May, June, July, August, September. Sunniest month: August.

  • 2,285 hours of sunshine a year – 1.4 times as much as London. Warmest is January at 30 °C by day.
  • Best time to visit: February, April, May, June, July, August, September

Sunshine and temperature in Rio de Janeiro month by month

  • January: 6.6 h Sun/day (205 h), Daytime high 30 °C, Night 22 °C, Rain 208 mm, Holiday score 67
  • February: 7.3 h Sun/day (207 h), Daytime high 29 °C, Night 22 °C, Rain 151 mm, Holiday score 70
  • March: 6.5 h Sun/day (203 h), Daytime high 29 °C, Night 22 °C, Rain 173 mm, Holiday score 67
  • April: 6.6 h Sun/day (199 h), Daytime high 28 °C, Night 21 °C, Rain 101 mm, Holiday score 72
  • May: 6.1 h Sun/day (189 h), Daytime high 26 °C, Night 19 °C, Rain 71 mm, Holiday score 73
  • June: 6.4 h Sun/day (191 h), Daytime high 26 °C, Night 17 °C, Rain 49 mm, Holiday score 76
  • July: 6.5 h Sun/day (200 h), Daytime high 25 °C, Night 17 °C, Rain 45 mm, Holiday score 77
  • August: 6.7 h Sun/day (209 h), Daytime high 27 °C, Night 16 °C, Rain 42 mm, Holiday score 78
  • September: 5.9 h Sun/day (178 h), Daytime high 27 °C, Night 17 °C, Rain 69 mm, Holiday score 72
  • October: 5.5 h Sun/day (171 h), Daytime high 28 °C, Night 17 °C, Rain 108 mm, Holiday score 67
  • November: 5.0 h Sun/day (150 h), Daytime high 28 °C, Night 19 °C, Rain 220 mm, Holiday score 60
  • December: 5.9 h Sun/day (183 h), Daytime high 29 °C, Night 20 °C, Rain 232 mm, Holiday score 64
  • Temperature: NASA POWER model value (grid, ±2–3 °C) · Sunshine: estimated from NASA satellite data (±15 %) · Rain: NASA POWER model value (grid, ±2–3 °C). 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 Rio de Janeiro? By sunshine, warmth and rain the best months are February, April, May, June, July, August, September. Sunniest is August with 209 hours of sunshine, warmest January at 30 °C.
  • How many hours of sunshine does Rio de Janeiro get a year? About 2,285 hours – 1.4 times as many as London (1,675 hours).
  • When does it rain most in Rio de Janeiro? In December, with 232 mm on average. The driest month is August.
  • How warm is Rio de Janeiro in January and July? In January the average daytime high is 30 °C, in July 25 °C.