Best time to visit · Brazil
Best time to visit Rio de Janeiro
Rio de Janeiro averages 9 just-right days a year; no month is reliably just right, and July comes closest. Most other days miss by being too hot.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
Rio de Janeiro weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 9
- Too cool 0
- Too hot 303
- Too muggy 47
- Too gray 6
When to visit Rio de Janeiro
Rio de Janeiro rarely hits the 70 to 80°F, dry and sunny window; July comes closest, with 3 just-right days. January, February, March, April, May, June, July, August, September, October, November and December are mostly too hot, with average highs of 81 to 91°F (33°C).
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 90°F (32°C) | 73°F (23°C) | 77% | 0 |
| February | 91°F (33°C) | 73°F (23°C) | 65% | 0 |
| March | 88°F (31°C) | 71°F (22°C) | 61% | 0 |
| April | 85°F (29°C) | 69°F (21°C) | 50% | 0 |
| May | 82°F (28°C) | 65°F (18°C) | 51% | 1 |
| June | 82°F (28°C) | 64°F (18°C) | 47% | 2 |
| July | 81°F (27°C) | 62°F (17°C) | 47% | 3 |
| August | 82°F (28°C) | 62°F (17°C) | 47% | 2 |
| September | 82°F (28°C) | 64°F (18°C) | 65% | 1 |
| October | 84°F (29°C) | 67°F (19°C) | 71% | 0 |
| November | 84°F (29°C) | 69°F (21°C) | 74% | 0 |
| December | 87°F (31°C) | 71°F (22°C) | 77% | 0 |
How Rio de Janeiro compares
Rio de Janeiro gets 9 just-right days a year with our default window; the median big US city gets 33. On muggy days: 47. On gray days: 6.
Places with a similar climate
Nearby
Rio de Janeiro averages 9 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/brazil/rio-de-janeiro/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.