When to visit Rio de Janeiro?
The decision rests on several criteria. Climate score, tourist crowds and feasible activities.
What you grasp in 5 seconds
Rio de Janeiro offers 9 comfortable months, without any month really to avoid. The gap stays moderate: 8.3 in July vs 5.4 in January.
What to check next
Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.
Next action
Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.
How we calculate the score
The score combines 4 weighted criteria using 10 years of real climate data (ERA5).
Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →
Compare all 12 months
Month-by-month details: temperature, rain, sunshine, score and verdict.
| Month | T° min | T° max | Rain % | mm/day | Sun | Score | Verdict |
|---|---|---|---|---|---|---|---|
| 🌥️ January → | 24°C | 30°C | 35% | 5.0mm | 6.8h | 5.4/10 | Decent period |
| 🌥️ February → | 24°C | 30°C | 25% | 4.5mm | 7.1h | 5.6/10 | Decent period |
| 🌥️ March → | 24°C | 29°C | 26% | 4.3mm | 6.7h | 5.6/10 | Decent period |
| ☀️ April → | 22°C | 27°C | 30% | 2.8mm | 6.0h | 8.0/10 | Best period |
| ☀️ May → | 20°C | 25°C | 19% | 1.9mm | 6.0h | 8.2/10 | Best period |
| ☀️ June → | 19°C | 25°C | 20% | 1.3mm | 5.8h | 8.2/10 | Best period |
| ☀️ July → | 18°C | 24°C | 13% | 1.3mm | 6.1h | 8.3/10 | Best period |
| ☀️ August → | 18°C | 24°C | 16% | 2.0mm | 6.0h | 8.3/10 | Best period |
| ☀️ September → | 20°C | 26°C | 23% | 2.0mm | 4.9h | 8.1/10 | Best period |
| ☀️ October → | 21°C | 26°C | 29% | 2.9mm | 4.9h | 7.9/10 | Best period |
| ☀️ November → | 21°C | 26°C | 33% | 4.3mm | 5.6h | 7.9/10 | Best period |
| ☀️ December → | 23°C | 28°C | 35% | 4.2mm | 5.8h | 8.0/10 | Best period |
Rio de Janeiro week by week: your odds of avoiding rain
For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.
Safest week: Jul 23 to Jul 29, mostly dry in 10 years out of 10 (0.5 rainy day(s) on average).
Most exposed: Jan 8 to Jan 14, mostly dry in 3 years out of 10 (3.3 rainy days on average).
| Jan | Jan 14/1030°C | Jan 83/1030°C | Jan 158/1030°C | Jan 226/1030°C | Jan 296/1031°C |
|---|---|---|---|---|---|
| Feb | Feb 57/1030°C | Feb 127/1030°C | Feb 198/1030°C | Feb 266/1030°C | |
| Mar | Mar 57/1030°C | Mar 127/1030°C | Mar 196/1029°C | Mar 268/1029°C | |
| Apr | Apr 23/1028°C | Apr 97/1028°C | Apr 167/1027°C | Apr 235/1027°C | Apr 3010/1027°C |
| May | May 76/1026°C | May 147/1025°C | May 2110/1025°C | May 289/1026°C | |
| Jun | Jun 49/1025°C | Jun 115/1024°C | Jun 189/1026°C | Jun 259/1025°C | |
| Jul | Jul 28/1024°C | Jul 910/1025°C | Jul 1610/1024°C | Jul 2310/1026°C | Jul 309/1024°C |
| Aug | Aug 610/1025°C | Aug 139/1025°C | Aug 207/1025°C | Aug 278/1025°C | |
| Sep | Sep 37/1026°C | Sep 109/1027°C | Sep 178/1027°C | Sep 247/1026°C | |
| Oct | Oct 17/1027°C | Oct 85/1026°C | Oct 158/1026°C | Oct 226/1027°C | Oct 295/1026°C |
| Nov | Nov 57/1026°C | Nov 126/1028°C | Nov 195/1026°C | Nov 266/1028°C | |
| Dec | Dec 34/1028°C | Dec 105/1029°C | Dec 174/1029°C | Dec 245/1030°C |
A specific date? The app computes the same figure day by day.
Annual temperatures — Rio de Janeiro
Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.
For your trip
A few angles depending on what kind of trip you are planning.
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
🎟️ Activities & tours · Rio de Janeiro
GetYourGuide selection · free cancellation
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · Brazil
🌡️ Climate
🏝️ Tropical stay
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Where is Rio de Janeiro ?
Global position + regional geographic context.