← Weather to Go When
Brazil
Best time to visit Rio de Janeiro
Based on 12 years of real historical weather data (2015–2026). Sunshine hours, rainfall, and temperature — week by week.
⭐ Best week
W29 · Jul 15–21
🌡 24.1°C avg☀️ 8.8h sun/day🌧 0.9mm/day
Weather score: 86/100
25.0°C
Avg summer temp
30.0°C
Avg winter temp
9.7h
Avg sunshine / day
3.1mm
Avg rainfall / day
Month-by-month weather
January65/100
🌡 30.5°C☀️ 10.6h🌧 Moderate rain
February60/100
🌡 30.4°C☀️ 10.2h🌧 Moderate rain
March63/100
🌡 28.9°C☀️ 10.4h🌧 Moderate rain
April77/100
🌡 27.5°C☀️ 10.1h🌧 Light showers
May80/100
🌡 25.8°C☀️ 9.2h🌧 Light showers
June85/100
🌡 25.1°C☀️ 9.0h🌧 Light showers
July86/100
🌡 24.8°C☀️ 9.1h🌧 Light showers
August81/100
🌡 25.1°C☀️ 9.0h🌧 Light showers
September80/100
🌡 26.5°C☀️ 9.5h🌧 Light showers
October71/100
🌡 26.8°C☀️ 9.2h🌧 Light showers
November61/100
🌡 27.1°C☀️ 9.8h🌧 Moderate rain
December66/100
🌡 29.0°C☀️ 10.4h🌧 Moderate rain
All weeks ranked by weather score
| Week | Dates | Avg temp | Range | Sun / day | Rain / day | Score |
|---|---|---|---|---|---|---|
| W29 | Jul 15–21 | 24.1°C | 16.1°–27.5° | 8.8h | 0.9mm | 86 |
| W26 | Jun 24–30 | 25.3°C | 16.7°–28.9° | 9.2h | 0.8mm | 85 |
| W28 | Jul 8–14 | 25.4°C | 16.8°–29.3° | 9.2h | 0.8mm | 85 |
| W30 | Jul 22–28 | 25.2°C | 16.7°–29.2° | 9.3h | 1.1mm | 85 |
| W24 | Jun 10–16 | 25.1°C | 17.1°–28.1° | 9.3h | 1.4mm | 83 |
| W25 | Jun 17–23 | 25.2°C | 17.0°–28.2° | 9.2h | 1.4mm | 83 |
| W27 | Jul 1–7 | 24.5°C | 16.5°–28.0° | 9.0h | 1.9mm | 82 |
| W31 | Jul 29–Aug 4 | 24.8°C | 16.6°–29.6° | 9.1h | 1.9mm | 81 |
| W33 | Aug 12–18 | 25.5°C | 16.6°–29.2° | 9.0h | 1.6mm | 81 |
| W35 | Aug 26–Sep 1 | 24.9°C | 16.8°–29.5° | 9.5h | 1.8mm | 81 |
| W18 | Apr 29–May 5 | 26.7°C | 19.5°–29.6° | 10.0h | 1.2mm | 80 |
| W22 | May 27–Jun 2 | 25.2°C | 17.9°–28.4° | 9.0h | 1.4mm | 80 |
| W23 | Jun 3–9 | 24.6°C | 17.3°–27.8° | 8.3h | 1.4mm | 80 |
| W32 | Aug 5–11 | 24.9°C | 16.1°–29.4° | 8.7h | 1.9mm | 80 |
| W36 | Sep 2–8 | 25.8°C | 17.8°–30.1° | 9.4h | 1.5mm | 80 |
| W38 | Sep 16–22 | 26.9°C | 18.0°–32.0° | 10.2h | 1.4mm | 79 |
| W21 | May 20–26 | 25.4°C | 18.0°–28.4° | 9.0h | 1.8mm | 78 |
| W16 | Apr 15–21 | 27.3°C | 20.0°–30.0° | 10.1h | 1.6mm | 77 |
| W34 | Aug 19–25 | 25.6°C | 16.5°–30.5° | 8.9h | 2.6mm | 76 |
| W19 | May 6–12 | 26.5°C | 18.9°–30.7° | 9.4h | 2.1mm | 75 |
| W17 | Apr 22–28 | 26.9°C | 19.7°–30.6° | 9.5h | 2.3mm | 73 |
| W37 | Sep 9–15 | 27.0°C | 18.1°–31.9° | 9.5h | 2.6mm | 73 |
| W20 | May 13–19 | 25.2°C | 17.9°–28.5° | 8.6h | 3.2mm | 71 |
| W43 | Oct 21–27 | 26.9°C | 18.9°–32.3° | 9.5h | 2.3mm | 71 |
| W15 | Apr 8–14 | 27.6°C | 20.8°–30.6° | 10.1h | 3.0mm | 69 |
| W41 | Oct 7–13 | 27.0°C | 18.9°–32.2° | 9.0h | 2.7mm | 68 |
| W42 | Oct 14–20 | 26.8°C | 19.2°–31.0° | 9.2h | 2.9mm | 68 |
| W14 | Apr 1–7 | 28.3°C | 21.2°–31.3° | 10.6h | 3.0mm | 67 |
| W44 | Oct 28–Nov 3 | 26.5°C | 19.2°–30.7° | 9.9h | 3.6mm | 67 |
| W40 | Sep 30–Oct 6 | 26.9°C | 18.8°–31.9° | 8.6h | 3.0mm | 66 |
| W51 | Dec 16–22 | 29.6°C | 21.7°–33.4° | 11.6h | 2.5mm | 66 |
| W3 | Jan 15–21 | 30.9°C | 23.0°–34.5° | 11.4h | 2.4mm | 65 |
| W39 | Sep 23–29 | 26.2°C | 18.7°–31.4° | 9.0h | 4.3mm | 64 |
| W11 | Mar 11–17 | 29.2°C | 22.7°–31.9° | 10.4h | 3.4mm | 63 |
| W46 | Nov 11–17 | 27.7°C | 19.8°–32.0° | 10.2h | 4.2mm | 61 |
| W48 | Nov 25–Dec 1 | 27.5°C | 20.2°–30.8° | 10.6h | 4.4mm | 61 |
| W8 | Feb 19–25 | 30.9°C | 23.2°–34.0° | 10.8h | 3.2mm | 60 |
| W10 | Mar 4–10 | 29.4°C | 22.5°–31.7° | 10.7h | 4.0mm | 60 |
| W13 | Mar 25–31 | 28.1°C | 21.7°–30.4° | 10.4h | 5.1mm | 58 |
| W45 | Nov 4–10 | 26.3°C | 19.1°–30.0° | 9.0h | 5.3mm | 58 |
| W49 | Dec 2–8 | 27.7°C | 20.4°–32.8° | 9.9h | 4.8mm | 58 |
| W47 | Nov 18–24 | 27.0°C | 19.1°–31.4° | 9.4h | 5.0mm | 57 |
| W5 | Jan 29–Feb 4 | 30.9°C | 23.2°–33.6° | 10.4h | 4.0mm | 56 |
| W52 | Dec 23–29 | 29.9°C | 22.3°–32.6° | 10.1h | 4.7mm | 56 |
| W50 | Dec 9–15 | 28.7°C | 20.5°–32.1° | 9.9h | 5.2mm | 55 |
| W4 | Jan 22–28 | 30.4°C | 22.6°–33.8° | 10.4h | 4.7mm | 54 |
| W12 | Mar 18–24 | 29.1°C | 22.2°–32.6° | 10.2h | 5.8mm | 54 |
| W1 | Jan 1–7 | 30.5°C | 22.5°–33.9° | 10.3h | 5.2mm | 52 |
| W7 | Feb 12–18 | 30.5°C | 23.2°–33.7° | 10.0h | 5.5mm | 52 |
| W9 | Feb 26–Mar 3 | 30.2°C | 22.6°–33.0° | 10.0h | 5.5mm | 52 |
| W2 | Jan 8–14 | 30.3°C | 22.4°–33.6° | 10.4h | 6.6mm | 49 |
| W6 | Feb 5–11 | 29.5°C | 22.4°–32.4° | 9.7h | 6.8mm | 49 |
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