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Brazil

Best time to visit Rio de Janeiro

Based on 12 years of real historical weather data (20152026). Sunshine hours, rainfall, and temperature — week by week.

⭐ Best week to plan around
W29 · Jul 15–21
🌡 24.1°C avg high
☀️ 8.8h sun/day🌧 0.9mm/day
Weather score: 86/100

Planning a trip, an event, or a party in Rio de Janeiro? Here's what to expect. Summers here run warm, and winters are cooler. For the best odds of good weather, aim for July, June and August. Days run warm, with up to 9.1h of sunshine and mostly dry.

9.7h
Avg sunshine / day
3.1mm
Avg rainfall / day

Month-by-month weather

January65/100
🌡 30.5°C avg high
☀️ 10.6h🌧 Moderate rain

Rio de Janeiro in January runs very hot, averaging 30.5°C.

February60/100
🌡 30.4°C avg high
☀️ 10.2h🌧 Moderate rain

Rio de Janeiro in February runs very hot, averaging 30.4°C.

March63/100
🌡 28.9°C avg high
☀️ 10.4h🌧 Moderate rain

Rio de Janeiro in March runs hot, averaging 28.9°C.

April77/100
🌡 27.5°C avg high
☀️ 10.1h🌧 Light showers

Rio de Janeiro in April runs hot, averaging 27.5°C.

May80/100
🌡 25.8°C avg high
☀️ 9.2h🌧 Light showers

Rio de Janeiro in May runs hot, averaging 25.8°C.

June85/100
🌡 25.1°C avg high
☀️ 9h🌧 Light showers

Rio de Janeiro in June runs hot, averaging 25.1°C.

July86/100
🌡 24.8°C avg high
☀️ 9.1h🌧 Light showers

Rio de Janeiro in July runs warm, averaging 24.8°C.

August81/100
🌡 25.1°C avg high
☀️ 9h🌧 Light showers

Rio de Janeiro in August runs hot, averaging 25.1°C.

September80/100
🌡 26.5°C avg high
☀️ 9.5h🌧 Light showers

Rio de Janeiro in September runs hot, averaging 26.5°C.

October71/100
🌡 26.8°C avg high
☀️ 9.2h🌧 Light showers

Rio de Janeiro in October runs hot, averaging 26.8°C.

November61/100
🌡 27.1°C avg high
☀️ 9.8h🌧 Moderate rain

Rio de Janeiro in November runs hot, averaging 27.1°C.

December66/100
🌡 29°C avg high
☀️ 10.4h🌧 Moderate rain

Rio de Janeiro in December runs hot, averaging 29°C.

Frequently asked questions

What is the best time to visit Rio de Janeiro?

If you're planning a trip, wedding, or outdoor event in Rio de Janeiro, aim for July, June and August — Days run warm, with up to 9.1h of sunshine and mostly dry. This is based on 12 years of real historical weather data (2015–2026), not a single forecast.

What is the weather like in Rio de Janeiro in July?

If you visit Rio de Janeiro in July, expect warm days around 24.8°C You'll get around 9.1h of sunshine per day and 1.2mm of rain — mostly dry.

What is the hottest month in Rio de Janeiro?

January is typically the hottest month, running very hot — good to know if you're planning something outdoors and want to avoid the peak heat.

What is the driest month in Rio de Janeiro?

June is your safest bet if you want to avoid rain, averaging only 1.2mm per day. February is the wettest, at 5mm per day — worth planning around if you're hosting anything outdoors.

All weeks ranked by weather score

WeekDatesMidday tempRangeSun / dayRain / dayScore
W29Jul 15–2124.1°C16.1° → 27.5°8.8h0.9mm86
W26Jun 24–3025.3°C16.7° → 28.9°9.2h0.8mm85
W28Jul 8–1425.4°C16.8° → 29.3°9.2h0.8mm85
W30Jul 22–2825.2°C16.7° → 29.2°9.3h1.1mm85
W24Jun 10–1625.1°C17.1° → 28.1°9.3h1.4mm83
W25Jun 17–2325.2°C17° → 28.2°9.2h1.4mm83
W27Jul 1–724.5°C16.5° → 28°9.0h1.9mm82
W31Jul 29–Aug 424.8°C16.6° → 29.6°9.1h1.9mm81
W33Aug 12–1825.5°C16.6° → 29.2°9.0h1.6mm81
W35Aug 26–Sep 124.9°C16.8° → 29.5°9.5h1.8mm81
W18Apr 29–May 526.7°C19.5° → 29.6°10.0h1.2mm80
W22May 27–Jun 225.2°C17.9° → 28.4°9.0h1.4mm80
W23Jun 3–924.6°C17.3° → 27.8°8.3h1.4mm80
W32Aug 5–1124.9°C16.1° → 29.4°8.7h1.9mm80
W36Sep 2–825.8°C17.8° → 30.1°9.4h1.5mm80
W38Sep 16–2226.9°C18° → 32°10.2h1.4mm79
W21May 20–2625.4°C18° → 28.4°9.0h1.8mm78
W16Apr 15–2127.3°C20° → 30°10.1h1.6mm77
W34Aug 19–2525.6°C16.5° → 30.5°8.9h2.6mm76
W19May 6–1226.5°C18.9° → 30.7°9.4h2.1mm75
W17Apr 22–2826.9°C19.7° → 30.6°9.5h2.3mm73
W37Sep 9–1527.0°C18.1° → 31.9°9.5h2.6mm73
W20May 13–1925.2°C17.9° → 28.5°8.6h3.2mm71
W43Oct 21–2726.9°C18.9° → 32.3°9.5h2.3mm71
W15Apr 8–1427.6°C20.8° → 30.6°10.1h3.0mm69
W41Oct 7–1327.0°C18.9° → 32.2°9.0h2.7mm68
W42Oct 14–2026.8°C19.2° → 31°9.2h2.9mm68
W14Apr 1–728.3°C21.2° → 31.3°10.6h3.0mm67
W44Oct 28–Nov 326.5°C19.2° → 30.7°9.9h3.6mm67
W40Sep 30–Oct 626.9°C18.8° → 31.9°8.6h3.0mm66
W51Dec 16–2229.6°C21.7° → 33.4°11.6h2.5mm66
W3Jan 15–2130.9°C23° → 34.5°11.4h2.4mm65
W39Sep 23–2926.2°C18.7° → 31.4°9.0h4.3mm64
W11Mar 11–1729.2°C22.7° → 31.9°10.4h3.4mm63
W46Nov 11–1727.7°C19.8° → 32°10.2h4.2mm61
W48Nov 25–Dec 127.5°C20.2° → 30.8°10.6h4.4mm61
W8Feb 19–2530.9°C23.2° → 34°10.8h3.2mm60
W10Mar 4–1029.4°C22.5° → 31.7°10.7h4.0mm60
W13Mar 25–3128.1°C21.7° → 30.4°10.4h5.1mm58
W45Nov 4–1026.3°C19.1° → 30°9.0h5.3mm58
W49Dec 2–827.7°C20.4° → 32.8°9.9h4.8mm58
W47Nov 18–2427.0°C19.1° → 31.4°9.4h5.0mm57
W5Jan 29–Feb 430.9°C23.2° → 33.6°10.4h4.0mm56
W52Dec 23–2929.9°C22.3° → 32.6°10.1h4.7mm56
W50Dec 9–1528.7°C20.5° → 32.1°9.9h5.2mm55
W4Jan 22–2830.4°C22.6° → 33.8°10.4h4.7mm54
W12Mar 18–2429.1°C22.2° → 32.6°10.2h5.8mm54
W1Jan 1–730.5°C22.5° → 33.9°10.3h5.2mm52
W7Feb 12–1830.5°C23.2° → 33.7°10.0h5.5mm52
W9Feb 26–Mar 330.2°C22.6° → 33°10.0h5.5mm52
W2Jan 8–1430.3°C22.4° → 33.6°10.4h6.6mm49
W6Feb 5–1129.5°C22.4° → 32.4°9.7h6.8mm49

Nail down the right dates for Rio de Janeiro

Compare individual weeks, see year-by-year variation, and download the data as Excel — everything you need to plan a trip, wedding, or event.

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