Wedding weather data · Brazil
Wedding weather in Rio de Janeiro
In Rio de Janeiro, the driest months for a wedding are July and September, when rain falls on about 22% of days. The wettest is February, with rain on about 54% of days. Here is the full picture, month by month, from 10 years of daily weather records.
Rain odds and temperatures by month
| Month | Chance of a rainy day | Heavy rain | Rainy days | Avg high | Avg low | Sunshine |
|---|---|---|---|---|---|---|
| January | 47% | 19% | 14.6 | 87°F (30°C) | 75°F (24°C) | 10.5 h/day |
| February | 54% | 19% | 15.3 | 86°F (30°C) | 75°F (24°C) | 10.1 h/day |
| March | 47% | 15% | 14.5 | 85°F (29°C) | 74°F (23°C) | 10.4 h/day |
| April | 41% | 7% | 12.4 | 81°F (27°C) | 71°F (22°C) | 10.1 h/day |
| May | 32% | 5% | 9.9 | 78°F (26°C) | 68°F (20°C) | 9.2 h/day |
| June ✦ | 30% | 3% | 8.9 | 77°F (25°C) | 66°F (19°C) | 9 h/day |
| July ✦ | 22% | 3% | 6.7 | 77°F (25°C) | 65°F (18°C) | 9 h/day |
| August | 31% | 5% | 9.5 | 78°F (25°C) | 64°F (18°C) | 9 h/day |
| September | 29% | 6% | 8.8 | 80°F (27°C) | 67°F (20°C) | 9.6 h/day |
| October | 47% | 9% | 14.7 | 80°F (27°C) | 69°F (21°C) | 9.1 h/day |
| November | 54% | 14% | 16.3 | 81°F (27°C) | 70°F (21°C) | 9.6 h/day |
| December | 52% | 15% | 16.1 | 84°F (29°C) | 73°F (23°C) | 10.4 h/day |
Source: Open-Meteo Historical Weather API (ERA5 reanalysis), daily data 2015–2024 for -22.91, -43.17. Rainy day ≥ 1 mm, heavy rain ≥ 10 mm. Climatology, not a forecast.
Best months for a wedding in Rio de Janeiro
Weighing low rain odds with comfortable temperatures (roughly 18–29 °C / 65–84 °F highs), the best months for an outdoor wedding in Rio de Janeiro are June and July.
When to be careful
February is the wettest month in Rio de Janeiro: rain falls on about 54% of days, and 19% of days bring heavy rain (10 mm or more). Book a solid backup if you marry then.
How to read these numbers
A "rainy day" is a day with at least 1 mm (0.04 in) of rain. A 30% chance means about 3 in 10 days in that month saw at least a little rain, often a short shower. For your exact date and venue, use our free rain odds tool.
Rio de Janeiro weather month by month
What a wedding day in Rio de Janeiro usually looks like in each month, from 10 years of daily weather records.
Rio de Janeiro weather in January
In January, it rains (1 mm or more) on 47% of days in Rio de Janeiro, about 14.6 days in the month, and 19% of days bring heavy rain. Typical highs are 87°F (30°C), lows 75°F (24°C), with around 10.5 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Rio de Janeiro weather in February
In February, it rains (1 mm or more) on 54% of days in Rio de Janeiro, about 15.3 days in the month, and 19% of days bring heavy rain. Typical highs are 86°F (30°C), lows 75°F (24°C), with around 10.1 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Rio de Janeiro weather in March
In March, it rains (1 mm or more) on 47% of days in Rio de Janeiro, about 14.5 days in the month, and 15% of days bring heavy rain. Typical highs are 85°F (29°C), lows 74°F (23°C), with around 10.4 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Rio de Janeiro weather in April
In April, it rains (1 mm or more) on 41% of days in Rio de Janeiro, about 12.4 days in the month, and 7% of days bring heavy rain. Typical highs are 81°F (27°C), lows 71°F (22°C), with around 10.1 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Rio de Janeiro weather in May
In May, it rains (1 mm or more) on 32% of days in Rio de Janeiro, about 9.9 days in the month, and 5% of days bring heavy rain. Typical highs are 78°F (26°C), lows 68°F (20°C), with around 9.2 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Rio de Janeiro weather in June
In June, it rains (1 mm or more) on 30% of days in Rio de Janeiro, about 8.9 days in the month, and 3% of days bring heavy rain. Typical highs are 77°F (25°C), lows 66°F (19°C), with around 9 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Rio de Janeiro weather in July
In July, it rains (1 mm or more) on 22% of days in Rio de Janeiro, about 6.7 days in the month, and 3% of days bring heavy rain. Typical highs are 77°F (25°C), lows 65°F (18°C), with around 9 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Rio de Janeiro weather in August
In August, it rains (1 mm or more) on 31% of days in Rio de Janeiro, about 9.5 days in the month, and 5% of days bring heavy rain. Typical highs are 78°F (25°C), lows 64°F (18°C), with around 9 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Rio de Janeiro weather in September
In September, it rains (1 mm or more) on 29% of days in Rio de Janeiro, about 8.8 days in the month, and 6% of days bring heavy rain. Typical highs are 80°F (27°C), lows 67°F (20°C), with around 9.6 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Rio de Janeiro weather in October
In October, it rains (1 mm or more) on 47% of days in Rio de Janeiro, about 14.7 days in the month, and 9% of days bring heavy rain. Typical highs are 80°F (27°C), lows 69°F (21°C), with around 9.1 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Rio de Janeiro weather in November
In November, it rains (1 mm or more) on 54% of days in Rio de Janeiro, about 16.3 days in the month, and 14% of days bring heavy rain. Typical highs are 81°F (27°C), lows 70°F (21°C), with around 9.6 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Rio de Janeiro weather in December
In December, it rains (1 mm or more) on 52% of days in Rio de Janeiro, about 16.1 days in the month, and 15% of days bring heavy rain. Typical highs are 84°F (29°C), lows 73°F (23°C), with around 10.4 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Frequently asked questions
What is the best month to get married in Rio de Janeiro?
Based on 10 years of weather data, July is the driest month in Rio de Janeiro, with rain on about 22% of days and average highs around 77°F (25°C). Overall, the best months for an outdoor wedding there are June and July.
What is the rainiest month in Rio de Janeiro?
February is the rainiest month in Rio de Janeiro: on average 15.3 days of the month see at least 1 mm of rain, and about 19% of days bring heavy rain.
Will it rain on my wedding day in Rio de Janeiro?
Nobody can forecast your wedding day months ahead. What history shows is the chance of rain: in June it rains on about 30% of days in Rio de Janeiro. Check your exact date with our free rain odds tool, then watch the real forecast from about 7 days out.