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BrazilThe weather in January in Rio das Ostras
It's hot in January in Rio das Ostras with an average temperature of 32°C. Temperatures this month range from a low of 30°C to a high of 34°C. At night, you can expect temperatures between 21°C and 23°C.
Looking for sun? January isn’t a good month to be in Rio das Ostras. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Rio das Ostras, Brazil. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 39°C in 2016, Rio das Ostras reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 23°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 25°C.
Rainfall amount
In January, there is an average of 257 mm of precipitation, spread over 23 days. The wind speed is around 4 Bft, mostly coming from the East.
Daily weather in January for Rio das Ostras
Click on any day in January to get detailed info about the usual weather on that day in Rio das Ostras. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Rio das Ostras | New York | |
|---|---|---|
| Average temperature | 32°C | 5°C |
| Max. temperature | 34°C | 11°C |
| Min. temperature | 21°C | -5°C |
| Total precipitation | 257 mm | 97 mm |
| Rainy days | 23 days | 12 days |
Start of January
The month of January starts in Rio das Ostras with hot temps, averaging around 33°C during the day and nights around 23°C.
Mid January
By mid-January, daytime temps drop to around 32°C, with nights around 23°C. There’s a high chance of precipitation during this time.
End of January
By the end of January, the average daytime temperature in Rio das Ostras is around 33°C, while nighttime temps are about 23°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Find affordable trips to Rio das Ostras
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Rio das Ostras for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Temperature charts
These charts show the average temperatures in January in Rio das Ostras, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Rio das Ostras
Temperature in January in Rio das Ostras over the years
Precipitation charts
These charts show the average amount of precipitation in January in Rio das Ostras, Brazil. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Rio das Ostras
Total precipitation in January in Rio das Ostras over the years
Daily UV index in January in Rio das Ostras
This chart shows the average daily UV index in January in Rio das Ostras, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in January in Rio das Ostras
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Average weather in Rio das Ostras by month
Click on a month below to see detailed weather info for Rio das Ostras. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.