Weather in Rio De Janeiro in January 2025
Average weather
Average temperature in Rio De Janeiro in January
The expected average maximum temperature in January is +86°F with a maximum of +100°F and a minimum of +70°F.
The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +82°F to +81°F.
Is Rio De Janeiro warm or cold in January?
Rio De Janeiro is typically warm in January.
Maximum temperatures go up compared to the previous month from +84°F to +86°F. The minimum temperature also goes up from +73°F to +75°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
January is one of the warmest months in Rio De Janeiro, here is the comparison with other months:
Climate in Rio De Janeiro in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +84°F | +86°F | +88°F | ||||
| Min. temperature | ||||||
| +64°F | +64°F | +68°F | ||||
| Max. temperature | ||||||
| +102°F | +102°F | +100°F | ||||
| Rainfall | ||||||
| 151 mm | 167 mm | 131 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 78% | 77% | 76% | ||||
| Air pressure | ||||||
| 1010 HPa | 1010 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 5 | 7 | 9 | ||||
| Cloudy days | ||||||
| 14 | 12 | 10 | ||||
| Rainy days | ||||||
| 12 | 12 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as ok as in December. It’s getting warmer as January arrives. The average maximum temperature goes up from +84°F to +86°F during the day. Prepare for more rain. Average rainfall goes from 151 mm to 167 mm. It feels drier, as humidity decreases from 78% to 77%. The average wind speed doesn’t change much during January, staying around 2 m/s. The good news is there are likely to be more sunny days in January, from 5 to 7.
But maybe it is worth considering traveling in February as the weather gets better.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Rio De Janeiro is gradually increasing during January, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last January in Rio De Janeiro?
Climate Change Over the Years
The climate in Rio De Janeiro in January has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+82°F) and the highest in 2015 (+98°F). The driest year was 2014 with only 44 mm of rainfall, and the wettest year was 2013 with 503 mm.
FAQ
Is January a good time to visit Rio De Janeiro?
Can you sunbathe in Rio De Janeiro in January?
Is Rio De Janeiro rainy in January?
Is it sunny in Rio De Janeiro in January?
Other cities in Brazil
Monthly weather in Rio De Janeiro
Source of the data
For this page, we’ve looked at the typical weather in Rio De Janeiro, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.