Weather in Rio de Janeiro in June

Prime time. If you get to pick your dates, June is the one. Highs average 25.2 °C, lows 19.6 °C, and rain falls on 7 days — nothing in the month is working against you.

June ranks 2 of 12 in Rio de Janeiro. Only July scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 7 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: the day barely swings — 5.6 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest June day reached 31.5 °C and the coldest night fell to 14.3 °C, and the wettest single day dropped 43 mm — roughly 88% of the month's rain in one day.

June is moderately variable: 10 mm in the driest year against 112 mm in the wettest, around an average of 49 mm. Roughly two Junes in three land near that average, and the third does something else entirely.

Wind is light at 9.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 80%, high enough to notice on the warm days without dominating them.

How June sits in the year

Temperatures hold steady either side: 25.6 °C in May, 25.2 here, 25 in July. Nothing about the timing within the month matters much.

Daylight in June

June sits at the dark end of Rio de Janeiro's year — 10.7 hours of daylight against 13.5 at midsummer, holding steady all month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

Sea temperature

The sea sits at about 23.7 °C in June — comfortable for a proper swim. The sea peaks at 26.7 °C in March and bottoms out at 22.3 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, October is the trade worth considering — 14 points weaker on weather, and materially quieter.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

June in Rio de Janeiro versus nearby

If Rio de Janeiro is one option among several, the nearby comparison is worth making. Belo Horizonte is a better bet in June — within a degree on temperature, 5 days less rain. São Paulo is close enough to be a coin toss — 2.9 °C cooler, 1 day more rain.

So: June is effectively as good as it gets here — 2 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Rio de Janeiro

See all twelve months in Rio de Janeiro, or where else to go in June.