Rio de Janeiro weather in April
Rio de Janeiro averages 27°C by day and 22°C at night in April, with the sea at 25°C and about 86 mm of rain in the month. It cools by about 2°C into May.
Day
27°C
Night
22°C
Sea
25°C
Rain
86 mm
Flight from London
11½h
What April feels like
April is hot in Rio de Janeiro: proper beach weather.
The sea is warm at 25°C: comfortable for long swims.
Expect some rainy spells: about 86 mm falls in the month.
That is 13°C warmer than an average April day in London.
Of the 56 sun destinations we track, Rio de Janeiro is the #32 warmest in April.
Want it warmer in April?
These are hotter than Rio de Janeiro this month for at most an hour and a half more flying:
Rio de Janeiro weather by month
April is highlighted. Compare with March and May, or see the full year in Rio de Janeiro.
| Month | Day | Night | Sea | Rain |
|---|---|---|---|---|
| January | 30°C | 24°C | 26°C | 154 mm |
| February | 30°C | 24°C | 28°C | 126 mm |
| March | 29°C | 24°C | 26°C | 133 mm |
| April | 27°C | 22°C | 25°C | 86 mm |
| May | 26°C | 20°C | 24°C | 59 mm |
| June | 25°C | 19°C | 23°C | 38 mm |
| July | 25°C | 18°C | 22°C | 40 mm |
| August | 25°C | 18°C | 22°C | 63 mm |
| September | 26°C | 20°C | 23°C | 59 mm |
| October | 27°C | 21°C | 22°C | 89 mm |
| November | 27°C | 21°C | 23°C | 130 mm |
| December | 29°C | 23°C | 25°C | 132 mm |
Rio de Janeiro in April: quick answers
Is Rio de Janeiro hot in April?
April is hot in Rio de Janeiro: proper beach weather. Average highs are 27°C and lows 22°C.
Can you swim in Rio de Janeiro in April?
The sea is warm at 25°C: comfortable for long swims.
Does it rain in Rio de Janeiro in April?
Expect some rainy spells: about 86 mm falls in the month.
What is the warmest month in Rio de Janeiro?
February, at an average high of 30°C. The coolest is July at 25°C.
How long is the flight to Rio de Janeiro from the UK?
About 11½h direct from London, estimated from the 9,260 km distance. Check your airline for exact times.
Still choosing? See where is hot in April for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in April from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Rio de Janeiro in April?
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