Rio de Janeiro · April
Run in the morning.
Comfortable average high of 81°F, dipping to 71°F at night. Humidity averages 81% — the limiting factor on most runs. Expect 17 rain days — plan around the radar. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
81° / 71°F
Humidity
81%
Rain days
17/mo
Wind
9 mph
What April feels like in Rio de Janeiro
Sunrise
06:06
Mid-month average
Sunset
17:39
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Rio de Janeiro in April
The kit for April in Rio de Janeiro: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
April vs the surrounding months
vs March
-4° avg high
-2 rain days
Rio de Janeiro in March →
April
81°F avg high
17 rain days
Best: morning
vs May
+3° avg high
+2 rain days
Rio de Janeiro in May →
Frequently Asked Questions
What is the best time of day to run in Rio de Janeiro in April?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Rio de Janeiro in April?+
Average high 81°F, average low 71°F.
How does April compare to surrounding months in Rio de Janeiro?+
Compared to March (avg high 85°F), April is cooler. Compared to May (avg high 78°F), April is warmer.
Does it rain often in Rio de Janeiro in April?+
Expect about 17 measurable rain days in April, on average.