Avg high
29°C
Avg low
23°C
Rainfall
138 mm
Rain days
11.7
Sunshine
10.6 h/day
Daylight
12.2 h
What to pack for Rio de Janeiro in March
- light, breathable clothing
- sun protection (hat, SPF 50)
- a compact umbrella or rain shell — rain is frequent
- expect humid, sticky conditions
Humidity averages 83%; max daily wind around 16 km/h.
How March compares
Best months in Rio de Janeiro: May–September. See the full best time to visit Rio de Janeiro guide.
Rio de Janeiro in March: the details
In March, Rio de Janeiro sees average daytime highs of 29°C (84°F) and overnight lows of 23°C (74°F). Rainfall totals roughly 138 mm across 11.7 rainy days, and the sun shines about 10.6 hours per day with 12.2 hours of daylight mid-month. Relative humidity averages 83%.
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Rio de Janeiro, Brazil (-22.91, -43.18) — see our methodology. Actual conditions vary year to year.
Where should you go next month?
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