Rio Weather in May
May in Rio averages 23°C (73°F) during the day and 14°C (57°F) at night. The perfect conditions and moderate rainfall make it a solid month to visit.
Rainfall in Rio in May
Typically, you can expect about 8 days of rain this month, with 60 mm (2.4 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Rio in May
Weather in Rio is at its perfect in May. Highs reach 23°C (73°F), while nights settle around 14°C (57°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Rio in May
The city usually sees around 286 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Rio in May
May has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.
Average water temperature in May
With water at 19°C (66°F), swimming is comfortable for most people. It feels refreshing rather than cold, though it depends a bit on personal preference.If your ideal day consists of dry skies and pleasant temperatures, May, June, September and October typically offer the best circumstances for Rio.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Greece, check out our Rio's climate page.
Rio Temperature in May
Min Temperature
14°C (57°F)
Max Temperature
23°C (73°F)
Water Temperature
19°C (66°F) *
Chance of Rain
28%
Precipitation
60 mm (2.4 in)
Rainy days
8 days
Humidity
64% *
Windspeed
1 m/s (2 knots) *
Sunshine
286 hours *
Percentage Sunshine
*
Best Places in Greece in May
Find out more about the weather in Greece and which places have the best travel conditions in this month. See all of Greece in May →
perfect weather
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unpleasant
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What to Wear in Rio in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 19°C (66°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Rio in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Greece, check out our Rio's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Rio climate overview or explore weather in Greece.
