United States · 1991–2020 normal
Rio in
May.
Typical May weather in Rio: 20.6°C by day, 7.2°C at night, 109 mm of rain over 10.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high20.6°C
Typical low7.2°C
Rain109 mm
Wet days10.1
Comfort score 58 this month (August leads the year at 76). Daylight is calculated as 14 h 40 from latitude 43.45°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5268977
- NOAA station
- USC00470308 · ARLINGTON
- Station distance
- 18.1 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.