United States · 1991–2020 normal
Portland in
May.
Typical May weather in Portland: 30.1°C by day, 21.5°C at night, 81 mm of rain over 4.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high30.1°C
Typical low21.5°C
Rain81 mm
Wet days4.4
Comfort score 60 this month (March leads the year at 95). Daylight is calculated as 13 h 31 from latitude 27.88°. Open-water sea temperature is 25.1°C (34 km from the place centre).
Event window
Warm sea in May
The nearest open-water NOAA OISST 1991–2020 cell averages 25.1°C in May. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4720131
- NOAA station
- USC00412011 · CORPUS CHRISTI NWS
- Station distance
- 20.9 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.