United States · 1991–2020 normal

St. Louis Heights in
May.

Typical May weather in St. Louis Heights: 29.3°C by day, 21.3°C at night, 27 mm of rain over 4.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high29.3°C
Typical low21.3°C
Rain27 mm
Wet days4.7

Comfort score 70 this month (February leads the year at 79). Daylight is calculated as 13 h 08 from latitude 21.30°. Open-water sea temperature is 25.0°C (11 km from the place centre).

Event window

Warm sea in May

The nearest open-water NOAA OISST 1991–2020 cell averages 25.0°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 5853603
NOAA station
USC00519397 · WAIKIKI 717.2
Station distance
3.2 km from the place centre
Coverage
Strong coverage · 29 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.