United States · 1991–2020 normal

Lemont in
May.

Typical May weather in Lemont: 22.2°C by day, 10.5°C at night, 127 mm of rain over 11.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high22.2°C
Typical low10.5°C
Rain127 mm
Wet days11.1

Comfort score 66 this month (September leads the year at 84). Daylight is calculated as 14 h 30 from latitude 41.67°. Open-water sea temperature is 7.1°C (38 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4899581
NOAA station
USC00117457 · ROMEOVILLE WFO
Station distance
10.4 km from the place centre
Coverage
Good coverage · 23 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.