United States · 1991–2020 normal

Ryers in
December.

Typical December weather in Ryers: 7.7°C by day, -0.8°C at night, 108 mm of rain over 9.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high7.7°C
Typical low-0.8°C
Rain108 mm
Wet days9.2

Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 20 from latitude 40.06°.

Event window

Frost-level nights in December

The measured night-time normal is -0.8°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5209384
NOAA station
USW00094732 · NE PHILA AP
Station distance
6.5 km from the place centre
Coverage
Strong coverage · 25 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.