Sweden · 1991–2020 normal

Norrtälje in
December.

Typical December weather in Norrtälje: 1.7°C by day, -4.1°C at night, 52 mm of rain over 11.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high1.7°C
Typical low-4.1°C
Rain52 mm
Wet days11.5

Comfort score 5 this month (July leads the year at 79). Daylight is calculated as 6 h from latitude 59.76°. Open-water sea temperature is 4.4°C (18 km from the place centre).

Event window

Frost-level nights in December

The measured night-time normal is -4.1°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 2688250
NOAA station
SWE00139134 · SVANBERGA_A
Station distance
9 km from the place centre
Coverage
Strong coverage · 26 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.