United States · 1991–2020 normal
Lake San Marcos in
December.
Typical December weather in Lake San Marcos: 18.2°C by day, 8.6°C at night, 46 mm of rain over 4.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high18.2°C
Typical low8.6°C
Rain46 mm
Wet days4.8
Comfort score 66 this month (October leads the year at 97). Daylight is calculated as 9 h 58 from latitude 33.13°. Open-water sea temperature is 16.0°C (16 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5364663
- NOAA station
- USW00003177 · CARLSBAD MCCLELLAN PALOMAR AP
- Station distance
- 6.3 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.