United States · 1991–2020 normal

Old Saybrook in
March.

Typical March weather in Old Saybrook: 8.1°C by day, -1°C at night, 90 mm of rain over 6.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high8.1°C
Typical low-1°C
Rain90 mm
Wet days6.8

Comfort score 8 this month (September leads the year at 85). Daylight is calculated as 11 h 48 from latitude 41.29°. Open-water sea temperature is 3.8°C (19 km from the place centre).

Event window

Frost-level nights in March

The measured night-time normal is -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 4840035
NOAA station
USW00014707 · GROTON NEW LONDON AP
Station distance
27.6 km from the place centre
Coverage
Good coverage · 21 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.