Old Saybrook Center weather by month
What a typical year looks like in Old Saybrook Center, Connecticut: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Orient Point State Park, 19 km from Old Saybrook Center; records cover 2017–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- Rare
- First fall freeze
- Rare
- Heating degree days
- 5,132
- Cooling degree days
- 793
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 12°−11° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Old Saybrook Center in January
Highs average 39°4° and lows 25°−4°, with — of precipitation in a typical January.
- Record high
- 64°18° (2020)
- Record low
- 2°−17° (2018)
- Heating degree days
- 1014
- Cooling degree days
- 0
Old Saybrook Center in February
Highs average 39°4° and lows 25°−4°, with — of precipitation in a typical February.
- Record high
- 65°18° (2022)
- Record low
- −2°−19° (2023)
- Heating degree days
- 921
- Cooling degree days
- 0
Old Saybrook Center in March
Highs average 46°8° and lows 32°0°, with — of precipitation in a typical March.
- Record high
- 67°19° (2021)
- Record low
- 16°−9° (2025)
- Heating degree days
- 796
- Cooling degree days
- 0
Old Saybrook Center in April
Highs average 57°14° and lows 42°5°, with — of precipitation in a typical April.
- Record high
- 85°29° (2023)
- Record low
- 29°−2° (2018)
- Heating degree days
- 467
- Cooling degree days
- 0
Old Saybrook Center in May
Highs average 65°18° and lows 49°9°, with — of precipitation in a typical May.
- Record high
- 88°31° (2026)
- Record low
- 37°3° (2020)
- Heating degree days
- 259
- Cooling degree days
- 3
Old Saybrook Center in June
Highs average 75°24° and lows 60°15°, with — of precipitation in a typical June.
- Record high
- 96°36° (2025)
- Record low
- 46°8° (2020)
- Heating degree days
- 37
- Cooling degree days
- 109
Old Saybrook Center in July
Highs average 82°28° and lows 67°20°, with — of precipitation in a typical July.
- Record high
- 95°35° (2020)
- Record low
- 57°14° (2021)
- Heating degree days
- 0
- Cooling degree days
- 299
Old Saybrook Center in August
Highs average 80°27° and lows 67°19°, with — of precipitation in a typical August.
- Record high
- 93°34° (2021)
- Record low
- 56°13° (2024)
- Heating degree days
- 1
- Cooling degree days
- 267
Old Saybrook Center in September
Highs average 75°24° and lows 60°16°, with — of precipitation in a typical September.
- Record high
- 93°34° (2023)
- Record low
- 45°7° (2020)
- Heating degree days
- 35
- Cooling degree days
- 107
Old Saybrook Center in OctoberThis month
Highs average 65°18° and lows 50°10°, with — of precipitation in a typical October.
- Record high
- 84°29° (2019)
- Record low
- 34°1° (2020)
- Heating degree days
- 247
- Cooling degree days
- 8
Old Saybrook Center in November
Highs average 54°12° and lows 41°5°, with — of precipitation in a typical November.
- Record high
- 76°24° (2022)
- Record low
- 15°−9° (2018)
- Heating degree days
- 532
- Cooling degree days
- 0
Old Saybrook Center in December
Highs average 45°7° and lows 32°0°, with — of precipitation in a typical December.
- Record high
- 64°18° (2018)
- Record low
- 9°−13° (2017)
- Heating degree days
- 823
- Cooling degree days
- 0