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Old Saybrook (CT) Weather and Climate: A Comprehensive Guide

The temperature in Old Saybrook can vary greatly throughout the year. The temperatures shift from warm to cold. It also experiences much rain/snowfall throughout the year. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Old Saybrook. Average daytime temperatures reach a comfortable 28°C in July. In February, the coolest month of the year, temperatures drop to a chilly 4°C.

At night, you can expect cooler temperatures, with averages dropping to around -5°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Old Saybrook has a relatively rain/snowy climate with high precipitation levels, averaging 1273 mm of rain/snowfall annually. Despite minor fluctuations, Old Saybrook enjoys fairly consistent precipitation throughout the year. In June, you can expect around 135 mm of precipitation, while in November, Old Saybrook receives about 90 mm.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Old Saybrook can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 4.6 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Hartford, the United States of America (58 KM, 36 Miles).

Daily hours of sunshine

Data from: Hartford, the United States of America (58 KM, 36 Miles).

Forecast for Old Saybrook (CT)

Fri   Dec 27
5°C | -6°C
SW 4 m/s
partly cloudy and no rain

partly cloudy and no rain

Sat   Dec 28
7°C | -1°C
S 4 m/s
1.2 mm
overcast and slight rain

overcast and slight rain

Sun   Dec 29
13°C | 5°C
S 7 m/s
2.7 mm
overcast and slight rain

overcast and slight rain

The best time of year to visit Old Saybrook in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Old Saybrook?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Old Saybrook?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in Old Saybrook?
    June tops the wettest month list with 135 mm of rainfall.
  • Which is the driest month in Old Saybrook?
    November is the driest month with 90 mm of precipitation.
  • Which is the sunniest month in Old Saybrook?
    July is the sunniest month with an average of 293 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.