Stamford (CT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Stamford.
Climate overview of Stamford
The climate in Stamford, Connecticut, United States of America, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in July to 4°C (39°F) in February.
The city receives considerable rain/snowfall, with around 1183 mm (47 in) annually. June is the wettest month. July is the sunniest month, averaging 9.0 hours of sunshine per day.
Stamford Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Stamford — and find the best time to visit.
Monthly Temperature in Stamford
In Stamford, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in July to a chilly 4°C (39°F) in the coolest month, February.
Nights vary from 19°C (66°F) in July to around -5°C (23°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Stamford
Stamford experiences significant rain/snowfall throughout the year, averaging 1183 mm (47 in) of precipitation annually. Stamford offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (128 mm (5 in)) and the driest month November (77 mm (3 in)) is not too significant. For more details, please visit our Stamford Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Stamford
For those who appreciate different seasons, Stamford serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.0 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Stamford by Month
The relative humidity is high throughout the year in Stamford.
The city experiences its highest humidity in September, reaching 68%. In April, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Stamford
Frequently asked questions about the climate in Stamford
What is the best time to visit Stamford?
May and September typically offer the most optimal weather in Stamford. In contrast, January, February, March and December tend to have less optimal conditions.
What temperatures can I expect in Stamford?
Daytime highs range from 4°C (39°F) in February to 30°C (86°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Stamford get?
Annual rainfall is around 1183 mm (47 in). June is the wettest month with 128 mm (5 in), while November is the driest with 77 mm (3 in).
How sunny is Stamford?
Stamford receives around 2,544 hours of sunshine per year. July is the sunniest month with 271 hours, while December is the cloudiest with just 141 hours. Overall, Stamford enjoys abundant sunshine.
Stamford 3-Day Forecast
Stamford (CT) 3-Day Forecast
Stamford on the map
Stamford is highlighted — select any city to see its climate.
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