Historical Weather in Stamford, CT
See 55+ years of weather history for any date in Stamford going back to 1970.
Part of Connecticut weather history · Connecticut temperature records
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Monthly Climate Averages
Historical temperature and precipitation averages for Stamford, CT, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 85°F / Low: 62°F
Coldest MonthJanuaryAvg High: 37°F / Low: 19°F
Jan
37°/ 19°
💧 10.8"
❄️ 2.0"
Feb
41°/ 21°
💧 9.8"
❄️ 2.4"
Mar
49°/ 29°
💧 11.2"
❄️ 2.1"
Apr
61°/ 38°
💧 10.3"
❄️ 2.0"
May
72°/ 48°
💧 9.9"
Jun
80°/ 57°
💧 10.3"
Jul
85°/ 62°
💧 10.4"
Aug
83°/ 61°
💧 10.9"
Sep
76°/ 54°
💧 13.2"
Oct
65°/ 42°
💧 12.2"
❄️ 0.8"
Nov
54°/ 34°
💧 10.9"
❄️ 1.9"
Dec
43°/ 25°
💧 10.0"
❄️ 1.8"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Stamford, CT Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Avg high Avg low
Stamford, CT Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rain (in) Snow (in)
Stamford, CT Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
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Hotter
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Best Time to Visit Stamford, CT
Stamford, CT has no months that meet our "pleasant" threshold — every season has tradeoffs.
Jan
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Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal
Stamford Temperature Records
- Record High: The hottest temperature ever recorded in Stamford, CT is 104°F, set on August 9, 2001.
- Record Low: The coldest temperature ever recorded in Stamford, CT is -18°F, set on January 18, 1982.
- Data Coverage: Based on 53 years of data from NOAA weather station: STAMFORD 5 N.
All-Time Record High
104°F
August 9, 2001
All-Time Record Low
-18°F
January 18, 1982
Monthly Temperature Records in Stamford
| Month | Record High | Record Low |
|---|---|---|
| January | 71°F(2007) | -18°F(1982) |
| February | 77°F(2018) | -15°F(1996) |
| March | 85°F(1998) | -7°F(2003) |
| April | 96°F(2002) | 16°F(1982) |
| May | 97°F(1996) | 26°F(2008) |
| June | 99°F(2025) | 35°F(1986) |
| July | 102°F(1995) | 43°F(1979) |
| August | 104°F(2001) | 39°F(1986) |
| September | 98°F(1983) | 29°F(2000) |
| October | 91°F(2019) | 16°F(1976) |
| November | 82°F(2003) | 6°F(2018) |
| December | 76°F(1998) | -13°F(1980) |
Stamford Snow RecordsSee the top 10 snowiest days ever recorded
→Holiday Weather in Stamford
Weather Analysis & Trends
RecordsHottest Temperatures Ever Recorded in Every US StateAll 50 state record highs ranked, including Connecticut.Severe WeatherTornado Season 2026: Forecasts & What to ExpectAn EF5 already, and the peak still ahead.Climate ForecastEl Niño 2026: What Every US Region Should Expect85% likely by late 2026. Region-by-region impact analysis.