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North Stamford, CT Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in North Stamford, CT?
North Stamford, CT gets 51.6 in of precipitation a year over about 121 rainy days, and about 34.0 in of snow a season. July is the warmest month (average high 86°F) and January the coldest (average low 21°F).
Humid continental climate
North Stamford, CT has hot summers and chilly winters. Daytime highs range from about 39°F in January to 86°F in July. September is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically April to May and October, when daytime highs sit near 67°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 23° | 42° |
| Spring | Mar–May | 39° | 62° |
| Summer | Jun–Aug | 61° | 83° |
| Autumn | Sep–Nov | 44° | 65° |
How much rain does North Stamford get?
North Stamford gets 51.6 in of precipitation in an average year, spread over about 121 days with measurable rain. That is more rainy days than 79% of the US.
September is the wettest month, with 5.2 in. February is the driest, with 3.1 in. May has the most rainy days, about 12.
From September 2025 to August 2026 North Stamford got 48.3 in of rain, against a normal of 51.6 in for those months. July 2026 had the most, with 10.5 in.
See where North Stamford ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Connecticut.
Does it snow in North Stamford?
Yes. North Stamford gets about 34.0 in of snow in an average season, measured at the reporting station.
The snowiest winter on record is 1995–96, with 75.7 in.
The most recent measurable snow at the station fell on February 25, 2026.
From September 2025 to August 2026 the station measured 55.9 in of snow, against a normal of 34.0 in for those months. February 2026 had the most, with 22.7 in.
See where North Stamford ranks: snowiest cities in the US.
North Stamford weather by month
North Stamford weather in January
In January, North Stamford averages a high of 39°F and a low of 21°F. It gets 4.3 in of precipitation over about 11 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The January record high is 69°F (2007) and the record low is -18°F (1982).
North Stamford weather in February
In February, North Stamford averages a high of 42°F and a low of 22°F. It gets 3.1 in of precipitation over about 8 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The February record high is 74°F (1985) and the record low is -15°F (1996).
North Stamford weather in March
In March, North Stamford averages a high of 50°F and a low of 29°F. It gets 4.7 in of precipitation over about 10 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The March record high is 85°F (1998) and the record low is -3°F (2015).
North Stamford weather in April
In April, North Stamford averages a high of 63°F and a low of 39°F. It gets 4.4 in of precipitation over about 12 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The April record high is 96°F (2002) and the record low is 16°F (1982). April is one of the most comfortable months to visit.
North Stamford weather in May
In May, North Stamford averages a high of 73°F and a low of 48°F. It gets 4.1 in of precipitation over about 12 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The May record high is 97°F (1996) and the record low is 28°F (1974). May is one of the most comfortable months to visit.
North Stamford weather in June
In June, North Stamford averages a high of 81°F and a low of 57°F. It gets 4.9 in of precipitation over about 11 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The June record high is 97°F (1999) and the record low is 35°F (1986).
North Stamford weather in July
In July, North Stamford averages a high of 86°F and a low of 63°F. It gets 3.8 in of precipitation over about 9 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The July record high is 102°F (1995) and the record low is 43°F (1979).
North Stamford weather in August
In August, North Stamford averages a high of 84°F and a low of 62°F. It gets 3.8 in of precipitation over about 9 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The August record high is 104°F (2001) and the record low is 39°F (1986).
North Stamford weather in September
In September, North Stamford averages a high of 77°F and a low of 55°F. It gets 5.2 in of precipitation over about 9 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The September record high is 97°F (1983) and the record low is 30°F (1974).
North Stamford weather in October
In October, North Stamford averages a high of 65°F and a low of 44°F. It gets 4.6 in of precipitation over about 9 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The October record high is 91°F (2019) and the record low is 16°F (1976). October is one of the most comfortable months to visit.
North Stamford weather in November
In November, North Stamford averages a high of 54°F and a low of 34°F. It gets 4.2 in of precipitation over about 10 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The November record high is 82°F (2003) and the record low is 7°F (1989).
North Stamford weather in December
In December, North Stamford averages a high of 44°F and a low of 27°F. It gets 4.4 in of precipitation over about 11 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The December record high is 76°F (1998) and the record low is -13°F (1980).
Sunshine, humidity and wind in North Stamford
November is the sunniest month in North Stamford, with estimated sunshine of 56% of daylight hours from ERA5 cloud cover. January is the cloudiest, at 39%. The annual cloud-cover estimate is 43% of daylight hours; it is not a measurement of sunshine duration. North Stamford is cloudier than 71% of the US.
Humidity peaks in September at 72% and is lowest in March at 57%.
North Stamford has about 16 days a year above 90°F. North Stamford is cooler than 67% of the US.
Thunderstorms occur on about 14 days a year.
See where North Stamford ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in North Stamford
The first fall freeze in North Stamford typically comes around October 14, and the last spring freeze around April 25. That leaves a frost-free growing season of about 172 days.
North Stamford weather records
These records cover STAMFORD 5 N during 1970–2022. Earlier records or other stations in the city may differ.
The hottest temperature on record at the North Stamford station is 104°F, on August 9, 2001. The coldest is -18°F, on January 18, 1982.
The wettest day in the available station history brought 6.1 in of precipitation, on June 19, 1972.
32 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.5°F per decade since 1970.
The best time to visit North Stamford
The most comfortable time to visit is typically April to May and October, when daytime highs sit near 67°F.
Winter (December–February) is chilly, with average highs around 42°F and lows near 23°F. Snow is possible.
Spring (March–May) is mild, with average highs around 62°F and lows near 39°F.
Summer (June–August) is hot, with average highs around 83°F and lows near 61°F. It can feel humid.
Autumn (September–November) is mild, with average highs around 65°F and lows near 44°F.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 21° | 39° | 4.3 in | 11 | 66% | 39% | 69° | -18° |
| February | 22° | 42° | 3.1 in | 8 | 62% | 43% | 74° | -15° |
| March | 29° | 50° | 4.7 in | 10 | 57% | 42% | 85° | -3° |
| April | 39° | 63° | 4.4 in | 12 | 58% | 40% | 96° | 16° |
| May | 48° | 73° | 4.1 in | 12 | 62% | 42% | 97° | 28° |
| June | 57° | 81° | 4.9 in | 11 | 66% | 40% | 97° | 35° |
| July | 63° | 86° | 3.8 in | 9 | 70% | 42% | 102° | 43° |
| August | 62° | 84° | 3.8 in | 9 | 70% | 41% | 104° | 39° |
| September | 55° | 77° | 5.2 in | 9 | 72% | 46% | 97° | 30° |
| October | 44° | 65° | 4.6 in | 9 | 71% | 48% | 91° | 16° |
| November | 34° | 54° | 4.2 in | 10 | 63% | 56% | 82° | 7° |
| December | 27° | 44° | 4.4 in | 11 | 68% | 42% | 76° | -13° |
Station: STAMFORD 5 N, 2 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2022; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
North Stamford climate questions
How much rain does North Stamford get?
North Stamford gets 51.6 in of precipitation in an average year, over about 121 rainy days.
What is the wettest month in North Stamford?
September is the wettest month in North Stamford, with 5.2 in. February is the driest, with 3.1 in.
How many rainy days does North Stamford have a year?
North Stamford has about 121 days with measurable rain in an average year. May has the most, about 12.
Does it snow in North Stamford?
Yes. North Stamford gets about 34.0 in of snow in an average season. The snowiest winter on record is 1995–96, with 75.7 in.
What is the hottest month in North Stamford?
July is the warmest month in North Stamford, with an average high of 86°F.
What is the coldest month in North Stamford?
January is the coldest month in North Stamford, with an average low of 21°F.
What is the record high temperature in North Stamford?
Within the available 1970–2022 station history, the record high at the North Stamford station is 104°F, set on August 9, 2001. The record low is -18°F, on January 18, 1982.
What is the sunniest month in North Stamford?
November is the sunniest month in North Stamford, with estimated sunshine of 56% of daylight hours from ERA5 cloud cover. January is the cloudiest.
When is the first frost in North Stamford?
The first fall freeze in North Stamford typically comes around October 14. The last spring freeze is around April 25.
What is the best time to visit North Stamford?
The most comfortable time to visit is typically April to May and October, when daytime highs sit near 67°F.