Stamford
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Stamford, CT

A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above
A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above
January, like December, in Stamford, Connecticut, is another cold winter month, with average temperature varying between 38.1°F (3.4°C) and 19.2°F (-7.1°C).

Temperature

The coldest month is January, with an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 19.2°F (-7.1°C).

Rainfall

In January, in Stamford, Connecticut, the rain falls for 10.5 days. Throughout January, 4.5" (114.3mm) of precipitation is accumulated. In Stamford, Connecticut, during the entire year, the rain falls for 128.6 days and collects up to 52.8" (1340.9mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall in Stamford is January when snow falls for 4.8 days and typically aggregates up to 9.3" (236.2mm) of snow.

Ocean temperature

In January, the average ocean temperature is 41.7°F (5.4°C). Swimming in 41.7°F (5.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Stamford, the average length of the day is 9.6h.

Sunshine

In January, the average sunshine is 5h.

UV index

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Stamford?

The coldest month in Stamford is January, with an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 19.2°F (-7.1°C).

What is the temperature in January in Stamford?

In Stamford, Connecticut, in January, the average high-temperature is 38.1°F (3.4°C), and the average low-temperature is 19.2°F (-7.1°C).

How much does it rain in Stamford in January?

In January, the rain falls for 10.5 days. Throughout January, 4.5" (114.3mm) of precipitation is accumulated.

How many days does it snow in January in Stamford?

In Stamford, in January, during 4.8 snowfall days, 9.3" (236.2mm) of snow is typically accumulated.

What is the snowiest month in Stamford?

The month with the most snowfall in Stamford is January when snow falls for 4.8 days and typically aggregates up to 9.3" (236.2mm) of snow.

What is the water temperature in January in Stamford?

In Stamford, Connecticut, in January, the average water temperature is 41.7°F (5.4°C). Swimming in 41.7°F (5.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Stamford have in January?

In January, the average length of the day is 9.6h.

How long on average sun shines in January in Stamford?

In January, the average sunshine is 5h.

How high is the UV index in January in Stamford?

In Stamford, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in January - Stamford, CT
  • Average high temperature in January: 38.2°F

The warmest month (with the highest average high temperature) is July (85.4°F).
The month with the lowest average high temperature is January (38.2°F).

  • Average low temperature in January: 19.2°F

The month with the highest average low temperature is July (61.6°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average rainfall in January - Stamford, CT
  • Average rainfall in January: 4.5"

The wettest month (with the highest rainfall) is May (5").
The driest month (with the lowest rainfall) is February (3.3").

Average rainfall days in January - Stamford, CT
  • Average rainfall days in January: 10.5 days

Months with the highest number of rainy days are April and May (12.5 days).
The month with the lowest number of rainy days is October (9.2 days).

Average snowfall in January - Stamford, CT
  • Average snowfall in January: 9.3"

The month with the highest snowfall is January (9.3").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in January - Stamford, CT
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is January (4.8 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January - Stamford, CT
  • Average sea temperature in January: 41.6°F

The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).

Average daylight in January / Average sunshine in January - Stamford, CT
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 5h

Months with most sunshine are June and July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in January - Stamford, CT
  • Average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).