January Weather in Stamford, United States

Last updated: June 24, 2025

In January, the average temperature in Stamford, United States hovers around 7°C (45°F). Expect a range of temperatures, with a chilly minimum of -12°C (11°F) and a warm maximum reaching 28°C (83°F). During this month, you'll encounter 28 mm (1.1 in) of precipitation spread over approximately 3 days, leading to an average humidity of around 77%.

January Temperature in Stamford

In January in Stamford, the average temperature is 7°C (45°F). Maximum temperatures can reach 28°C (83°F), while the minimum can drop as low as -12°C (11°F). Be prepared for a wide range of temperatures when traveling to Stamford during this month.

January Weather in Stamford: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Stamford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stamford, January typically has an average temperature of 7°C (45°F), with highs reaching up to 28°C (83°F) and lows dropping to around -12°C (11°F).

Data source: Temperature data for Stamford generated using information from the Copernicus Climate Change Service.

January Precipitation in Stamford

In Stamford in January, the precipitation amount is 28 mm (1.1 in) over the course of 3 days.

January Precipitation Trends in Stamford

The chart displays monthly precipitation patterns in Stamford, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Stamford, January typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Stamford

In Stamford in January, humidity is 77%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making it important to dress in layers for comfort while exploring the area.

January Average Humidity in Stamford

This chart illustrates the average monthly humidity levels in Stamford, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Stamford is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Stamford

In Stamford in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Stamford for better planning.

Maximum UV Index Levels in Stamford for January

The chart shows the monthly maximum UV Index (UVI) for Stamford in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Stamford typically reaches 4, which falls under the moderate exposure category.

Data source: Stamford January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Stamford Compares to Other Months

Weather in Stamford varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Stamford, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Stamford, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	28 mm (1.1 inches)	77%	moderate
February Weather	8°C (47°F)	26 mm (1.0 inches)	76%	high
March Weather	15°C (60°F)	49 mm (1.9 inches)	74%	very high
April Weather	18°C (65°F)	66 mm (2.6 inches)	75%	very high
May Weather	24°C (75°F)	79 mm (3.1 inches)	80%	extreme
June Weather	28°C (83°F)	60 mm (2.4 inches)	80%	extreme
July Weather	30°C (86°F)	31 mm (1.2 inches)	75%	extreme
August Weather	29°C (85°F)	44 mm (1.7 inches)	67%	extreme
September Weather	26°C (78°F)	87 mm (3.4 inches)	64%	very high
October Weather	19°C (66°F)	67 mm (2.6 inches)	70%	very high
November Weather	13°C (55°F)	32 mm (1.3 inches)	82%	high
December Weather	9°C (49°F)	25 mm (1.0 inches)	85%	moderate