April Weather in Stamford, United States

Last updated: June 24, 2025

In April, the average temperature in Stamford, United States hovers around 7°C (44°F), with a potential dip to as low as -8°C (19°F) or a peak of 26°C (80°F). Expect 115 mm (4.5 in) of precipitation spread over about 15 days, contributing to an average humidity of 84%. Prepare for a mixed bag of weather!

April Temperature in Stamford

In April in Stamford, the average temperature is 7°C (44°F), with a maximum that can reach 26°C (80°F) and a minimum that can drop to -8°C (19°F). It’s advisable to pack layers and prepare for a range of weather conditions when traveling during this time.

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

The chart illustrates April 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, April typically has an average temperature of 7°C (44°F), with highs reaching up to 26°C (80°F) and lows dropping to around -8°C (19°F).

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

April Precipitation in Stamford

In Stamford in April, the total precipitation amount is 115 mm (4.5 in) over a span of 15 days.

April Precipitation Trends in Stamford

The chart displays monthly precipitation patterns in Stamford, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Stamford, April typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Stamford

In Stamford in April humidity is 84%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling and requiring extra layers to stay warm and dry.

April Average Humidity in Stamford

This chart illustrates the average monthly humidity levels in Stamford, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Stamford is approximately 84%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Stamford

In Stamford in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Stamford.

Maximum UV Index Levels in Stamford for April

The chart shows the monthly maximum UV Index (UVI) for Stamford in April, 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 April, the maximum UV index in Stamford typically reaches 9, which falls under the very high exposure category.

Data source: Stamford April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	75 mm (2.9 inches)	89%	moderate
February Weather	-3°C (27°F)	93 mm (3.7 inches)	88%	moderate
March Weather	0°C (33°F)	88 mm (3.4 inches)	86%	high
April Weather	7°C (44°F)	115 mm (4.5 inches)	84%	very high
May Weather	13°C (56°F)	115 mm (4.5 inches)	76%	very high
June Weather	18°C (65°F)	99 mm (3.9 inches)	72%	very high
July Weather	21°C (70°F)	118 mm (4.6 inches)	66%	very high
August Weather	20°C (68°F)	110 mm (4.3 inches)	64%	very high
September Weather	16°C (62°F)	96 mm (3.8 inches)	72%	very high
October Weather	11°C (51°F)	137 mm (5.4 inches)	81%	high
November Weather	2°C (37°F)	94 mm (3.7 inches)	87%	moderate
December Weather	-2°C (29°F)	93 mm (3.7 inches)	84%	low