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August Weather in Stamford, United States

Last updated: June 24, 2025

In August, the average temperature in Stamford, United States reaches a warm 29°C (85°F). However, temperatures can vary significantly, with a minimum of 16°C (61°F) and a scorching maximum of 42°C (108°F). Expect some rain, as the region receives about 44 mm (1.7 in) of precipitation over 6 days. With an average humidity of 67%, the climate is both tropical and inviting.

August Temperature in Stamford

In August in Stamford, the average temperature is 29°C (85°F), with maximums that can reach 42°C (108°F) and minimums that can drop to 16°C (61°F). It's advisable to prepare for both hot days and cooler evenings when visiting during this time.

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

The chart illustrates August 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, August typically has an average temperature of 29°C (85°F), with highs reaching up to 42°C (108°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec454759657583868578665549
Data source: Temperature data for Stamford generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Stamford

In Stamford in August, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.

August Precipitation Trends in Stamford

The chart displays monthly precipitation patterns in Stamford, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Stamford, August typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec282649667960324487673225
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Stamford

In Stamford in August, humidity is 67%. With an average temperature of 29°C (85°F), this humidity feels like a warm embrace, making travel feel sticky and heavy while adding a layer of intensity to every step.

August Average Humidity in Stamford

This chart illustrates the average monthly humidity levels in Stamford, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Stamford is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Stamford

In Stamford in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Stamford.

Maximum UV Index Levels in Stamford for August

The chart shows the monthly maximum UV Index (UVI) for Stamford in August, 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 August, the maximum UV index in Stamford typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101112121110864
Data source: Stamford August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)28 mm (1.1 inches)77%moderate
February Weather8°C (47°F)26 mm (1.0 inches)76%high
March Weather15°C (60°F)49 mm (1.9 inches)74%very high
April Weather18°C (65°F)66 mm (2.6 inches)75%very high
May Weather24°C (75°F)79 mm (3.1 inches)80%extreme
June Weather28°C (83°F)60 mm (2.4 inches)80%extreme
July Weather30°C (86°F)31 mm (1.2 inches)75%extreme
August Weather29°C (85°F)44 mm (1.7 inches)67%extreme
September Weather26°C (78°F)87 mm (3.4 inches)64%very high
October Weather19°C (66°F)67 mm (2.6 inches)70%very high
November Weather13°C (55°F)32 mm (1.3 inches)82%high
December Weather9°C (49°F)25 mm (1.0 inches)85%moderate

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