nomadseason

October Weather in Stamford, United States

Last updated: June 24, 2025

The average temperature in Stamford, United States during October is a comfortable 19°C (66°F). However, be prepared for some extremes, as temperatures can dip as low as -2°C (28°F) and soar up to 38°C (100°F). With an average precipitation amount of 67 mm (2.6 in) spread over 5 days, and a relative humidity of 70%, it's wise to pack accordingly!

October Temperature in Stamford

In October in Stamford, the average temperature is 19°C (66°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop as low as -2°C (28°F). Be prepared for a wide range of weather conditions while traveling during this time.

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

The chart illustrates October 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, October typically has an average temperature of 19°C (66°F), with highs reaching up to 38°C (100°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec454759657583868578665549
Data source: Temperature data for Stamford generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Stamford

In Stamford in October, the precipitation amount is 67 mm (2.6 in) over a span of 5 days.

October Precipitation Trends in Stamford

The chart displays monthly precipitation patterns in Stamford, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Stamford, October typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec282649667960324487673225
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Stamford

In Stamford in October humidity is 70%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket enveloping you, making travel a bit sticky and prompting frequent breaks for water as you explore the sights.

October Average Humidity in Stamford

This chart illustrates the average monthly humidity levels in Stamford, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Stamford is approximately 70%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Stamford

In Stamford in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Stamford.

Maximum UV Index Levels in Stamford for October

The chart shows the monthly maximum UV Index (UVI) for Stamford in October, 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 October, the maximum UV index in Stamford typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101112121110864
Data source: Stamford October 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 October 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 October’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 October’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

Compare Stamford's Climate with Cities Worldwide