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October Weather in Norwalk, United States

Last updated: June 24, 2025

In October, the average temperature in Norwalk, United States hovers around 11°C (53°F). Expect temperature extremes, with a minimum of -6°C (22°F) and a maximum reaching up to 32°C (89°F). With an average humidity of 75%, the area experiences 126 mm (4.9 in) of precipitation over approximately 11 days. Be prepared for a mix of brisk and balmy days!

October Temperature in Norwalk

In October in Norwalk, the average temperature is 11°C (53°F), with maximums reaching up to 32°C (89°F) and minimums dropping as low as -6°C (22°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates October temperature patterns in Norwalk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Norwalk, October typically has an average temperature of 11°C (53°F), with highs reaching up to 32°C (89°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec232440506275777469533931
Data source: Temperature data for Norwalk 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.

October Precipitation in Norwalk

In Norwalk in October, the precipitation amount is 126 mm (4.9 in) over the course of 11 days.

October Precipitation Trends in Norwalk

The chart displays monthly precipitation patterns in Norwalk, 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 Norwalk, October typically receives around 126 mm (4.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec3840837217112267821121263937
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Norwalk

In Norwalk in October humidity is 75%. With an average temperature of 11°C (53°F), this humidity feels like a cool, damp embrace that can make exploring the area feel more challenging, as you constantly contend with the moisture in the air while trying to enjoy your travels.

October Average Humidity in Norwalk

This chart illustrates the average monthly humidity levels in Norwalk, 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 Norwalk is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Norwalk

In Norwalk in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Norwalk, you can refer to this Hourly UV Index in Norwalk.

Maximum UV Index Levels in Norwalk for October

The chart shows the monthly maximum UV Index (UVI) for Norwalk 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 Norwalk typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Norwalk 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 Norwalk Compares to Other Months

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

This table compares monthly weather conditions in Norwalk, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)38 mm (1.5 inches)78%moderate
February Weather-4°C (24°F)40 mm (1.6 inches)80%moderate
March Weather4°C (40°F)83 mm (3.3 inches)77%high
April Weather10°C (50°F)72 mm (2.9 inches)77%very high
May Weather17°C (63°F)171 mm (6.7 inches)77%very high
June Weather24°C (75°F)122 mm (4.8 inches)81%extreme
July Weather25°C (78°F)67 mm (2.6 inches)81%very high
August Weather24°C (75°F)82 mm (3.2 inches)77%very high
September Weather20°C (69°F)112 mm (4.4 inches)73%very high
October Weather11°C (53°F)126 mm (4.9 inches)75%high
November Weather4°C (39°F)39 mm (1.5 inches)85%moderate
December Weather0°C (31°F)37 mm (1.5 inches)83%moderate

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