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October Weather in Trumbull, United States

Last updated: June 24, 2025

In October, the average temperature in Trumbull, United States hovers around 15°C (59°F). However, expect a range of temperatures where the minimum can dip to 2°C (36°F) and the maximum can soar to 32°C (90°F). With an average precipitation amount of 152 mm (6.0 in) spread across 13 days, coupled with a humid atmosphere at 74%, it's a month that showcases nature's diversity.

October Temperature in Trumbull

In October in Trumbull, the average temperature is 15°C (59°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 2°C (36°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates October temperature patterns in Trumbull, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trumbull, October typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec323539495969757468594537
Data source: Temperature data for Trumbull 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 Trumbull

In Trumbull in October, the precipitation amount is 152 mm (6.0 in) occurring over 13 days.

October Precipitation Trends in Trumbull

The chart displays monthly precipitation patterns in Trumbull, 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 Trumbull, October typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec771149913511995132102105152101135
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Trumbull

In Trumbull in October, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

October Average Humidity in Trumbull

This chart illustrates the average monthly humidity levels in Trumbull, 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 Trumbull is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Trumbull

In Trumbull 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 Trumbull, you can refer to this Hourly UV Index in Trumbull.

Maximum UV Index Levels in Trumbull for October

The chart shows the monthly maximum UV Index (UVI) for Trumbull 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 Trumbull typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Trumbull 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 Trumbull Compares to Other Months

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

This table compares monthly weather conditions in Trumbull, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)77 mm (3.0 inches)84%moderate
February Weather1°C (35°F)114 mm (4.5 inches)82%moderate
March Weather4°C (40°F)99 mm (3.9 inches)81%high
April Weather9°C (49°F)135 mm (5.3 inches)78%very high
May Weather15°C (59°F)119 mm (4.7 inches)69%very high
June Weather20°C (69°F)95 mm (3.7 inches)69%very high
July Weather24°C (76°F)132 mm (5.2 inches)62%very high
August Weather23°C (74°F)102 mm (4.0 inches)65%very high
September Weather20°C (68°F)105 mm (4.1 inches)68%very high
October Weather15°C (59°F)152 mm (6.0 inches)74%high
November Weather7°C (46°F)100 mm (4.0 inches)82%moderate
December Weather3°C (37°F)135 mm (5.3 inches)80%low

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