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October Weather in Colchester, United States

Last updated: June 24, 2025

The average temperature in Colchester, United States during October is a crisp 11°C (52°F). Expect chilly spells with a minimum temperature dipping to -3°C (27°F), while the pleasant days can reach up to 26°C (79°F). Prepare for some moisture, as the region experiences 142 mm (5.6 in) of precipitation over 13 days, with an average humidity level of 86% that adds to the overall ambiance of this intriguing month.

October Temperature in Colchester

In October in Colchester, the average temperature is 11°C (52°F), with maximums reaching up to 26°C (79°F) and minimums dropping as low as -3°C (27°F). This diverse temperature range makes Colchester an intriguing destination for travelers seeking both mild and cooler experiences during their visit.

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

The chart illustrates October temperature patterns in Colchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colchester, October typically has an average temperature of 11°C (52°F), with highs reaching up to 26°C (79°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec212431445766727063513728
Data source: Temperature data for Colchester 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 Colchester

In Colchester in October, the precipitation amount is 142 mm (5.6 in) spread over 13 days.

October Precipitation Trends in Colchester

The chart displays monthly precipitation patterns in Colchester, 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 Colchester, October typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec767470101819096826514210473
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Colchester

In Colchester in October humidity is 86%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek sheltered spots or indoor attractions to escape the uncomfortable dampness.

October Average Humidity in Colchester

This chart illustrates the average monthly humidity levels in Colchester, 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 Colchester is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Colchester

In Colchester in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Colchester.

Maximum UV Index Levels in Colchester for October

The chart shows the monthly maximum UV Index (UVI) for Colchester 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 Colchester typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Colchester 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 Colchester Compares to Other Months

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

This table compares monthly weather conditions in Colchester, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)76 mm (3.0 inches)93%low
February Weather-5°C (24°F)74 mm (2.9 inches)92%moderate
March Weather-1°C (31°F)69 mm (2.7 inches)86%moderate
April Weather7°C (44°F)101 mm (4.0 inches)85%very high
May Weather14°C (57°F)81 mm (3.2 inches)80%very high
June Weather19°C (66°F)90 mm (3.5 inches)74%very high
July Weather22°C (72°F)96 mm (3.8 inches)76%very high
August Weather21°C (70°F)82 mm (3.2 inches)75%very high
September Weather17°C (63°F)65 mm (2.6 inches)78%high
October Weather11°C (52°F)142 mm (5.6 inches)86%moderate
November Weather3°C (37°F)104 mm (4.1 inches)88%moderate
December Weather-2°C (28°F)73 mm (2.9 inches)89%low

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