October Weather in Colchester, United States

Last updated: June 24, 2025

In Colchester, United States, the average temperature in October hovers around 13°C (56°F). Expect a temperature range that can drop to a chilly -5°C (23°F), while occasional warm days might reach up to 32°C (90°F). With 112 mm (4.4 in) of precipitation spread over 11 days and an average humidity of 78%, it's a month of diverse weather—perfect for those who appreciate variety!

October Temperature in Colchester

In October in Colchester, the average temperature is 13°C (56°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as -5°C (23°F). Be prepared for a wide range of temperatures when traveling during this time.

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 13°C (56°F), with highs reaching up to 32°C (90°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Colchester generated using information from the Copernicus Climate Change Service.

October Precipitation in Colchester

In Colchester in October, the precipitation amount is 112 mm (4.4 in) that occurs over the course of 11 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 112 mm (4.4 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Colchester

In Colchester in October, humidity is 78%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities a bit uncomfortable, creating a heavy atmosphere that clings to the skin, urging travelers to dress in layers for warmth and comfort.

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 78%, offering insight into how humid the weather typically is during this month.

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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Colchester, you can refer to this 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 6, which falls under the high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	58 mm (2.3 inches)	81%	moderate
February Weather	-2°C (29°F)	65 mm (2.5 inches)	81%	moderate
March Weather	6°C (42°F)	116 mm (4.6 inches)	81%	high
April Weather	11°C (51°F)	105 mm (4.1 inches)	82%	very high
May Weather	18°C (64°F)	169 mm (6.6 inches)	78%	very high
June Weather	24°C (75°F)	136 mm (5.3 inches)	81%	extreme
July Weather	25°C (78°F)	95 mm (3.7 inches)	79%	very high
August Weather	24°C (75°F)	93 mm (3.7 inches)	77%	very high
September Weather	21°C (70°F)	92 mm (3.6 inches)	78%	very high
October Weather	13°C (56°F)	112 mm (4.4 inches)	78%	high
November Weather	5°C (41°F)	53 mm (2.1 inches)	87%	moderate
December Weather	1°C (35°F)	47 mm (1.9 inches)	84%	low