October Weather in Guernsey, United States

Last updated: June 24, 2025

In October, the average temperature in Guernsey, United States hovers around 8°C (47°F). However, you can expect a wide range, with minimums dropping to -23°C (-9°F) and maximums soaring to 30°C (87°F). With an average humidity of 71% and precipitation amounting to 33 mm (1.3 in) over 6 days, be prepared for a varied climate this month!

October Temperature in Guernsey

In October in Guernsey, the average temperature is 8°C (47°F). The maximum can reach 30°C (87°F), and the minimum can be as low as -23°C (-9°F). Be prepared for a wide range of temperatures when traveling this month, so pack accordingly!

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

The chart illustrates October temperature patterns in Guernsey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guernsey, October typically has an average temperature of 8°C (47°F), with highs reaching up to 30°C (87°F) and lows dropping to around -23°C (-9°F).

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

October Precipitation in Guernsey

In Guernsey, in October, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

October Precipitation Trends in Guernsey

The chart displays monthly precipitation patterns in Guernsey, 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 Guernsey, October typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 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 Guernsey

In Guernsey in October humidity is 71%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that curtails your desire to wander freely, making every step outside feel heavier and the air thick with moisture, perfect for cozying up indoors rather than exploring the sights.

October Average Humidity in Guernsey

This chart illustrates the average monthly humidity levels in Guernsey, 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 Guernsey is approximately 71%, 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 Guernsey

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

Maximum UV Index Levels in Guernsey for October

The chart shows the monthly maximum UV Index (UVI) for Guernsey 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 Guernsey typically reaches 6, which falls under the high exposure category.

Data source: Guernsey 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 Guernsey Compares to Other Months

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

This table compares monthly weather conditions in Guernsey, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	12 mm (0.5 inches)	73%	moderate
February Weather	-2°C (29°F)	23 mm (0.9 inches)	78%	moderate
March Weather	4°C (39°F)	50 mm (2.0 inches)	64%	high
April Weather	8°C (46°F)	45 mm (1.8 inches)	66%	very high
May Weather	13°C (55°F)	85 mm (3.3 inches)	74%	very high
June Weather	21°C (70°F)	37 mm (1.5 inches)	84%	extreme
July Weather	25°C (77°F)	27 mm (1.1 inches)	85%	extreme
August Weather	23°C (74°F)	16 mm (0.6 inches)	85%	very high
September Weather	19°C (66°F)	24 mm (0.9 inches)	76%	very high
October Weather	8°C (47°F)	33 mm (1.3 inches)	71%	high
November Weather	4°C (40°F)	17 mm (0.7 inches)	73%	moderate
December Weather	1°C (33°F)	17 mm (0.7 inches)	75%	moderate