October Weather in Saint Andrew, Guernsey

Last updated: August 23, 2025

In October, the average temperature in Saint Andrew, Guernsey hovers around 15°C (59°F). You'll experience a comfortable range with minimums dropping to 9°C (48°F) and maximums reaching 20°C (68°F). Prepare for 144 mm (5.7 in) of precipitation spread over 17 days, contributing to a high average humidity of 89%.

October Temperature in Saint Andrew

In October in Saint Andrew, the average temperature is 15°C (59°F). Maximums can reach 20°C (68°F) and minimums can be as low as 9°C (48°F). This mild climate makes Saint Andrew an ideal destination for travelers looking to enjoy comfortable weather while exploring the area.

October Weather in Saint Andrew: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Saint Andrew, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Andrew, October typically has an average temperature of 15°C (59°F), with highs reaching up to 20°C (68°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec484848505458616362595451
Data source: Temperature data for Saint Andrew 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 Saint Andrew

In Saint Andrew in October, the precipitation amount is 144 mm (5.7 in) over the course of 17 days.

October Precipitation Trends in Saint Andrew

The chart displays monthly precipitation patterns in Saint Andrew, 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 Saint Andrew, October typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec948673345559375063144126163
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Saint Andrew

In Saint Andrew in October humidity is 89%. With an average temperature of 15°C (59°F), this humidity feels like a damp blanket enveloping you, making even short walks feel heavy and sluggish, while creating a sense of heaviness in the air that can dampen the joy of exploring.

October Average Humidity in Saint Andrew

This chart illustrates the average monthly humidity levels in Saint Andrew, 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 Saint Andrew is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%84%81%77%63%71%76%89%90%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Saint Andrew

In Saint Andrew in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Saint Andrew for better planning.

Maximum UV Index Levels in Saint Andrew for October

The chart shows the monthly maximum UV Index (UVI) for Saint Andrew 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 Saint Andrew typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679876421
Data source: Saint Andrew 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 Saint Andrew Compares to Other Months

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

This table compares monthly weather conditions in Saint Andrew, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)94 mm (3.7 inches)89%low
February Weather9°C (48°F)86 mm (3.4 inches)88%moderate
March Weather9°C (49°F)73 mm (2.9 inches)85%moderate
April Weather10°C (50°F)34 mm (1.3 inches)84%high
May Weather12°C (54°F)55 mm (2.2 inches)81%high
June Weather14°C (58°F)59 mm (2.3 inches)77%very high
July Weather16°C (62°F)37 mm (1.5 inches)63%very high
August Weather17°C (63°F)50 mm (2.0 inches)71%high
September Weather17°C (62°F)63 mm (2.5 inches)76%high
October Weather15°C (59°F)144 mm (5.7 inches)89%moderate
November Weather12°C (54°F)126 mm (5.0 inches)90%low
December Weather11°C (51°F)163 mm (6.4 inches)90%low

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