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October Weather in Trefnant, United Kingdom

Last updated: August 27, 2025

In October, the average temperature in Trefnant, United Kingdom hovers around 11°C (52°F). Expect a range where the minimum dips to -1°C (30°F) and the maximum can reach 21°C (70°F). You'll likely encounter 97 mm (3.8 in) of precipitation spread over 16 days, contributing to a notable average humidity of 90%.

October Temperature in Trefnant

In October in Trefnant, the average temperature is 11°C (52°F), with maximums reaching 21°C (70°F) and minimums dropping to as low as -1°C (30°F). This variability in temperatures means that travelers should pack both warm and light clothing to comfortably enjoy their time in Trefnant.

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

The chart illustrates October temperature patterns in Trefnant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trefnant, October typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (70°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344485359616157524643
Data source: Temperature data for Trefnant 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 Trefnant

In Trefnant in October, the total precipitation amount is 97 mm (3.8 in) over the course of 16 days.

October Precipitation Trends in Trefnant

The chart displays monthly precipitation patterns in Trefnant, 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 Trefnant, October typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6683895467989291939782106
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Trefnant

In Trefnant in October, humidity is 90%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket that clings to your skin, making travel uncomfortable and muggy.

October Average Humidity in Trefnant

This chart illustrates the average monthly humidity levels in Trefnant, 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 Trefnant is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Trefnant

In Trefnant 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 Trefnant for better planning.

Maximum UV Index Levels in Trefnant for October

The chart shows the monthly maximum UV Index (UVI) for Trefnant 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 Trefnant typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Trefnant 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 Trefnant Compares to Other Months

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

This table compares monthly weather conditions in Trefnant, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)66 mm (2.6 inches)89%low
February Weather6°C (43°F)83 mm (3.3 inches)88%low
March Weather7°C (45°F)88 mm (3.5 inches)86%moderate
April Weather9°C (48°F)54 mm (2.1 inches)84%moderate
May Weather12°C (53°F)67 mm (2.6 inches)79%high
June Weather15°C (59°F)98 mm (3.9 inches)81%very high
July Weather16°C (62°F)92 mm (3.6 inches)78%very high
August Weather16°C (61°F)91 mm (3.6 inches)79%high
September Weather14°C (57°F)93 mm (3.7 inches)85%moderate
October Weather11°C (52°F)97 mm (3.8 inches)90%moderate
November Weather8°C (47°F)82 mm (3.2 inches)91%low
December Weather6°C (44°F)106 mm (4.2 inches)89%low

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