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October Weather in Mostyn, United Kingdom

Last updated: August 27, 2025

In Mostyn, United Kingdom, the average temperature in October hovers around 11°C (52°F), with minimums dipping to -2°C (29°F) and maximums peaking at 21°C (71°F). Expect about 94 mm (3.7 in) of precipitation over 16 days, accompanied by high humidity levels averaging 90%.

October Temperature in Mostyn

In October in Mostyn, the average temperature is 11°C (52°F). Maximum temperatures can reach 21°C (71°F), while minimums can drop as low as -2°C (29°F). This makes Mostyn a great destination for travelers seeking a mix of mild and cooler weather.

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

The chart illustrates October temperature patterns in Mostyn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mostyn, October typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (71°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec424345485459626157524643
Data source: Temperature data for Mostyn 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 Mostyn

In Mostyn in October, the precipitation amount is 94 mm (3.7 in) over a span of 16 days.

October Precipitation Trends in Mostyn

The chart displays monthly precipitation patterns in Mostyn, 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 Mostyn, October typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6577845368949698949478101
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Mostyn

In Mostyn 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 Mostyn

This chart illustrates the average monthly humidity levels in Mostyn, 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 Mostyn 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 Mostyn

In Mostyn 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 Mostyn for better planning.

Maximum UV Index Levels in Mostyn for October

The chart shows the monthly maximum UV Index (UVI) for Mostyn 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 Mostyn typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875421
Data source: Mostyn 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 Mostyn Compares to Other Months

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

This table compares monthly weather conditions in Mostyn, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)65 mm (2.6 inches)89%low
February Weather6°C (43°F)77 mm (3.0 inches)88%low
March Weather7°C (45°F)84 mm (3.3 inches)86%moderate
April Weather9°C (48°F)53 mm (2.1 inches)84%moderate
May Weather12°C (54°F)68 mm (2.7 inches)79%high
June Weather15°C (60°F)94 mm (3.7 inches)81%very high
July Weather17°C (62°F)96 mm (3.8 inches)78%very high
August Weather16°C (61°F)98 mm (3.9 inches)79%high
September Weather14°C (57°F)94 mm (3.7 inches)85%moderate
October Weather11°C (52°F)94 mm (3.7 inches)90%moderate
November Weather8°C (47°F)78 mm (3.1 inches)91%low
December Weather6°C (44°F)100 mm (4.0 inches)89%low

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