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October Weather in Swansea, United States

Last updated: June 24, 2025

In October, the average temperature in Swansea, United States is a pleasant 15°C (60°F). However, be prepared for a range of temperatures, as it can dip as low as -3°C (28°F) and soar up to 34°C (94°F). Expect 107 mm (4.2 in) of precipitation over about 10 days, contributing to an average humidity of 76%. Always pack accordingly to enjoy your time in this dynamic climate!

October Temperature in Swansea

In October in Swansea, the average temperature is 15°C (60°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as -3°C (28°F). It's a month of diverse weather, so travelers should be prepared for varying conditions.

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

The chart illustrates October temperature patterns in Swansea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swansea, October typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647566877807773604539
Data source: Temperature data for Swansea 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 Swansea

In Swansea in October, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

October Precipitation Trends in Swansea

The chart displays monthly precipitation patterns in Swansea, 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 Swansea, October typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec808313914815810091129591077767
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Swansea

In Swansea in October humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.

October Average Humidity in Swansea

This chart illustrates the average monthly humidity levels in Swansea, 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 Swansea is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Swansea

In Swansea in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Swansea.

Maximum UV Index Levels in Swansea for October

The chart shows the monthly maximum UV Index (UVI) for Swansea 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 Swansea typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Swansea 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 Swansea Compares to Other Months

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

This table compares monthly weather conditions in Swansea, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)80 mm (3.2 inches)82%moderate
February Weather2°C (36°F)83 mm (3.3 inches)80%moderate
March Weather9°C (48°F)139 mm (5.5 inches)80%high
April Weather13°C (56°F)148 mm (5.8 inches)80%very high
May Weather20°C (68°F)158 mm (6.2 inches)82%very high
June Weather25°C (77°F)100 mm (4.0 inches)83%extreme
July Weather27°C (80°F)91 mm (3.6 inches)81%very high
August Weather25°C (77°F)129 mm (5.1 inches)80%very high
September Weather23°C (73°F)59 mm (2.3 inches)76%very high
October Weather15°C (60°F)107 mm (4.2 inches)76%high
November Weather7°C (45°F)77 mm (3.0 inches)85%moderate
December Weather4°C (40°F)67 mm (2.7 inches)86%moderate

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