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October Weather in Shannon, United States

Last updated: June 24, 2025

In Shannon, United States, the average temperature in October typically hovers around 19°C (66°F). Expect a wide temperature range, with minimums dipping to 1°C (34°F) and maximums soaring up to 38°C (100°F). During this month, you can anticipate about 111 mm (4.4 in) of precipitation over 9 days, contributing to an average humidity level of 73%.

October Temperature in Shannon

In October in Shannon, the average temperature is 19°C (66°F), with maximums reaching up to 38°C (100°F) and minimums dropping as low as 1°C (34°F). It's advisable to pack both light clothing for the warm days and some warmer layers for the cooler evenings when traveling during this time.

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

The chart illustrates October temperature patterns in Shannon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shannon, October typically has an average temperature of 19°C (66°F), with highs reaching up to 38°C (100°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec455057627278818177665249
Data source: Temperature data for Shannon 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 Shannon

In Shannon in October, the precipitation amount is 111 mm (4.4 in) over the course of 9 days.

October Precipitation Trends in Shannon

The chart displays monthly precipitation patterns in Shannon, 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 Shannon, October typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1241901611591221341041269011173142
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Shannon

In Shannon in October humidity is 73%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly sticky, as you find yourself seeking shade and refreshing drinks while exploring.

October Average Humidity in Shannon

This chart illustrates the average monthly humidity levels in Shannon, 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 Shannon is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Shannon

In Shannon 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 Shannon.

Maximum UV Index Levels in Shannon for October

The chart shows the monthly maximum UV Index (UVI) for Shannon 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 Shannon typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109764
Data source: Shannon 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 Shannon Compares to Other Months

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

This table compares monthly weather conditions in Shannon, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)124 mm (4.9 inches)85%moderate
February Weather10°C (50°F)190 mm (7.5 inches)84%high
March Weather14°C (58°F)161 mm (6.3 inches)82%very high
April Weather17°C (63°F)159 mm (6.3 inches)82%very high
May Weather22°C (73°F)122 mm (4.8 inches)82%extreme
June Weather26°C (79°F)134 mm (5.3 inches)79%extreme
July Weather27°C (82°F)104 mm (4.1 inches)82%extreme
August Weather27°C (81°F)126 mm (5.0 inches)77%very high
September Weather25°C (77°F)90 mm (3.5 inches)74%very high
October Weather19°C (66°F)111 mm (4.4 inches)73%high
November Weather11°C (52°F)73 mm (2.9 inches)85%high
December Weather9°C (49°F)142 mm (5.6 inches)88%moderate

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