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October Weather in Blue Island, United States

Last updated: June 24, 2025

In Blue Island, United States, the average temperature in October hovers around 13°C (55°F). Expect a chilly minimum of -1°C (31°F) and a warm maximum of 29°C (85°F). During this period, the region experiences 142 mm (5.6 in) of precipitation over approximately 13 days, accompanied by an average humidity of 82%. Stay prepared for a mix of weather conditions!

October Temperature in Blue Island

In October in Blue Island, the average temperature is 13°C (55°F). The maximum can reach 29°C (85°F) and the minimum can be as low as -1°C (31°F). Overall, it's advisable to pack for a mix of mild and warm weather, ensuring you're prepared for both cool nights and sunny days.

October Weather in Blue Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Blue Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blue Island, October typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec272939475970747368554034
Data source: Temperature data for Blue Island 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 Blue Island

In Blue Island in October, the precipitation amount is 142 mm (5.6 in) spread over 13 days.

October Precipitation Trends in Blue Island

The chart displays monthly precipitation patterns in Blue Island, 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 Blue Island, October typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec68709512515614410484781426563
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Blue Island

In Blue Island in October, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

October Average Humidity in Blue Island

This chart illustrates the average monthly humidity levels in Blue Island, 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 Blue Island is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Blue Island

In Blue Island in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Blue Island, you can refer to this Hourly UV Index in Blue Island.

Maximum UV Index Levels in Blue Island for October

The chart shows the monthly maximum UV Index (UVI) for Blue Island 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 Blue Island typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Blue Island 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 Blue Island Compares to Other Months

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

This table compares monthly weather conditions in Blue Island, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)68 mm (2.7 inches)82%moderate
February Weather-2°C (29°F)70 mm (2.7 inches)83%moderate
March Weather4°C (39°F)95 mm (3.7 inches)84%high
April Weather8°C (47°F)125 mm (4.9 inches)85%very high
May Weather15°C (59°F)156 mm (6.1 inches)79%very high
June Weather21°C (70°F)144 mm (5.7 inches)82%very high
July Weather24°C (75°F)104 mm (4.1 inches)80%very high
August Weather23°C (73°F)84 mm (3.3 inches)81%very high
September Weather20°C (68°F)78 mm (3.1 inches)80%very high
October Weather13°C (55°F)142 mm (5.6 inches)82%high
November Weather4°C (40°F)65 mm (2.6 inches)88%moderate
December Weather1°C (34°F)63 mm (2.5 inches)84%low

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