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October Weather in Arnold, United States

Last updated: June 24, 2025

In October, the average temperature in Arnold, United States hovers around 9°C (48°F). However, be prepared for a range that can dip to a chilly -14°C (8°F) or soar to a warm 30°C (87°F). With 54 mm (2.1 in) of precipitation spread over about 7 days, you might want to pack an umbrella! Additionally, the average humidity sits at 64%, making for a pleasantly moderate climate.

October Temperature in Arnold

In October in Arnold, the average temperature is 9°C (48°F), with maximums reaching 30°C (87°F) and minimums plummeting to as low as -14°C (8°F). This wide temperature range means travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates October temperature patterns in Arnold, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arnold, October typically has an average temperature of 9°C (48°F), with highs reaching up to 30°C (87°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec262438465772757266483830
Data source: Temperature data for Arnold 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 Arnold

In Arnold in October, the precipitation amount is 54 mm (2.1 in) over a duration of 7 days.

October Precipitation Trends in Arnold

The chart displays monthly precipitation patterns in Arnold, 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 Arnold, October typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1723694813181827258542733
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Arnold

In Arnold in October, humidity is 64%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that can make outdoor activities less enjoyable, requiring travelers to bundle up and perhaps seek indoor attractions to stay warm and comfortable.

October Average Humidity in Arnold

This chart illustrates the average monthly humidity levels in Arnold, 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 Arnold is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Arnold

In Arnold 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 Arnold, you can refer to this Hourly UV Index in Arnold.

Maximum UV Index Levels in Arnold for October

The chart shows the monthly maximum UV Index (UVI) for Arnold 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 Arnold typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568101111109643
Data source: Arnold 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 Arnold Compares to Other Months

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

This table compares monthly weather conditions in Arnold, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)17 mm (0.7 inches)73%moderate
February Weather-4°C (25°F)23 mm (0.9 inches)80%moderate
March Weather3°C (39°F)69 mm (2.7 inches)64%high
April Weather8°C (46°F)48 mm (1.9 inches)64%very high
May Weather14°C (58°F)131 mm (5.1 inches)76%very high
June Weather22°C (72°F)81 mm (3.2 inches)79%extreme
July Weather24°C (76°F)82 mm (3.2 inches)77%extreme
August Weather22°C (73°F)72 mm (2.8 inches)79%very high
September Weather19°C (67°F)58 mm (2.3 inches)70%very high
October Weather9°C (48°F)54 mm (2.1 inches)64%high
November Weather4°C (39°F)27 mm (1.1 inches)75%moderate
December Weather-1°C (30°F)33 mm (1.3 inches)78%moderate

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