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October Weather in Harrison, United States

Last updated: June 24, 2025

In Harrison, United States, the average temperature in October hovers around 7°C (46°F). While it can dip as low as -19°C (-3°F), it can also reach a warm 30°C (86°F). Expect about 45 mm (1.8 in) of precipitation spread over 6 days, contributing to an average humidity of 71%.

October Temperature in Harrison

In October in Harrison, the average temperature is 7°C (46°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -19°C (-3°F). Travelers should be prepared for a wide range of temperatures during their visit.

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

The chart illustrates October temperature patterns in Harrison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harrison, October typically has an average temperature of 7°C (46°F), with highs reaching up to 30°C (86°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec292537445468747163453831
Data source: Temperature data for Harrison 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 Harrison

In Harrison in October, the precipitation amount is 45 mm (1.8 in) over the course of 6 days.

October Precipitation Trends in Harrison

The chart displays monthly precipitation patterns in Harrison, 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 Harrison, October typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec162857579157433535462226
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Harrison

In Harrison in October humidity is 71%. With an average temperature of 7°C (46°F), this humidity feels like a chilly fog wrapping around you, making every step feel heavier and damp, while the cool air sends shivers down your spine—perfect for layering up, yet a bit challenging for prolonged outdoor adventures.

October Average Humidity in Harrison

This chart illustrates the average monthly humidity levels in Harrison, 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 Harrison is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%78%64%66%74%84%85%85%76%71%73%75%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Harrison

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

Maximum UV Index Levels in Harrison for October

The chart shows the monthly maximum UV Index (UVI) for Harrison 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 Harrison typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35610101111108643
Data source: Harrison 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 Harrison Compares to Other Months

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

This table compares monthly weather conditions in Harrison, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)16 mm (0.6 inches)73%moderate
February Weather-4°C (26°F)28 mm (1.1 inches)78%moderate
March Weather3°C (38°F)57 mm (2.2 inches)64%high
April Weather6°C (44°F)57 mm (2.3 inches)66%very high
May Weather12°C (54°F)91 mm (3.6 inches)74%very high
June Weather20°C (68°F)57 mm (2.2 inches)84%extreme
July Weather23°C (74°F)43 mm (1.7 inches)85%extreme
August Weather22°C (71°F)35 mm (1.4 inches)85%very high
September Weather17°C (64°F)35 mm (1.4 inches)76%very high
October Weather7°C (46°F)45 mm (1.8 inches)71%high
November Weather4°C (39°F)22 mm (0.9 inches)73%moderate
December Weather0°C (31°F)26 mm (1.0 inches)75%moderate

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