October Weather in Summit, United States

Last updated: June 24, 2025

In October, the average temperature in Summit, United States hovers around 22°C (72°F). Expect to experience a range from a cool 2°C (36°F) to a warm 37°C (99°F). Rainfall is relatively light, with an estimated 10 mm (0.4 in) over 2 days. Humidity levels are moderate, averaging around 66%, making it a comfortable time to visit.

October Temperature in Summit

In October in Summit, the average temperature is 22°C (72°F). Maximums can reach 37°C (99°F), and minimums can be as low as 2°C (36°F). Pack accordingly for a range of temperatures to ensure a comfortable and enjoyable traveling experience.

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

The chart illustrates October temperature patterns in Summit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summit, October typically has an average temperature of 22°C (72°F), with highs reaching up to 37°C (99°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec525461707787868682726353
Data source: Temperature data for Summit 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 Summit

In Summit in October, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

October Precipitation Trends in Summit

The chart displays monthly precipitation patterns in Summit, 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 Summit, October typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec193014337504231101323
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Summit

In Summit in October, humidity is 66%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, enveloping blanket, making it essential to stay hydrated while exploring the sights and taking regular breaks in shaded areas.

October Average Humidity in Summit

This chart illustrates the average monthly humidity levels in Summit, 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 Summit is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%60%43%32%28%38%60%72%66%74%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Summit

In Summit in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Summit.

Maximum UV Index Levels in Summit for October

The chart shows the monthly maximum UV Index (UVI) for Summit 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 Summit typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213121211865
Data source: Summit 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 Summit Compares to Other Months

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

This table compares monthly weather conditions in Summit, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)19 mm (0.7 inches)74%moderate
February Weather12°C (55°F)29 mm (1.2 inches)71%high
March Weather16°C (61°F)14 mm (0.5 inches)60%very high
April Weather21°C (70°F)3 mm (0.1 inches)43%extreme
May Weather25°C (77°F)3 mm (0.1 inches)32%extreme
June Weather30°C (87°F)7 mm (0.3 inches)28%extreme
July Weather30°C (87°F)50 mm (2.0 inches)38%extreme
August Weather30°C (86°F)42 mm (1.7 inches)60%extreme
September Weather28°C (82°F)31 mm (1.2 inches)72%extreme
October Weather22°C (72°F)10 mm (0.4 inches)66%very high
November Weather17°C (63°F)13 mm (0.5 inches)74%high
December Weather12°C (53°F)23 mm (0.9 inches)81%moderate

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