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October Weather in Bristol, United States

Last updated: June 24, 2025

In October, the average temperature in Bristol, United States hovers around 11°C (51°F). Expect a range where the minimum dips to -3°C (27°F) and the maximum peaks at 27°C (80°F). Rainfall is common, with an average precipitation of 131 mm (5.1 in) spread over 12 days, and the air carries a humidity level of approximately 78%.

October Temperature in Bristol

In October in Bristol, the average temperature is 11°C (51°F), with a maximum that can reach 27°C (80°F) and a minimum that can drop as low as -3°C (27°F). Be prepared for a range of weather conditions when traveling during this time.

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

The chart illustrates October temperature patterns in Bristol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bristol, October typically has an average temperature of 11°C (51°F), with highs reaching up to 27°C (80°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec222532445666717063513727
Data source: Temperature data for Bristol 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 Bristol

In Bristol in October, the precipitation amount is 131 mm (5.1 in) spread over 12 days.

October Precipitation Trends in Bristol

The chart displays monthly precipitation patterns in Bristol, 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 Bristol, October typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec72837512882951359668131113116
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Bristol

In Bristol in October, humidity is 78%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that lingers in the air, making outdoor activities less inviting and leading to a persistent sense of coolness that can be invigorating yet uncomfortable for travelers.

October Average Humidity in Bristol

This chart illustrates the average monthly humidity levels in Bristol, 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 Bristol is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Bristol

In Bristol in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Bristol.

Maximum UV Index Levels in Bristol for October

The chart shows the monthly maximum UV Index (UVI) for Bristol 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 Bristol typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: Bristol 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 Bristol Compares to Other Months

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

This table compares monthly weather conditions in Bristol, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (22°F)72 mm (2.8 inches)86%moderate
February Weather-4°C (25°F)83 mm (3.3 inches)84%moderate
March Weather0°C (32°F)75 mm (2.9 inches)82%moderate
April Weather7°C (44°F)128 mm (5.1 inches)80%very high
May Weather13°C (56°F)82 mm (3.2 inches)72%very high
June Weather19°C (66°F)95 mm (3.7 inches)72%very high
July Weather22°C (72°F)135 mm (5.3 inches)67%very high
August Weather21°C (70°F)96 mm (3.8 inches)66%very high
September Weather17°C (63°F)68 mm (2.7 inches)71%high
October Weather11°C (51°F)131 mm (5.1 inches)78%moderate
November Weather3°C (37°F)113 mm (4.4 inches)84%moderate
December Weather-3°C (27°F)116 mm (4.6 inches)81%low

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