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October Weather in West Portsmouth, United States

Last updated: June 24, 2025

In October, the average temperature in West Portsmouth, United States is a pleasant 15°C (60°F), with minimums dipping to 1°C (33°F) and maximums soaring up to 35°C (95°F). Expect 116 mm (4.5 in) of precipitation spread over 12 days, contributing to an average humidity level of 78%. Prepare for a mix of weather as you explore!

October Temperature in West Portsmouth

In October in West Portsmouth, the average temperature is 15°C (60°F). Maximum temperatures can reach 35°C (95°F), while minimum temperatures can drop as low as 1°C (33°F). Pack accordingly to enjoy both warm days and cool evenings while traveling in West Portsmouth this month.

October Weather in West Portsmouth: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in West Portsmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Portsmouth, October typically has an average temperature of 15°C (60°F), with highs reaching up to 35°C (95°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec353946556673787570604540
Data source: Temperature data for West Portsmouth 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 West Portsmouth

In West Portsmouth in October, the precipitation amount is 116 mm (4.5 in) over the course of 12 days.

October Precipitation Trends in West Portsmouth

The chart displays monthly precipitation patterns in West Portsmouth, 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 West Portsmouth, October typically receives around 116 mm (4.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8512410612812815710712011011677112
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in West Portsmouth

In West Portsmouth in October, humidity is 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.

October Average Humidity in West Portsmouth

This chart illustrates the average monthly humidity levels in West Portsmouth, 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 West Portsmouth is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in West Portsmouth

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

Maximum UV Index Levels in West Portsmouth for October

The chart shows the monthly maximum UV Index (UVI) for West Portsmouth 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 West Portsmouth typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098653
Data source: West Portsmouth 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 West Portsmouth Compares to Other Months

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

This table compares monthly weather conditions in West Portsmouth, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)85 mm (3.3 inches)88%moderate
February Weather4°C (39°F)124 mm (4.9 inches)88%moderate
March Weather8°C (47°F)106 mm (4.2 inches)87%high
April Weather13°C (55°F)128 mm (5.0 inches)85%very high
May Weather19°C (66°F)128 mm (5.0 inches)81%very high
June Weather23°C (73°F)157 mm (6.2 inches)82%very high
July Weather25°C (78°F)107 mm (4.2 inches)81%very high
August Weather24°C (75°F)120 mm (4.7 inches)73%very high
September Weather21°C (71°F)109 mm (4.3 inches)73%very high
October Weather15°C (60°F)116 mm (4.5 inches)78%high
November Weather7°C (45°F)77 mm (3.0 inches)89%moderate
December Weather4°C (40°F)112 mm (4.4 inches)87%moderate

Compare West Portsmouth's Climate with Cities Worldwide