nomadseason

October Weather in Penryn, United States

Last updated: June 24, 2025

In Penryn, United States, the average temperature for October hovers around 15°C (59°F). Expect temperatures to vary, with a minimum of 1°C (34°F) and a maximum of 34°C (93°F). This month also sees a precipitation level of 105 mm (4.1 in) over approximately 10 days, contributing to a rising average humidity of 79%. Please prepare accordingly!

October Temperature in Penryn

In October in Penryn, the average temperature is 15°C (59°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to a chilly 1°C (34°F). Make sure to pack both light summer clothes and warmer layers for your trip!

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

The chart illustrates October temperature patterns in Penryn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penryn, October typically has an average temperature of 15°C (59°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec343642536372787569594437
Data source: Temperature data for Penryn generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Penryn

In Penryn in October, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.

October Precipitation Trends in Penryn

The chart displays monthly precipitation patterns in Penryn, 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 Penryn, October typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec681061021021279613113310310592100
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Penryn

In Penryn in October humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

October Average Humidity in Penryn

This chart illustrates the average monthly humidity levels in Penryn, 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 Penryn is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Penryn

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

Maximum UV Index Levels in Penryn for October

The chart shows the monthly maximum UV Index (UVI) for Penryn 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 Penryn typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Penryn 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 Penryn Compares to Other Months

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

This table compares monthly weather conditions in Penryn, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)68 mm (2.7 inches)87%moderate
February Weather2°C (37°F)106 mm (4.2 inches)85%moderate
March Weather6°C (43°F)102 mm (4.0 inches)85%high
April Weather12°C (53°F)102 mm (4.0 inches)83%very high
May Weather17°C (63°F)127 mm (5.0 inches)75%very high
June Weather22°C (72°F)96 mm (3.8 inches)73%very high
July Weather25°C (78°F)131 mm (5.2 inches)65%very high
August Weather24°C (76°F)133 mm (5.2 inches)62%very high
September Weather21°C (70°F)103 mm (4.1 inches)66%very high
October Weather15°C (59°F)105 mm (4.1 inches)79%high
November Weather7°C (44°F)92 mm (3.6 inches)87%moderate
December Weather3°C (38°F)99 mm (3.9 inches)85%low

Compare Penryn's Climate with Cities Worldwide