nomadseason

October Weather in Casco, United States

Last updated: June 24, 2025

In October, the average temperature in Casco, United States hovers around 11°C (52°F). Expect a range from a chilly -1°C (31°F) to a pleasant 25°C (77°F). During this month, 117 mm (4.6 in) of precipitation typically falls across 11 days, accompanied by an average humidity of 78%. Prepare accordingly for a mix of cool and rainy weather!

October Temperature in Casco

In October in Casco, the average temperature is 11°C (52°F), with maximums reaching up to 25°C (77°F) and minimums dropping as low as -1°C (31°F). This diverse temperature range makes Casco an ideal destination for travelers seeking both mild weather and a chance to experience cooler conditions.

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

The chart illustrates October temperature patterns in Casco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casco, October typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec232531435465717163523928
Data source: Temperature data for Casco 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 Casco

In Casco in October, the total precipitation amount reaches 117 mm (4.6 in) over the course of 11 days.

October Precipitation Trends in Casco

The chart displays monthly precipitation patterns in Casco, 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 Casco, October typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec79857211274731397962117102110
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Casco

In Casco in October humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.

October Average Humidity in Casco

This chart illustrates the average monthly humidity levels in Casco, 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 Casco 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 Casco

In Casco 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 Casco.

Maximum UV Index Levels in Casco for October

The chart shows the monthly maximum UV Index (UVI) for Casco 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 Casco typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Casco 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 Casco Compares to Other Months

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

This table compares monthly weather conditions in Casco, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)79 mm (3.1 inches)86%low
February Weather-4°C (25°F)85 mm (3.3 inches)84%moderate
March Weather0°C (32°F)72 mm (2.9 inches)82%moderate
April Weather6°C (43°F)112 mm (4.4 inches)80%very high
May Weather12°C (54°F)74 mm (2.9 inches)72%very high
June Weather19°C (66°F)73 mm (2.9 inches)72%very high
July Weather22°C (72°F)139 mm (5.5 inches)67%very high
August Weather21°C (71°F)79 mm (3.1 inches)66%very high
September Weather17°C (64°F)62 mm (2.4 inches)71%high
October Weather11°C (52°F)117 mm (4.6 inches)78%moderate
November Weather4°C (39°F)102 mm (4.0 inches)84%moderate
December Weather-2°C (28°F)110 mm (4.3 inches)81%low

Compare Casco's Climate with Cities Worldwide