October Weather in Roscommon, United States

Last updated: June 24, 2025

In Roscommon, United States, the average temperature in October hovers around 9°C (49°F). Expect a wide range, with minimums dropping to -4°C (25°F) and maximums soaring up to 27°C (82°F). Be prepared for some rain, as the area sees about 118 mm (4.6 in) of precipitation over 16 days, contributing to a rather high average humidity of 85%.

October Temperature in Roscommon

In October in Roscommon, the average temperature is 9°C (49°F). Maximum temperatures can reach 27°C (82°F), while the minimum can drop as low as -4°C (25°F). It's a great time for travelers to enjoy the mild climate and prepare for both warm days and chilly nights.

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

The chart illustrates October temperature patterns in Roscommon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roscommon, October typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (82°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec212130415565716861483427
Data source: Temperature data for Roscommon 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 Roscommon

In Roscommon in October, the precipitation amount is 118 mm (4.6 in) over the course of 16 days.

October Precipitation Trends in Roscommon

The chart displays monthly precipitation patterns in Roscommon, 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 Roscommon, October typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec515254931071188790731186163
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Roscommon

In Roscommon in October humidity is 85%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making every step outside a challenge as the moisture in the air weighs heavily and lingers, transforming even simple outings into a quest for comfort.

October Average Humidity in Roscommon

This chart illustrates the average monthly humidity levels in Roscommon, 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 Roscommon is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%87%86%79%75%75%75%79%85%88%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Roscommon

In Roscommon 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 Roscommon.

Maximum UV Index Levels in Roscommon for October

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

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

This table compares monthly weather conditions in Roscommon, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)50 mm (2.0 inches)92%low
February Weather-6°C (21°F)52 mm (2.1 inches)91%moderate
March Weather-1°C (31°F)54 mm (2.1 inches)87%moderate
April Weather5°C (42°F)93 mm (3.7 inches)85%very high
May Weather13°C (56°F)107 mm (4.2 inches)79%very high
June Weather19°C (66°F)118 mm (4.6 inches)75%very high
July Weather21°C (71°F)87 mm (3.4 inches)75%very high
August Weather20°C (68°F)90 mm (3.6 inches)75%very high
September Weather16°C (61°F)73 mm (2.9 inches)79%high
October Weather9°C (49°F)118 mm (4.6 inches)85%moderate
November Weather1°C (35°F)61 mm (2.4 inches)88%moderate
December Weather-3°C (27°F)63 mm (2.5 inches)89%low

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