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October Weather in Portales, United States

Last updated: June 24, 2025

In October, the average temperature in Portales, United States is a pleasant 15°C (59°F). While the mercury can dip as low as -7°C (20°F) or soar to a balmy 34°C (93°F), visitors should also prepare for a moderate 54 mm (2.1 in) of precipitation spread over 6 days. With an average humidity of 76%, it's a time of year that offers a blend of comfort and occasional moisture.

October Temperature in Portales

In October in Portales, the average temperature is 15°C (59°F). The maximum can reach 34°C (93°F) and the minimum can be as low as -7°C (20°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates October temperature patterns in Portales, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portales, 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 -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec404353596978807872594942
Data source: Temperature data for Portales 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 Portales

In Portales in October, the total precipitation amount is 54 mm (2.1 in) over the course of 6 days.

October Precipitation Trends in Portales

The chart displays monthly precipitation patterns in Portales, 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 Portales, October typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec19122819334528473654117
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Portales

In Portales in October humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

October Average Humidity in Portales

This chart illustrates the average monthly humidity levels in Portales, 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 Portales is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Portales

In Portales in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Portales.

Maximum UV Index Levels in Portales for October

The chart shows the monthly maximum UV Index (UVI) for Portales 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 Portales typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121210864
Data source: Portales 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 Portales Compares to Other Months

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

This table compares monthly weather conditions in Portales, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)19 mm (0.7 inches)74%moderate
February Weather6°C (43°F)12 mm (0.5 inches)75%high
March Weather11°C (53°F)28 mm (1.1 inches)61%very high
April Weather15°C (60°F)19 mm (0.7 inches)61%extreme
May Weather21°C (70°F)33 mm (1.3 inches)69%extreme
June Weather25°C (78°F)45 mm (1.8 inches)74%extreme
July Weather27°C (80°F)28 mm (1.1 inches)75%extreme
August Weather26°C (78°F)47 mm (1.9 inches)78%extreme
September Weather22°C (72°F)36 mm (1.4 inches)76%very high
October Weather15°C (59°F)54 mm (2.1 inches)76%very high
November Weather10°C (50°F)11 mm (0.4 inches)80%high
December Weather6°C (43°F)7 mm (0.3 inches)77%moderate

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