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October Weather in Alto, United States

Last updated: June 24, 2025

In October, Alto, United States experiences an average temperature of 10°C (51°F). Temperatures may dip as low as -4°C (26°F) or soar as high as 29°C (84°F). Expect precipitation of about 105 mm (4.1 in) over 13 days, accompanied by a relatively high average humidity of 83%.

October Temperature in Alto

In October in Alto, the average temperature is 10°C (51°F). Maximums can reach 29°C (84°F), and minimums can drop as low as -4°C (26°F). This variation in temperature makes Alto a destination where travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates October temperature patterns in Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alto, October typically has an average temperature of 10°C (51°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec202134445869737064513628
Data source: Temperature data for Alto 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 Alto

In Alto in October, the precipitation amount is 105 mm (4.1 in) over the course of 13 days.

October Precipitation Trends in Alto

The chart displays monthly precipitation patterns in Alto, 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 Alto, October typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4648599911610510498851054647
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Alto

In Alto in October, humidity is 83%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that permeates your clothes, making it essential to dress in layers for travel, as the cool air combined with the high humidity can create an uncomfortable and bone-chilling atmosphere.

October Average Humidity in Alto

This chart illustrates the average monthly humidity levels in Alto, 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 Alto is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Alto

In Alto 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 Alto.

Maximum UV Index Levels in Alto for October

The chart shows the monthly maximum UV Index (UVI) for Alto 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 Alto typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Alto 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 Alto Compares to Other Months

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

This table compares monthly weather conditions in Alto, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)46 mm (1.8 inches)85%moderate
February Weather-6°C (21°F)48 mm (1.9 inches)85%moderate
March Weather1°C (34°F)59 mm (2.3 inches)85%moderate
April Weather7°C (44°F)99 mm (3.9 inches)85%very high
May Weather14°C (58°F)116 mm (4.6 inches)78%very high
June Weather21°C (69°F)105 mm (4.1 inches)80%very high
July Weather23°C (74°F)104 mm (4.1 inches)78%very high
August Weather21°C (71°F)98 mm (3.9 inches)76%very high
September Weather18°C (64°F)85 mm (3.3 inches)79%high
October Weather10°C (51°F)105 mm (4.1 inches)83%moderate
November Weather2°C (36°F)46 mm (1.8 inches)88%moderate
December Weather-2°C (28°F)47 mm (1.9 inches)81%low

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