October Weather in Alto, United States

Last updated: June 24, 2025

In Alto, United States, the average temperature in October hovers around 21°C (70°F). However, temperatures can range from a chilly 0°C (31°F) to a warm 35°C (95°F). Expect about 121 mm (4.8 in) of precipitation spread over 10 days, contributing to an average humidity level of 73%. Plan accordingly for a mix of weather!

October Temperature in Alto

In October in Alto, the average temperature is 21°C (70°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 0°C (31°F). Visitors should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cooler conditions.

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 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (31°F).

Data source: Temperature data for Alto generated using information from the Copernicus Climate Change Service.

October Precipitation in Alto

In Alto in October, the precipitation amount is 121 mm (4.8 in) spread over a period of 10 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 121 mm (4.8 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Alto

In Alto in October, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

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 73%, offering insight into how humid the weather typically is during this month.

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 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 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	101 mm (4.0 inches)	79%	moderate
February Weather	11°C (53°F)	135 mm (5.3 inches)	80%	high
March Weather	16°C (62°F)	115 mm (4.5 inches)	78%	very high
April Weather	19°C (66°F)	142 mm (5.6 inches)	79%	extreme
May Weather	24°C (75°F)	145 mm (5.7 inches)	81%	extreme
June Weather	27°C (81°F)	111 mm (4.4 inches)	77%	extreme
July Weather	29°C (84°F)	80 mm (3.2 inches)	71%	extreme
August Weather	29°C (85°F)	102 mm (4.0 inches)	67%	extreme
September Weather	26°C (80°F)	97 mm (3.8 inches)	69%	very high
October Weather	21°C (70°F)	121 mm (4.8 inches)	73%	very high
November Weather	14°C (58°F)	76 mm (3.0 inches)	82%	high
December Weather	12°C (54°F)	116 mm (4.6 inches)	87%	moderate