October Weather in Vista, United States

Last updated: June 24, 2025

In Vista, United States, the average temperature for October hovers around 20°C (69°F), but can swing between a brisk 8°C (47°F) and a scorching 39°C (103°F). Expect light showers, with 12 mm (0.5 in) of precipitation spread over 2 days. Humidity levels maintain a comfortable 58%, making this month a pleasant time to explore the area.

October Temperature in Vista

In October in Vista, the average temperature is 20°C (69°F), with maximums reaching 39°C (103°F) and minimums dropping to as low as 8°C (47°F). Be prepared for warm days and cooler nights, making it a perfect time for exploring the outdoors while enjoying a comfortable climate.

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

The chart illustrates October temperature patterns in Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vista, October typically has an average temperature of 20°C (69°F), with highs reaching up to 39°C (103°F) and lows dropping to around 8°C (47°F).

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

October Precipitation in Vista

In Vista in October, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

October Precipitation Trends in Vista

The chart displays monthly precipitation patterns in Vista, 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 Vista, October typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 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 Vista

In Vista in October humidity is 58%. With an average temperature of 20°C (69°F), this humidity feels like a refreshing balmy embrace, making it quite pleasant for traveling as long as you stay hydrated and take occasional breaks in the shade.

October Average Humidity in Vista

This chart illustrates the average monthly humidity levels in Vista, 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 Vista is approximately 58%, 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 Vista

In Vista in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Vista.

Maximum UV Index Levels in Vista for October

The chart shows the monthly maximum UV Index (UVI) for Vista 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 Vista typically reaches 7, which falls under the high exposure category.

Data source: Vista 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 Vista Compares to Other Months

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

This table compares monthly weather conditions in Vista, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	70 mm (2.8 inches)	72%	moderate
February Weather	13°C (56°F)	78 mm (3.1 inches)	77%	high
March Weather	14°C (58°F)	68 mm (2.7 inches)	67%	very high
April Weather	16°C (62°F)	32 mm (1.3 inches)	56%	very high
May Weather	17°C (63°F)	24 mm (0.9 inches)	46%	extreme
June Weather	20°C (68°F)	3 mm (0.1 inches)	48%	extreme
July Weather	23°C (73°F)	4 mm (0.2 inches)	46%	extreme
August Weather	24°C (75°F)	1 mm (0.1 inches)	42%	very high
September Weather	23°C (73°F)	5 mm (0.2 inches)	52%	very high
October Weather	20°C (69°F)	12 mm (0.5 inches)	58%	high
November Weather	17°C (63°F)	34 mm (1.4 inches)	66%	moderate
December Weather	14°C (57°F)	70 mm (2.7 inches)	74%	moderate