October Weather in Monticello, United States

Last updated: June 24, 2025

In October, the average temperature in Monticello, United States is a pleasant 20°C (68°F). However, temperatures can range from a brisk 2°C (35°F) to a sweltering 37°C (99°F). Visitors should be prepared for some rain, as the area receives an average precipitation of 107 mm (4.2 in) over 7 days. With an average humidity of 78%, it's a month that balances warmth and moisture, ideal for those seeking a mix of comfort and adventure.

October Temperature in Monticello

In October in Monticello, the average temperature is 20°C (68°F). Maximums can reach 37°C (99°F), while minimums can drop as low as 2°C (35°F). It's advisable for travelers to be prepared for both warm days and chilly nights.

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

The chart illustrates October temperature patterns in Monticello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monticello, October typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (99°F) and lows dropping to around 2°C (35°F).

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

October Precipitation in Monticello

In Monticello in October, the total precipitation amount is 107 mm (4.2 in), recorded over a period of 7 days.

October Precipitation Trends in Monticello

The chart displays monthly precipitation patterns in Monticello, 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 Monticello, October typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 7 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 Monticello

In Monticello in October humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

October Average Humidity in Monticello

This chart illustrates the average monthly humidity levels in Monticello, 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 Monticello is approximately 78%, 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 Monticello

In Monticello 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 Monticello.

Maximum UV Index Levels in Monticello for October

The chart shows the monthly maximum UV Index (UVI) for Monticello 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 Monticello typically reaches 8, which falls under the very high exposure category.

Data source: Monticello 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 Monticello Compares to Other Months

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

This table compares monthly weather conditions in Monticello, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	106 mm (4.2 inches)	86%	moderate
February Weather	12°C (54°F)	127 mm (5.0 inches)	84%	high
March Weather	15°C (59°F)	88 mm (3.5 inches)	83%	very high
April Weather	18°C (65°F)	103 mm (4.0 inches)	81%	very high
May Weather	23°C (73°F)	95 mm (3.7 inches)	81%	extreme
June Weather	26°C (78°F)	119 mm (4.7 inches)	81%	extreme
July Weather	27°C (81°F)	116 mm (4.6 inches)	83%	extreme
August Weather	27°C (80°F)	123 mm (4.9 inches)	81%	very high
September Weather	25°C (77°F)	103 mm (4.1 inches)	82%	very high
October Weather	20°C (68°F)	107 mm (4.2 inches)	78%	very high
November Weather	13°C (55°F)	79 mm (3.1 inches)	86%	high
December Weather	10°C (51°F)	133 mm (5.2 inches)	89%	moderate