October Weather in Monticello, United States

Last updated: June 24, 2025

In Monticello, United States, the average temperature in October hovers around 9°C (48°F). While you might experience a brisk chill with minimums plunging to -10°C (13°F), it's also possible to enjoy a warm day with maximums reaching 29°C (84°F). Be prepared for some moisture, as 102 mm (4.0 in) of precipitation typically falls over 10 days. With an average humidity of 84%, don’t forget to stay hydrated!

October Temperature in Monticello

In October in Monticello, the average temperature is 9°C (48°F). Maximums can reach 29°C (84°F), while minimums can dip as low as -10°C (13°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack layers to accommodate both warm and chilly conditions.

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 9°C (48°F), with highs reaching up to 29°C (84°F) and lows dropping to around -10°C (13°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 102 mm (4.0 in) falling over the course of 10 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 102 mm (4.0 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Monticello

In Monticello in October, humidity is 84%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that envelops you, making it essential to dress in layers and stay active, as the moisture in the air can quickly lead to discomfort while traveling.

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 84%, 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 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 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 5, which falls under the moderate 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 (16°F)	21 mm (0.8 inches)	87%	low
February Weather	-9°C (16°F)	28 mm (1.1 inches)	90%	moderate
March Weather	0°C (32°F)	53 mm (2.1 inches)	85%	moderate
April Weather	6°C (43°F)	88 mm (3.5 inches)	84%	high
May Weather	15°C (59°F)	106 mm (4.2 inches)	78%	very high
June Weather	22°C (72°F)	77 mm (3.0 inches)	80%	very high
July Weather	23°C (74°F)	93 mm (3.6 inches)	81%	very high
August Weather	21°C (71°F)	150 mm (5.9 inches)	81%	very high
September Weather	17°C (64°F)	112 mm (4.4 inches)	81%	high
October Weather	9°C (48°F)	102 mm (4.0 inches)	84%	moderate
November Weather	0°C (33°F)	33 mm (1.3 inches)	88%	moderate
December Weather	-5°C (23°F)	45 mm (1.8 inches)	84%	low