October Weather in Hartley, United States

Last updated: June 24, 2025

In October, the average temperature in Hartley, United States hovers around 19°C (66°F), making it a pleasant time to visit. However, be prepared for a range of temperatures, as the minimum can drop to 3°C (37°F), while the maximum soars up to 40°C (104°F). Visitors can expect about 27 mm (1.1 in) of precipitation over the course of just 1 day, with an average humidity level of 65%. Whether basking in the sun or enjoying the cooler evenings, Hartley offers a diverse climate experience!

October Temperature in Hartley

In October in Hartley, the average temperature is 19°C (66°F). Maximums can reach 40°C (104°F), while minimums can drop as low as 3°C (37°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates October temperature patterns in Hartley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartley, October typically has an average temperature of 19°C (66°F), with highs reaching up to 40°C (104°F) and lows dropping to around 3°C (37°F).

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

October Precipitation in Hartley

In Hartley in October, the precipitation amount is 27 mm (1.1 in) over the course of 1 day.

October Precipitation Trends in Hartley

The chart displays monthly precipitation patterns in Hartley, 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 Hartley, October typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 1 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 Hartley

In Hartley in October humidity is 65%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making outdoor activities refreshing but slightly sticky, so it's advisable to stay hydrated and take breaks in shaded areas while exploring.

October Average Humidity in Hartley

This chart illustrates the average monthly humidity levels in Hartley, 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 Hartley is approximately 65%, 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 Hartley

In Hartley in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hartley, you can refer to this Hourly UV Index in Hartley.

Maximum UV Index Levels in Hartley for October

The chart shows the monthly maximum UV Index (UVI) for Hartley 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 Hartley typically reaches 6, which falls under the high exposure category.

Data source: Hartley 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 Hartley Compares to Other Months

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

This table compares monthly weather conditions in Hartley, 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)	124 mm (4.9 inches)	84%	moderate
February Weather	12°C (54°F)	106 mm (4.2 inches)	84%	moderate
March Weather	13°C (56°F)	79 mm (3.1 inches)	83%	high
April Weather	17°C (62°F)	30 mm (1.2 inches)	81%	very high
May Weather	20°C (68°F)	18 mm (0.7 inches)	74%	very high
June Weather	24°C (75°F)	2 mm (0.1 inches)	64%	extreme
July Weather	25°C (77°F)	0 mm (0.0 inches)	44%	extreme
August Weather	24°C (76°F)	0 mm (0.0 inches)	36%	very high
September Weather	23°C (74°F)	1 mm (0.0 inches)	44%	very high
October Weather	19°C (66°F)	27 mm (1.1 inches)	65%	high
November Weather	13°C (56°F)	38 mm (1.5 inches)	84%	moderate
December Weather	10°C (50°F)	85 mm (3.3 inches)	83%	moderate