October Weather in August, United States

Last updated: June 24, 2025

In October, the average temperature in August, United States hovers around 18°C (65°F), with a minimum dipping to 5°C (41°F) and a maximum soaring to 36°C (97°F). Expect about 30 mm (1.2 in) of precipitation over 1 day, while the average humidity sits at a comfortable 62%.

October Temperature in August

In October in August, the average temperature is 18°C (65°F). Maximums can reach 36°C (97°F), and minimums can drop as low as 5°C (41°F). It's advisable to pack for both warm and cooler conditions while exploring this destination.

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

The chart illustrates October temperature patterns in August, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In August, October typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around 5°C (41°F).

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

October Precipitation in August

In August in October, the precipitation amount is 30 mm (1.2 in) over the course of 1 day.

October Precipitation Trends in August

The chart displays monthly precipitation patterns in August, 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 August, October typically receives around 30 mm (1.2 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 August

In August in October, humidity is 62%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet mildly sticky, perfect for leisurely strolls but a bit challenging for vigorous excursions.

October Average Humidity in August

This chart illustrates the average monthly humidity levels in August, 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 August is approximately 62%, 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 August

In August 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 August, you can refer to this Hourly UV Index in August.

Maximum UV Index Levels in August for October

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

Data source: August 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 August Compares to Other Months

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

This table compares monthly weather conditions in August, 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)	110 mm (4.3 inches)	82%	moderate
February Weather	11°C (52°F)	95 mm (3.7 inches)	84%	moderate
March Weather	13°C (56°F)	89 mm (3.5 inches)	82%	very high
April Weather	17°C (62°F)	44 mm (1.7 inches)	78%	very high
May Weather	20°C (68°F)	20 mm (0.8 inches)	71%	very high
June Weather	24°C (75°F)	2 mm (0.1 inches)	64%	extreme
July Weather	24°C (76°F)	0 mm (0.0 inches)	58%	extreme
August Weather	24°C (76°F)	0 mm (0.0 inches)	54%	very high
September Weather	22°C (72°F)	2 mm (0.1 inches)	55%	very high
October Weather	18°C (65°F)	30 mm (1.2 inches)	62%	high
November Weather	13°C (55°F)	47 mm (1.8 inches)	78%	moderate
December Weather	9°C (49°F)	95 mm (3.7 inches)	80%	moderate