August Weather in Webster, United States

Last updated: June 24, 2025

In August, the average temperature in Webster, United States hovers around 21°C (69°F). You can expect temperatures to range from a cool 9°C (48°F) at the lowest to a warm 34°C (93°F) at the highest. Precipitation is quite noticeable, with an average of 103 mm (4.1 in) spread over about 10 days. Don't forget to prepare for the high humidity, averaging around 82%!

August Temperature in Webster

In August in Webster, the average temperature is 21°C (69°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 9°C (48°F). This diverse temperature range makes Webster an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates August temperature patterns in Webster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Webster, August typically has an average temperature of 21°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 9°C (48°F).

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

August Precipitation in Webster

In Webster in August, the precipitation amount is 103 mm (4.1 in) over a span of 10 days.

August Precipitation Trends in Webster

The chart displays monthly precipitation patterns in Webster, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Webster, August typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Webster

In Webster in August humidity is 82%. With an average temperature of 21°C (69°F), this humidity feels like a sweltering embrace, making outdoor activities feel more strenuous and prompting travelers to seek shade and cooling breezes.

August Average Humidity in Webster

This chart illustrates the average monthly humidity levels in Webster, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Webster is approximately 82%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Webster

In Webster in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Webster.

Maximum UV Index Levels in Webster for August

The chart shows the monthly maximum UV Index (UVI) for Webster in August, 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 August, the maximum UV index in Webster typically reaches 9, which falls under the very high exposure category.

Data source: Webster August 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 August Weather in Webster Compares to Other Months

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

This table compares monthly weather conditions in Webster, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	20 mm (0.8 inches)	81%	moderate
February Weather	-11°C (13°F)	16 mm (0.6 inches)	85%	moderate
March Weather	-1°C (30°F)	40 mm (1.6 inches)	76%	high
April Weather	4°C (40°F)	59 mm (2.3 inches)	79%	high
May Weather	13°C (56°F)	74 mm (2.9 inches)	76%	very high
June Weather	20°C (69°F)	79 mm (3.1 inches)	81%	very high
July Weather	23°C (73°F)	77 mm (3.0 inches)	82%	very high
August Weather	21°C (69°F)	103 mm (4.1 inches)	82%	very high
September Weather	17°C (62°F)	87 mm (3.4 inches)	77%	very high
October Weather	7°C (45°F)	81 mm (3.2 inches)	76%	moderate
November Weather	0°C (32°F)	22 mm (0.9 inches)	84%	moderate
December Weather	-5°C (23°F)	34 mm (1.3 inches)	81%	low