August Weather in Prosser, United States

Last updated: June 24, 2025

In August, the average temperature in Prosser, United States hovers around 27°C (80°F), making it a pleasant destination. However, be prepared for a temperature range that can dip to a minimum of 10°C (50°F) and soar up to a sizzling 43°C (110°F). With only 4 mm (0.1 in) of precipitation spread over a single day, you can generally expect dry conditions. The average humidity during this time is around 62%, adding a comfortable feel to your stay.

August Temperature in Prosser

In August in Prosser, the average temperature is 27°C (80°F). Maximum temperatures can reach 43°C (110°F), while the minimum can drop to as low as 10°C (50°F). Be sure to pack accordingly and stay hydrated while exploring!

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

The chart illustrates August temperature patterns in Prosser, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prosser, August typically has an average temperature of 27°C (80°F), with highs reaching up to 43°C (110°F) and lows dropping to around 10°C (50°F).

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

August Precipitation in Prosser

In Prosser in August, the precipitation amount is 4 mm (0.1 in) over the course of 1 day.

August Precipitation Trends in Prosser

The chart displays monthly precipitation patterns in Prosser, 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 Prosser, August typically receives around 4 mm (0.1 inches) of precipitation spread over approximately 1 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 Prosser

In Prosser in August, humidity is 62%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making travel comfortable but slightly sticky, prompting frequent hydration breaks and a leisurely pace to fully enjoy the surroundings.

August Average Humidity in Prosser

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

In Prosser 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 Prosser.

Maximum UV Index Levels in Prosser for August

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

Data source: Prosser 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 Prosser Compares to Other Months

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

This table compares monthly weather conditions in Prosser, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	39 mm (1.5 inches)	85%	low
February Weather	2°C (36°F)	39 mm (1.5 inches)	86%	moderate
March Weather	8°C (46°F)	24 mm (0.9 inches)	86%	moderate
April Weather	13°C (55°F)	22 mm (0.9 inches)	82%	high
May Weather	19°C (66°F)	15 mm (0.6 inches)	77%	very high
June Weather	23°C (74°F)	6 mm (0.2 inches)	79%	very high
July Weather	27°C (81°F)	1 mm (0.0 inches)	77%	very high
August Weather	27°C (80°F)	4 mm (0.1 inches)	62%	very high
September Weather	20°C (69°F)	9 mm (0.3 inches)	60%	high
October Weather	12°C (53°F)	24 mm (1.0 inches)	80%	moderate
November Weather	5°C (42°F)	31 mm (1.2 inches)	87%	moderate
December Weather	2°C (35°F)	31 mm (1.2 inches)	86%	low