Weathermondo.com
United StatesThe weather in August in Hillsboro
It's warm in August in Hillsboro with an average temperature of 29°C. Temperatures this month range from a low of 24°C to a high of 32°C. At night, you can expect temperatures between 11°C and 15°C.
Looking for great weather? August is a good time to be in Hillsboro. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Hillsboro, Oregon. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 42°C in 2023, Hillsboro reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 17°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 20°C.
Rainfall amount
According to weather history, there is only 6,4 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the Northwest.
Daily weather in August for Hillsboro
Click on any day in August to get detailed info about the usual weather on that day in Hillsboro. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Hillsboro | New York | |
|---|---|---|
| Average temperature | 29°C | 30°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 6,4 mm | 79 mm |
| Rainy days | 2 days | 13 days |
Start of August
The month of August starts in Hillsboro with hot temps, averaging around 30°C during the day and nights around 14°C.
Mid August
By mid-August, daytime temps rise to around 31°C, with nights around 15°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of August
By the end of August, the average daytime temperature in Hillsboro is around 28°C, while nighttime temps are about 13°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Hillsboro for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Hillsboro, Oregon. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Hillsboro
Temperature in August in Hillsboro over the years
Precipitation charts
These charts show the average amount of precipitation in August in Hillsboro, Oregon. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Hillsboro
Total precipitation in August in Hillsboro over the years
Daily UV index in August in Hillsboro
This chart shows the average daily UV index in August in Hillsboro, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Hillsboro
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Average weather in Hillsboro by month
Click on a month below to see detailed weather info for Hillsboro. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.