Hillsboro Weather in August

August in Hillsboro averages 28°C (82°F) during the day and 12°C (54°F) at night. With only 11 mm (0.4 in) of rainfall expected on average, it's a largely dry month.

Rainfall in Hillsboro in August

You can typically expect 4 days of rain this month, averaging around 11 mm (0.4 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Hillsboro in August

Hillsboro in August is worth a visit. The temperature is perfect, with 28°C (82°F) during the day and 12°C (54°F) at night. August marks the summer season. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.

Sunshine in Hillsboro in August

Enjoy a sunny month with about 298 hours of sunshine, the clear skies make Hillsboro even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Hillsboro.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Hillsboro's climate page.

Hillsboro Temperature in August

Min Temperature 12°C (54°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 14%  

Precipitation 11 mm (0.4 in)  

Rainy days 4 days  

Humidity 65% *  

Sunshine 298 hours *  

Percentage Sunshine *  

* Data from: Portland, the United States of America (31 KM, 19 Miles).

What to Wear in Hillsboro in August

Warm but pleasant conditions in Hillsboro in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Hillsboro in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Hillsboro's climate page.

More climate data for Hillsboro

Temperature Rainfall Sunshine Humidity

See the full Hillsboro climate overview or explore weather in the United States of America.