Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
Entering August, Portland's average high-temperature reads a still refreshing 13.4°C (56.1°F), indicating a close resemblance to the previous month's climate. Throughout the nights in August, Portland notes an average low of 9.6°C (49.3°F), a small dip from the daytime peak.Humidity
In August, the average relative humidity in Portland is 76%.Rainfall
August is the month with the most rainfall in Portland. Rain falls for 21.2 days and accumulates 74mm (2.91") of precipitation.Sea temperature
In August, the average sea temperature in Portland is 14.5°C (58.1°F).Note: Dipping in 14.5°C (58.1°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
The average length of the day in August in Portland is 10h and 40min.On the first day of the month, sunrise is at 7:34 am and sunset at 5:45 pm. On the last day of August, in Portland, Australia, sunrise is at 6:56 am and sunset at 6:11 pm AEST.
Sunshine
In August, the average sunshine is 6h.UV index
The months with the lowest UV index in Portland are June through August, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during August translates into the following guidance:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Portland?
What is the average humidity in August in Portland?
What is the rainiest month in Portland?
How much does it rain in Portland in August?
What is the water temperature in August in Portland?
What is the average length of the day in August in Portland?
When are sunrise and sunset in August in Portland?
How long on average sun shines in August in Portland?
What is the month with the lowest UV index in Portland?
How high is the UV index in August in Portland?
Average temperature in August
Portland, Australia
- Average high temperature in August: 13.4°C
The warmest month (with the highest average high temperature) is February (20.8°C).
The month with the lowest average high temperature is July (13.1°C).
- Average low temperature in August: 9.6°C
The month with the highest average low temperature is February (15.8°C).
The coldest month (with the lowest average low temperature) is August (9.6°C).
Average pressure in August
Portland, Australia
- Average pressure in August: 1016.4mbar
The month with the highest atmospheric pressure is June (1020.7mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in August
Portland, Australia
- Average wind speed in August: 23.6km/h
The windiest month (with the highest average wind speed) is August (23.6km/h).
The calmest month (with the lowest average wind speed) is April (17.6km/h).
Average humidity in August
Portland, Australia
- Average humidity in August: 76%
The months with the highest relative humidity are June and July (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall in August
Portland, Australia
- Average rainfall in August: 74mm
The wettest month (with the highest rainfall) is August (74mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in August
Portland, Australia
- Average rainfall days in August: 21.2 days
The month with the highest number of rainy days is August (21.2 days).
The month with the least rainy days is February (8.8 days).
Average sea temperature in August
Portland, Australia
- Average sea temperature in August: 14.5°C
The best months for swimming (with the highest average sea temperature) are January and February (17.3°C).
The coldest month (with the lowest average sea temperature) is September (14.2°C).
Average daylight in August /
Average sunshine in August
Portland, Australia
- Average daylight in August: 10h and 4min
The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 30min).
- Average sunshine in August: 6h and 0min
The month with the most sunshine is January (Average sunshine: 8h and 48min).
The month with the least sunshine is May (Average sunshine: 5h and 54min).
Average sunshine days in August
Portland, Australia
- Average sunshine days in August: 6.9 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is August (6.9 days).
Average UV index in August
Portland, Australia
- Average UV index in August: 3
The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in August
Portland, Australia
- Average cloud cover in August: 54
The months with the most cloud cover are May and August (Cloud cover 54).
The month with the least cloud cover is January (Cloud cover 34).
Average visibility in August
Portland, Australia
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
