Portland weather in August 2020

  • 25°C maximum daytime temperature in August in Portland25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in August in Portland10
    10 days with some rainfall
  • 14°C minimum night-time temperature in August in Portland14
    14°C min night temperature
  • 14 hours of daylight per day in August in Portland14
    14 hours of daylight per day
  • Low heat & humidity in August in PortlandL
    Low heat & humidity
  • 75 mm monthly rainfall in August in Portland75
    75 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Portland7
    7 (High) UV index
  • 17°C sea temperature in August in Portland17
    17°C sea temperature
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The August weather guide for Portland, Maine shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Portland in August?

Daytime temperatures usually reach 25°C in Portland in August with low heat and humidity, falling to 14°C at night.

How sunny is it in Portland in August?

There are normally 8 hours of bright sunshine each day in Portland in August - that's 60% of daylight hours.

How warm is the sea around Portland in August?

The average sea temperature around Portland in August is 17°C.

Does it rain in Portland in August?

There are usually 10 days with some rain in Portland in August and the average monthly rainfall is 75mm.

What is the chance of a hurricane in Portland in August?

On average less than 1 day in August in Portland is likely to be affected by the passage of one or more tropical storms.

Portland sunrise & sunset times for August 2020

Browse the sunrise & sunset times for Portland in August 2020. Select a month to view Portland sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Saturday, 1st August 2020 05:31 20:03
Sunday, 16th August 2020 05:47 19:42
Monday, 31st August 2020 06:04 19:17
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where's hot in Maine in August?

Below are average maximum temperatures at popular destinations in Maine in August. Select a destination to see more weather parameters.

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