Maine weather

Our guide to the weather in Maine during August

25

Average high

5

UV Index

106mm

Monthly rainfall

79%

Humidity

We've looked at the most up-to-date weather data for Maine, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Maine weather in August.

How warm is it in Maine during August?

The temperature reaches around 25℃ during the daytime in August, falling away to 12℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Maine during August?

On average, there will be 5 rainy days during the month, amounting to 106.2mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Maine during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.

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Maine Blog posts

From the US most popular travel bloggers

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10 things to do in Portland (that aren’t Voodoo donuts)

20th March 2022 by The Blonde Abroad

Portland has an undeniable cool factor. From the buzzing craft beer and foodie scene to the thriving arts community to the tranquil urban oases dotting this city, it has an irresistible charm. And fun fact: Did you know that the city got its name from a coin toss? The smallest twist of fate would have had us talking about Boston, Oregon right now. At the ​​Oregon Historical Society, you can see the famous “Portland Penny” that changed it all....

Weather in Maine

Our month-by-month guide to the weather and climate in Maine

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January
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February
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March
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April
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May
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June
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July
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August
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