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Southwest Harbor weather in August (Maine, United States of America)

How is the weather in Southwest Harbor in August? Here's what the weather might have in store during this month.

In Southwest Harbor the weather in August is generally perfect, with high temperatures and moderate rainfall. August is a summer month. Throughout the day, temperatures typically settle at around 23°C. But by evening, they drop to around 14°C.

Southwest Harbor in August usually receives moderate rainfall, averaging around 85 mm for the month. It's the month receiving the least amount of rain. As the days go by, you can expect fewer clouds and less precipitation. This makes it an ideal time for outdoor activities and events that might be disrupted by wetter conditions in other months. Typically around 11 days of rainfall is expected.

If you favor pleasant temperatures and minimal rainfall, August is one of the better months to visit Southwest Harbor. July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, April, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Southwest Harbor climate page with graphs.

 

Southwest Harbor, monthly averages in August

Min TemperatureMin Temperature 14°C  
Max TemperatureMax Temperature 23°C  
Chance of RainChance of Rain 36%  
PrecipitationPrecipitation 85 mm  
Rainy daysRainy days 11 days  

Where to go in the United States of America in August

Find out more about the weather in the United States of America in August and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Southwest Harbor in August?

For visitors traveling to Southwest Harbor, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling
9/10
Walking
9/10
Camping
8/10
Outdoor sports
9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Southwest Harbor.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.