Boothbay Harbor Weather in May

During May, Boothbay Harbor experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 7°C (45°F). As the driest month of the year, rainfall is at its lowest.

Rainfall in Boothbay Harbor in May

Expect fewer clouds and less rain as the month goes on. This makes it an ideal time for outdoor activities. Typically, you can expect about 13 days of rain this month, with 86 mm (3.4 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Boothbay Harbor in May

Daytime highs in Boothbay Harbor in May reach 16°C (61°F), with nights around 7°C (45°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Boothbay Harbor in May

There are approximately 244 hours of sunshine this month, resulting in mostly clear days.

Should you favor a climate that's both dry and comfortably warm, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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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 Boothbay Harbor's climate page.

Boothbay Harbor Temperature in May

Min Temperature 7°C (45°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 43%  

Precipitation 86 mm (3.4 in)  

Rainy days 13 days  

Humidity 71% *  

Sunshine 244 hours *  

Percentage Sunshine 53% *  

* Data from: Portland, the United States of America (54 KM, 33 Miles).

What to Wear in Boothbay Harbor in May

For Boothbay Harbor in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Boothbay Harbor in May

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

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

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 Boothbay Harbor's climate page.

More climate data for Boothbay Harbor

Temperature Rainfall Sunshine Humidity

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