Weather in Bar Harbor in July

A good month. July works. It is not the peak, but nothing about it fights you. Highs average 22.1 °C, lows 14.6 °C, and rain falls on 13 days — nothing in the month is working against you.

July ranks 3 of 12 in Bar Harbor. Only August scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 13 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average July reaches 30 °C. Across the twenty years measured, the hottest July day reached 30 °C and the coldest night fell to 10 °C, and the wettest single day dropped 59 mm — roughly 73% of the month's rain in one day.

July is moderately variable: 35 mm in the driest year against 176 mm in the wettest, around an average of 81 mm. Roughly two Julys in three land near that average, and the third does something else entirely.

Wind is light at 4.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 85%, high enough to notice on the warm days without dominating them.

How July sits in the year

Temperatures hold steady either side: 18.5 °C in June, 22.1 here, 22.4 in August. Nothing about the timing within the month matters much.

Daylight in July

July is at or near the longest days of Bar Harbor's year: 15.2 hours of daylight, losing 0.7 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 13.7 °C in July — too cold to swim without a wetsuit. This is the warmest the water gets all year.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

July in Bar Harbor versus nearby

If Bar Harbor is one option among several, the nearby comparison is worth making. Sherbrooke is the weaker option in July — 2.4 °C warmer, 8 days more rain. Boston is close enough to be a coin toss — 5.9 °C warmer, 1 day less rain.

So: July is effectively as good as it gets here — 2 points behind August, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Bar Harbor

See all twelve months in Bar Harbor, or where else to go in July.