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The best time to visit Bar Harbor
June, July, August and September — daytime highs around 22°C. Every number on this page is measured, not guessed.
Bar Harbor month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 1°C | -7°C | 11 | |
| February | 1°C | -6°C | 12 | |
| March | 4°C | -3°C | 12 | |
| April | 10°C | 2°C | 12 | |
| May | 15°C | 8°C | 11 | Shoulder |
| June | 20°C | 13°C | 10 | Best |
| July | 24°C | 17°C | 10 | Best |
| August | 23°C | 17°C | 9 | Best |
| September | 20°C | 14°C | 8 | Best |
| October | 14°C | 9°C | 10 | Shoulder |
| November | 8°C | 2°C | 10 | |
| December | 3°C | -3°C | 12 |
The short version
Warmest: July, around 24°C by day. Coolest: January, around 1°C by day and -7°C at night. Wettest: February with about 12 wet days. Driest: September with about 8.
If you want fewer people: May, October sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Bar Harbor?
The best months are June, July, August and September, when daytime highs sit around 22°C.
What is the hottest month in Bar Harbor?
July, with daytime highs around 24°C.
What is the wettest month in Bar Harbor?
February, with about 12 wet days. The driest is September with about 8.
When is the cheapest time to visit Bar Harbor?
Prices follow the weather. The months either side of the best ones — May, October — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Bar Harbor, Maine. Source: Open-Meteo. Hotel and activity links are partner links — the price you pay is the same.