Bar Harbor Weather: August
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Average Day Temperature: | 73.4°F |
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Average Night Temperature: | 62.1°F |
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Sea Water Temperature: | 62.5°F |
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Number of Sunny Days: | 11 days |
| Sunshine Hours: | 13.3 - 14.6 hours | |
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Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Bar Harbor |
Temperature
| Bar Harbor |
Air Temperature in August, °F
The highest day temperature in August 2025 was 79°F. The lowest night temperature was 52°F. The average values for day and night temperatures during August were 70.6°F и 58.0°F respectivly.
Bar Harbor Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Bar Harbor was 60.8°F. The maximum and minimum values were 57.6°F and 64.0°F respectively.
You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Bar Harbor is 0.9 in. It makes august one of the least rainy months of the year.
The average wind speed in August is 6.4 mph. It makes August the most windless month of the year for Bar Harbor.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bar Harbor in August is 7.4 hours.
| Chicago | ![]() |
0 |
| Hawaii | ![]() |
+78 |
| Honolulu | ![]() |
+78 |
| Houston | ![]() |
+46 |
| Las Vegas | ![]() |
+44 |
| Los Angeles | ![]() |
+56 |
| Maui | ![]() |
+72 |
| Miami | ![]() |
+72 |
| Miami Beach | ![]() |
+80 |
| New York | ![]() |
+20 |
| San Diego | ![]() |
+58 |
| San Francisco | ![]() |
+48 |
| Sarasota | ![]() |
+64 |
| Tampa | ![]() |
+64 |
| Washington | ![]() |
+28 |
| 0300 | ![]() |
0°F | SE 17 mph |
| 0600 | ![]() |
-2°F | SE 14 mph |
| 0900 | ![]() |
4°F | SE 12 mph |
| 1200 | ![]() |
14°F | E 11 mph |
| 1500 | ![]() |
20°F | E 10 mph |
| 1800 | ![]() |
24°F | E 6 mph |
| 2100 | ![]() |
22°F | E 7 mph |
| 0000 | ![]() |
20°F | E 5 mph |
































