Maine (Bar Harbor)
August
Weather in Maine for August 2026
Your guide to Maine weather in August - trends and predictions
In general, the average temperature in Maine at the beginning of August is 24.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.3 °F by the end of August.
The climate of Maine in August is notably wet, with an average of 13 rainy days, and a total of 199.3 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
23°/14°
Temperatures
15 km/h
Avg max wind
81 %
Avg humidity
Maine Weather August
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What’s the Weather Like in Maine This August?
Discover the average temperatures and weather trends across Maine’s cities this August.
Temperatures trend during August in Maine
See the weather trend as well as the moving average line
August weather in Maine day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy rain possible | 23° /16° | 9.3 mm | 5 | |
| Aug. 2 |  Cloudy | 27° /16° | 0 mm | 7 | |
| Aug. 3 |  Moderate or heavy rain shower | 22° /15° | 8.8 mm | 6 | |
| Aug. 4 | Moderate or heavy rain shower | 28° /16° | 2 mm | 6 | |
| Aug. 5 | Moderate or heavy rain shower | 26° /15° | 5.9 mm | 6 | |
| Aug. 6 | Cloudy | 23° /15° | 1.1 mm | 5 | |
| Aug. 7 |  Partly cloudy | 23° /14° | 0 mm | 6 | |
| Aug. 8 |  Sunny | 24° /12° | 0 mm | 6 | |
| Aug. 9 | Moderate or heavy rain shower | 21° /13° | 29.2 mm | 5 | |
| Aug. 10 | Moderate or heavy rain shower | 22° /16° | 15.7 mm | 5 | |
| Aug. 11 | Partly cloudy | 26° /15° | 0 mm | 6 | |
| Aug. 12 | Patchy rain possible | 26° /15° | 0.3 mm | 6 | |
| Aug. 13 | Cloudy | 24° /14° | 0 mm | 6 | |
| Aug. 14 | Moderate or heavy rain shower | 25° /16° | 6.2 mm | 6 | |
| Aug. 15 | Moderate rain at times | 24° /14° | 7.4 mm | 6 | |
| Aug. 16 | Patchy rain possible | 23° /13° | 0.4 mm | 6 | |
| Aug. 17 | Sunny | 21° /12° | 6.9 mm | 6 | |
| Aug. 18 | Patchy rain possible | 21° /12° | 0.2 mm | 6 | |
| Aug. 19 | Patchy rain possible | 21° /12° | 1.9 mm | 5 | |
| Aug. 20 | Moderate rain at times | 19° /14° | 3.7 mm | 4 | |
| Aug. 21 | Patchy rain possible | 20° /11° | 0.2 mm | 5 | |
| Aug. 22 | Patchy rain possible | 23° /10° | 0.1 mm | 6 | |
| Aug. 23 | Patchy rain possible | 22° /12° | 0.1 mm | 6 | |
| Aug. 24 | Partly cloudy | 22° /14° | 0 mm | 5 | |
| Aug. 25 | Patchy rain possible | 21° /15° | 0.4 mm | 5 | |
| Aug. 26 | Moderate or heavy rain shower | 23° /14° | 6.4 mm | 5 | |
| Aug. 27 | Sunny | 22° /13° | 0 mm | 6 | |
| Aug. 28 | Moderate or heavy rain shower | 21° /13° | 2 mm | 5 | |
| Aug. 29 | Sunny | 20° /12° | 0.6 mm | 5 | |
| Aug. 30 | Sunny | 20° /11° | 3.2 mm | 6 | |
| Aug. 31 | Patchy rain possible | 22° /13° | 0.1 mm | 6 | |
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Important Notice
Our weather forecast for Maine in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Maine forecast closer to your planned date for the most up-to-date weather information.
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Maine in August - FAQ
What are the expected maximum and minimum temperatures in Maine during August?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Maine during August?
Significant rainfall exceeding 199.3 mm is expected in Maine during August, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Maine during August?
The average wind speed in Maine during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Maine
Explore the daily rainfall trends and prepare for Maines August weather 💧
UV exposure in Maine during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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