Bar Harbor weather in August
In August, Bar Harbor sees average daytime highs of 72°F and overnight lows near 60°F, with 2.8 in of rain across 8.3 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.
Highs ease over the month, from about 73°F in the first days to 70°F by the end. The sky is clear or mostly clear about 33% of the time in August, and the air most often feels comfortable.
Daylight stretches from about 14 h 30 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Bar Harbor's 2nd-clearest and 12th-windiest month. For the whole year in context, see Bar Harbor's year-round climate.
- Daytime high
- 72°
- 2nd warmest
- Overnight low
- 60°
- 12th coldest
- Rainfall
- 2.8 in
- 8.3 wet days
- Daylight
- 13 h 54 min
- 4:41 AM – 6:33 PM
- Cloud cover
- 57%
- 2nd clearest
- Wind
- 7 mph
- 12th windiest
- Solar energy
- 5.28 kWh/m²
- Travel score
- 7.0
- out of 10
Bar Harbor is town in Hancock County, Maine, United States.
- Air quality
- Excellent
- PM10 5.1 µg/m³ · 2019
- Founded
- 1763
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Highs ease over the month, from about 73°F in the first days to 70°F by the end.
A typical August day in Bar Harbor reaches about 72°F in the afternoon and slips back to 60°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 67°F and 78°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 |
| Avg low (°F) | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 59 | 59 | 59 | 59 | 59 | 58 | 58 | 58 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 73 | 62 |
| 2 | 73 | 61 |
| 3 | 73 | 61 |
| 4 | 73 | 61 |
| 5 | 73 | 61 |
| 6 | 73 | 61 |
| 7 | 73 | 61 |
| 8 | 73 | 61 |
| 9 | 73 | 61 |
| 10 | 73 | 61 |
| 11 | 73 | 61 |
| 12 | 73 | 61 |
| 13 | 73 | 61 |
| 14 | 73 | 61 |
| 15 | 73 | 61 |
| 16 | 72 | 60 |
| 17 | 72 | 60 |
| 18 | 72 | 60 |
| 19 | 72 | 60 |
| 20 | 72 | 60 |
| 21 | 72 | 60 |
| 22 | 72 | 60 |
| 23 | 71 | 60 |
| 24 | 71 | 59 |
| 25 | 71 | 59 |
| 26 | 71 | 59 |
| 27 | 71 | 59 |
| 28 | 71 | 59 |
| 29 | 71 | 58 |
| 30 | 70 | 58 |
| 31 | 70 | 58 |
How August really feels in Bar Harbor
Once humidity and wind are folded in, August averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Bar Harbor weather by month
How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 30° / 16° | 3.9 | 10.2 | 7.7 | 9 | 0.0 |
| Feb | 31° / 17° | 3.3 | 9.3 | 7 | 10.1 | 0.0 |
| Mar | 38° / 25° | 3.9 | 10.6 | 6 | 11.6 | 0.0 |
| Apr | 48° / 37° | 3.8 | 11.4 | 2.4 | 13.2 | 1.6 |
| May | 57° / 46° | 3.3 | 11 | 0 | 14.6 | 3.9 |
| Jun | 66° / 54° | 3.6 | 10.1 | 0 | 15.3 | 5.9 |
| Jul | 72° / 60° | 2.8 | 10 | 0 | 15 | 6.7 |
| Aug | 72° / 60° | 2.8 | 8.3 | 0 | 13.8 | 7.0 |
| Sep | 66° / 54° | 3.7 | 7.9 | 0 | 12.3 | 6.3 |
| Oct | 56° / 45° | 4.7 | 9.9 | 0.2 | 10.8 | 3.7 |
| Nov | 45° / 35° | 4.3 | 10 | 1.5 | 9.4 | 1.1 |
| Dec | 35° / 24° | 4.8 | 11.6 | 6.2 | 8.7 | 0.0 |
Cloud cover in August
The sky is clear or mostly clear about 33% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 47 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 53 | 53 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 |
| Cloudier (%) | 53 | 52 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 50 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 47 | 53 |
| 2 | 48 | 52 |
| 3 | 49 | 51 |
| 4 | 49 | 51 |
| 5 | 49 | 51 |
| 6 | 49 | 51 |
| 7 | 49 | 51 |
| 8 | 49 | 51 |
| 9 | 49 | 51 |
| 10 | 50 | 50 |
| 11 | 50 | 50 |
| 12 | 51 | 49 |
| 13 | 51 | 49 |
| 14 | 51 | 49 |
| 15 | 51 | 49 |
| 16 | 51 | 49 |
| 17 | 52 | 48 |
| 18 | 52 | 48 |
| 19 | 53 | 47 |
| 20 | 53 | 47 |
| 21 | 55 | 45 |
| 22 | 55 | 45 |
| 23 | 55 | 45 |
| 24 | 56 | 44 |
| 25 | 56 | 44 |
| 26 | 56 | 44 |
| 27 | 56 | 44 |
| 28 | 56 | 44 |
| 29 | 56 | 44 |
| 30 | 56 | 44 |
| 31 | 56 | 44 |
Chance of precipitation in August
Bar Harbor gets around 2.8 in of rain over 8.3 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 27% and peaks near 29% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 29 |
| 3 | 28 |
| 4 | 28 |
| 5 | 28 |
| 6 | 28 |
| 7 | 28 |
| 8 | 28 |
| 9 | 28 |
| 10 | 28 |
| 11 | 28 |
| 12 | 28 |
| 13 | 28 |
| 14 | 28 |
| 15 | 27 |
| 16 | 27 |
| 17 | 27 |
| 18 | 27 |
| 19 | 26 |
| 20 | 26 |
| 21 | 25 |
| 22 | 25 |
| 23 | 25 |
| 24 | 25 |
| 25 | 24 |
| 26 | 24 |
| 27 | 24 |
| 28 | 24 |
| 29 | 24 |
| 30 | 24 |
| 31 | 24 |
Humidity in August
Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the comfortable band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 15 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 25 | 26 | 28 | 29 | 30 | 31 | 33 | 34 | 35 |
| Comfortable (%) | 32 | 32 | 33 | 34 | 35 | 36 | 37 | 37 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 |
| Humid (%) | 45 | 45 | 44 | 43 | 43 | 42 | 41 | 40 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 34 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| Muggy (%) | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 11 | 32 | 45 | 12 |
| 2 | 11 | 32 | 45 | 11 |
| 3 | 11 | 33 | 44 | 11 |
| 4 | 12 | 34 | 43 | 11 |
| 5 | 12 | 35 | 43 | 11 |
| 6 | 12 | 36 | 42 | 10 |
| 7 | 12 | 37 | 41 | 10 |
| 8 | 12 | 37 | 40 | 10 |
| 9 | 13 | 38 | 39 | 10 |
| 10 | 13 | 39 | 39 | 10 |
| 11 | 13 | 39 | 38 | 10 |
| 12 | 14 | 39 | 38 | 10 |
| 13 | 15 | 39 | 37 | 9 |
| 14 | 15 | 39 | 37 | 9 |
| 15 | 16 | 39 | 36 | 9 |
| 16 | 17 | 38 | 36 | 9 |
| 17 | 18 | 38 | 36 | 9 |
| 18 | 19 | 38 | 35 | 9 |
| 19 | 20 | 37 | 35 | 8 |
| 20 | 21 | 37 | 34 | 8 |
| 21 | 22 | 36 | 34 | 8 |
| 22 | 23 | 36 | 33 | 7 |
| 23 | 25 | 36 | 32 | 7 |
| 24 | 26 | 36 | 31 | 7 |
| 25 | 28 | 36 | 30 | 7 |
| 26 | 29 | 36 | 29 | 6 |
| 27 | 30 | 36 | 28 | 6 |
| 28 | 31 | 36 | 27 | 6 |
| 29 | 33 | 36 | 26 | 6 |
| 30 | 34 | 36 | 25 | 5 |
| 31 | 35 | 35 | 24 | 5 |
Wind in August
Winds average 7 mph in August, the calmest month.
Across August, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | light breeze |
| 23 | 7 | light breeze |
| 24 | 8 | light breeze |
| 25 | 8 | light breeze |
| 26 | 8 | light breeze |
| 27 | 8 | light breeze |
| 28 | 8 | light breeze |
| 29 | 8 | light breeze |
| 30 | 8 | light breeze |
| 31 | 8 | light breeze |
Sunrise & sunset in August
Daylight runs from about 14 h 30 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 84 minutes over August. Sunrise moves from 4:24 AM to 4:59 AM, and sunset from 6:54 PM to 6:07 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.5 | 14.5 | 14.4 | 14.4 | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.1 | 14.1 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.8 | 13.8 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 |
| Sunrise (AM) | 4:24 | 4:25 | 4:26 | 4:27 | 4:28 | 4:29 | 4:30 | 4:32 | 4:33 | 4:34 | 4:35 | 4:36 | 4:37 | 4:39 | 4:40 | 4:41 | 4:42 | 4:43 | 4:45 | 4:46 | 4:47 | 4:48 | 4:49 | 4:51 | 4:52 | 4:53 | 4:54 | 4:55 | 4:57 | 4:58 | 4:59 |
| Sunset (PM) | 6:54 | 6:53 | 6:52 | 6:50 | 6:49 | 6:48 | 6:46 | 6:45 | 6:43 | 6:42 | 6:41 | 6:39 | 6:38 | 6:36 | 6:34 | 6:33 | 6:31 | 6:30 | 6:28 | 6:26 | 6:25 | 6:23 | 6:21 | 6:19 | 6:18 | 6:16 | 6:14 | 6:12 | 6:10 | 6:09 | 6:07 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.5 | 4:24 | 6:54 |
| 2 | 14.5 | 4:25 | 6:53 |
| 3 | 14.4 | 4:26 | 6:52 |
| 4 | 14.4 | 4:27 | 6:50 |
| 5 | 14.3 | 4:28 | 6:49 |
| 6 | 14.3 | 4:29 | 6:48 |
| 7 | 14.3 | 4:30 | 6:46 |
| 8 | 14.2 | 4:32 | 6:45 |
| 9 | 14.2 | 4:33 | 6:43 |
| 10 | 14.1 | 4:34 | 6:42 |
| 11 | 14.1 | 4:35 | 6:41 |
| 12 | 14.0 | 4:36 | 6:39 |
| 13 | 14.0 | 4:37 | 6:38 |
| 14 | 14.0 | 4:39 | 6:36 |
| 15 | 13.9 | 4:40 | 6:34 |
| 16 | 13.9 | 4:41 | 6:33 |
| 17 | 13.8 | 4:42 | 6:31 |
| 18 | 13.8 | 4:43 | 6:30 |
| 19 | 13.7 | 4:45 | 6:28 |
| 20 | 13.7 | 4:46 | 6:26 |
| 21 | 13.6 | 4:47 | 6:25 |
| 22 | 13.6 | 4:48 | 6:23 |
| 23 | 13.5 | 4:49 | 6:21 |
| 24 | 13.5 | 4:51 | 6:19 |
| 25 | 13.4 | 4:52 | 6:18 |
| 26 | 13.4 | 4:53 | 6:16 |
| 27 | 13.3 | 4:54 | 6:14 |
| 28 | 13.3 | 4:55 | 6:12 |
| 29 | 13.2 | 4:57 | 6:10 |
| 30 | 13.2 | 4:58 | 6:09 |
| 31 | 13.1 | 4:59 | 6:07 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.28 kWh/m².
For context, solar energy here swings from a low near 1.41 kWh/m² to a high of 5.84 kWh/m² in July across the year — August's 5.28 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.5 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.4 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.3 | Bright |
| 17 | 5.2 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.0 | Bright |
| 28 | 5.0 | Bright |
| 29 | 4.9 | Bright |
| 30 | 4.9 | Bright |
| 31 | 4.8 | Bright |
Hazard calendar for Bar Harbor
In August, Bar Harbor sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Bar Harbor sits in the Atlantic hurricane belt; the season peaks August–October.
Is August a good time to visit Bar Harbor?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Bar Harbor for general sightseeing.
What to pack for Bar Harbor in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Bar Harbor sees daytime highs around 72°F and nights near 60°F. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.
Sea temperature near Bar Harbor in August
The nearest coast averages about 55°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 55°F and coldest in March near 38°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 42 | 39 | 38 | 40 | 44 | 48 | 53 | 55 | 54 | 52 | 49 | 46 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 42 | Bracing |
| Feb | 39 | Bracing |
| Mar | 38 | Bracing |
| Apr | 40 | Bracing |
| May | 44 | Bracing |
| Jun | 48 | Bracing |
| Jul | 53 | Bracing |
| Aug | 55 | Bracing |
| Sep | 54 | Bracing |
| Oct | 52 | Bracing |
| Nov | 49 | Bracing |
| Dec | 46 | Bracing |
UV index in Bar Harbor in August
Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bar Harbor peaks around July 13 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 6 | 8 | 4 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | High | Very high | Moderate | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 8 | Very high |
| Aug | 4 | Moderate |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Bar Harbor?
Bar Harbor sits at 44.4°N, 68.2°W, 0 ft above sea level, in United States. The nearest listed city is Bangor, 40 mi away.
Topography around Bar Harbor
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Bar Harbor.
Within 2 miles, the terrain around Bar Harbor has significant variations in elevation — a maximum elevation change of 938 ft around an average of 105 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,526 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,516 ft.
The land around Bar Harbor is covered by water (52%) and trees (41%) within 2 miles, water (48%) and trees (47%) within 10 miles, and water (49%) and trees (47%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bar Harbor (44.3876°, -68.2039°, elevation 0 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).