Bar Harbor weather in June

In June, Bar Harbor sees average daytime highs of 66°F and overnight lows near 54°F, with 3.6 in of rain across 10.1 wet days and about 15.3 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 62°F in the first days to 70°F by the end. The sky is clear or mostly clear about 22% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 06 min at the start of June to 15 h 18 min by month's end. Set against the rest of the year, June is Bar Harbor's 10th-clearest and 10th-windiest month. For the whole year in context, see Bar Harbor's year-round climate.

Daytime high
66°
3rd warmest
Overnight low
54°
10th coldest
Rainfall
3.6 in
10.1 wet days
Daylight
15 h 18 min
3:53 AM – 7:13 PM
Cloud cover
67%
10th clearest
Wind
8 mph
10th windiest
Solar energy
5.74 kWh/m²
Travel score
5.9
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 62°F in the first days to 70°F by the end.

A typical June day in Bar Harbor reaches about 66°F in the afternoon and slips back to 54°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 59°F and 73°F. Set against its neighbours, June runs about 9°F warmer than May and about 6°F cooler than July.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16250
26250
36251
46351
56351
66351
76452
86452
96452
106453
116553
126553
136553
146654
156654
166654
176755
186755
196755
206855
216856
226856
236956
246957
256957
266957
276957
287058
297058
307058

How June really feels in Bar Harbor

Once humidity and wind are folded in, June 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.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

June 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 June compares with the rest of the year at a glance. June is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 16°3.910.27.790.0
Feb31° / 17°3.39.3710.10.0
Mar38° / 25°3.910.6611.60.0
Apr48° / 37°3.811.42.413.21.6
May57° / 46°3.311014.63.9
Jun66° / 54°3.610.1015.35.9
Jul72° / 60°2.8100156.7
Aug72° / 60°2.88.3013.87.0
Sep66° / 54°3.77.9012.36.3
Oct56° / 45°4.79.90.210.83.7
Nov45° / 35°4.3101.59.41.1
Dec35° / 24°4.811.66.28.70.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 16% of June, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23367
33268
43367
53367
63367
73466
83466
93565
103763
113763
123862
133961
143961
154159
164159
174159
184258
194159
204159
214258
224159
234258
244258
254258
264258
274159
284159
294258
304258

Chance of precipitation in June

Any precipitation

Bar Harbor gets around 3.6 in of rain over 10.1 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
234
334
434
534
634
734
834
934
1034
1133
1233
1333
1432
1532
1632
1732
1832
1933
2033
2133
2233
2333
2433
2533
2633
2734
2834
2934
3034

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the dry band about 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1881110
2871210
3861310
4851410
5841420
6831520
7821620
8811720
9781930
10772030
11762130
12742240
13712450
14702550
15682660
16652771
17622981
185930101
195731111
205432131
215233141
224934161
234636181
244237201
253938221
263639232
273340252
283141262
292842273
302643283

Wind in June

Winds average 8 mph in June.

Across June, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 06 min at the start of June to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 3:58 AM to 3:57 AM, and sunset from 7:03 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.13:587:03
215.13:577:04
315.13:577:04
415.13:567:05
515.23:567:06
615.23:557:07
715.23:557:08
815.23:557:08
915.23:547:09
1015.33:547:10
1115.33:547:10
1215.33:547:11
1315.33:547:11
1415.33:537:12
1515.33:537:12
1615.33:537:13
1715.33:537:13
1815.33:537:14
1915.33:537:14
2015.33:547:14
2115.33:547:15
2215.33:547:15
2315.33:547:15
2415.33:547:15
2515.33:557:15
2615.33:557:15
2715.33:557:15
2815.33:567:15
2915.33:567:15
3015.33:577:15

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.74 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 — June's 5.74 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in June

Hazard calendar for Bar Harbor

In seasonPeak

In June, 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.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Bar Harbor?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.9
Sightseeing
4th-best month of the year
2.6
Beach & pool
4th-best month of the year

June is a reasonable time to visit Bar Harbor for sightseeing.

What to pack for Bar Harbor in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Bar Harbor sees daytime highs around 66°F and nights near 54°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Bar Harbor in June

The nearest coast averages about 48°F in June — 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.

40°50°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan42Bracing
Feb39Bracing
Mar38Bracing
Apr40Bracing
May44Bracing
Jun48Bracing
Jul53Bracing
Aug55Bracing
Sep54Bracing
Oct52Bracing
Nov49Bracing
Dec46Bracing

UV index in Bar Harbor in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 6 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateModerateLowJul 13UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May7High
Jun6High
Jul8Very high
Aug4Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

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.

2 miles
938 ft
10 miles
1,526 ft
50 miles
1,516 ft
treesgrasslandartificial surfaceswaterwetland
June weather nearby: Bangor 40 mi · Waterville 71 mi · Augusta 78 mi · Brunswick 93 mi · Lewiston 101 mi · Auburn 103 mi · South Portland 114 mi · Portland 114 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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).