Bangor weather in October

In October, Bangor sees average daytime highs of 57°F and overnight lows near 40°F, with 4.4 in of precipitation across 10.6 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 62°F in the first days to 51°F by the end. The sky is clear or mostly clear about 31% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 hours by month's end. Set against the rest of the year, October is Bangor's 4th-clearest and 6th-windiest month. For the whole year in context, see Bangor's year-round climate.

Daytime high
57°
6th warmest
Overnight low
40°
7th coldest
Precipitation
4.4 in
10.6 wet days
Daylight
10 h 42 min
5:58 AM – 4:42 PM
Cloud cover
60%
4th clearest
Wind
8 mph
6th windiest
Solar energy
2.65 kWh/m²
Travel score
4.0
out of 10

Bangor is city in and county seat of Penobscot County, Maine, United States.

Density
362/km²
people per km²
Founded
1769

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 62°F in the first days to 51°F by the end.

A typical October day in Bangor reaches about 57°F in the afternoon and slips back to 40°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 48°F and 67°F. Set against its neighbours, October runs about 12°F cooler than September and about 12°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16345
26345
36245
46244
56244
66144
76143
86043
96042
106042
115942
125942
135841
145841
155741
165740
175640
185640
195639
205539
215539
225438
235438
245338
255338
265337
275237
285237
295137
305136
315136

How October really feels in Bangor

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 7 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
7
wind chill below the day's low

The story in October is cold — wind chill drags the overnight "feels like" below the raw low.

Bangor weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan28° / 11°3.49.16.990.0
Feb31° / 13°2.997.310.10.0
Mar39° / 22°3.610.46.311.60.2
Apr52° / 34°3.611.22.713.22.6
May63° / 44°3.311.30.114.65.3
Jun73° / 53°3.711.4015.36.3
Jul78° / 59°3.110.60156.5
Aug77° / 58°3.09.5013.96.9
Sep69° / 50°3.58.4012.36.7
Oct57° / 40°4.410.60.510.74.0
Nov45° / 30°3.79.82.69.40.9
Dec34° / 19°4.311.578.70.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24951
34951
44951
54951
64951
74852
84852
94852
104852
114852
124852
134753
144852
154852
164654
174555
184555
194555
204555
214555
224555
234456
244456
254357
264357
274357
284258
294258
304258
314258

Chance of precipitation in October

Any precipitationSnow

Bangor gets around 4.4 in of rain and snow over 10.6 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 36% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1330
2340
3340
4340
5340
6340
7330
8331
9331
10331
11331
12331
13331
14331
15331
16331
17331
18341
19342
20342
21352
22352
23353
24353
25363
26363
27364
28364
29364
30365
31365

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
184106
285105
38794
48884
58983
69073
79172
89262
99262
109451
119451
129451
139451
149451
159541
169541
179541
189541
199541
209541
219541
229541
239541
249541
259541
269541
279640
289640
299730
309730
319730

Wind in October

Winds average 8 mph in October.

Across October, 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.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117light breeze
127light 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
318light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over October. Sunrise moves from 5:39 AM to 6:19 AM, and sunset from 5:09 PM to 4:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:395:09
211.55:405:07
311.45:415:05
411.35:435:04
511.35:445:02
611.25:455:00
711.25:474:58
811.15:484:56
911.15:494:54
1011.05:504:52
1111.05:524:51
1210.95:534:49
1310.95:544:47
1410.85:564:45
1510.85:574:44
1610.75:584:42
1710.76:004:40
1810.66:014:38
1910.66:024:37
2010.56:044:35
2110.56:054:33
2210.46:064:32
2310.46:084:30
2410.36:094:29
2510.36:114:27
2610.26:124:26
2710.26:134:24
2810.16:154:23
2910.16:164:21
3010.06:174:20
3110.06:194:18

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.65 kWh/m².

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 5.74 kWh/m² in July across the year — October's 2.65 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.2Moderate
33.2Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.0Moderate
83.0Moderate
93.0Moderate
102.9Moderate
112.9Moderate
122.8Moderate
132.8Moderate
142.7Moderate
152.7Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.5Moderate
202.5Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.2Moderate
282.2Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in October

Hazard calendar for Bangor

In seasonPeak

In October, Bangor sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Bangor 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 October a good time to visit Bangor?

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

4.0
Sightseeing
6th-best month of the year
0.3
Beach & pool
6th-best month of the year

October is a reasonable time to visit Bangor for sightseeing.

What to pack for Bangor in October

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

In October, Bangor sees daytime highs around 57°F and nights near 40°F. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Bangor in October

The nearest coast averages about 54°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 mi away) is warmest in August at about 58°F and coldest in February near 35°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

30°40°50°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan39Bracing
Feb35Bracing
Mar35Bracing
Apr40Bracing
May46Bracing
Jun52Bracing
Jul57Bracing
Aug58Bracing
Sep57Bracing
Oct54Bracing
Nov49Bracing
Dec44Bracing

UV index in Bangor in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bangor 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 21 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 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul8Very high
Aug4Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Bangor?

Bangor sits at 44.8°N, 68.8°W, 118 ft above sea level, in United States. The nearest listed city is Bar Harbor, 40 mi away.

Topography around Bangor

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Bangor.

Within 2 miles, the terrain around Bangor has only modest variations in elevation — a maximum elevation change of 266 ft around an average of 118 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 912 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,870 ft.

The land around Bangor is covered by trees (51%) and artificial surfaces (23%) within 2 miles, trees (78%) within 10 miles, and trees (80%) within 50 miles.

2 miles
266 ft
10 miles
912 ft
50 miles
1,870 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Bar Harbor 40 mi · Waterville 45 mi · Augusta 60 mi · Brunswick 85 mi · Lewiston 86 mi · Auburn 87 mi · Portland 108 mi · South Portland 108 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 Bangor (44.7988°, -68.7726°, elevation 118 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).