The best times to visit Bangor for ideal weather are

May 14th to October 7th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Bangor Travel Info

Weather in Bangor


Average temperatures in Bangor vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 26th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Bangor, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 83.4°F (28.6°C) with temperatures rarely dropping below 59.7°F (15.4°C) at night.

Bangor Temperatures (Fahrenheit)


Bangor Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Bangor Perceived Temperature (F)


Bangor Perceived Temperature (C)



Average Bangor Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 29.4 19.5 9
Feb 30.3 19.9 8.9
Mar 40.8 30.2 20.1
Apr 54.2 42.7 31.9
May 67.3 55.1 44.3
Jun 73.6 62.1 51.4
Jul 81.9 69.8 58.3
Aug 79.8 68.1 57.3
Sep 72.9 60.9 50.1
Oct 60.2 49.7 39.9
Nov 47.9 37.3 27.9
Dec 36.6 28.2 19.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -1.4 -6.9 -12.8
Feb -0.9 -6.7 -12.8
Mar 4.9 -1 -6.6
Apr 12.3 5.9 -0.1
May 19.6 12.8 6.8
Jun 23.1 16.7 10.8
Jul 27.7 21 14.6
Aug 26.6 20.1 14.1
Sep 22.7 16.1 10.1
Oct 15.7 9.8 4.4
Nov 8.8 2.9 -2.3
Dec 2.6 -2.1 -6.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Bangor are February, March, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid February. For example, on the week of February 12th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid May with an average of 3 days of significant precipitation the week of May 14th.

When can you find snow in Bangor? Weather stations report very large amounts of snow likely to be deepest around February, especially close to early February. The best time to ski (if at all) in Bangor is often around around January 29th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Bangor.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Bangor (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 19% 9.2 2
Feb 18% 19.9 1.9
Mar 19% 17.1 2.4
Apr 28% 8.6 3.2
May 34% 0 3.8
Jun 25% 0 4.9
Jul 22% 0 2.7
Aug 22% 0 4.1
Sep 23% 0 4.4
Oct 27% 3.1 5.8
Nov 22% 4.1 2.9
Dec 32% 4.7 4.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 19 23.4 5.1
Feb 18 50.5 4.8
Mar 19 43.4 6.1
Apr 28 21.8 8.1
May 34 0 9.7
Jun 25 0 12.4
Jul 22 0 6.9
Aug 22 0 10.4
Sep 23 0 11.2
Oct 27 7.9 14.7
Nov 22 10.4 7.4
Dec 32 11.9 10.4


Humidity and Wind

Bangor has some high humidity months, with other comfortably humid months. The least humid month is April (51.5% relative humidity), and the most humid month is December (69.8%).

Wind in Bangor is usually calm. The windiest month is March, followed by April and February. March’s average wind speed of around 7.9 knots (9 MPH or 14.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late March where average top sustained speeds reach 16.4 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Bangor.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6.1 Light breeze 13.4 Significant breeze
Feb 6.7 Light breeze 14.2 Significant breeze
Mar 7.9 Gentle breeze 15.4 Significant breeze
Apr 7.6 Gentle breeze 15.3 Significant breeze
May 6.6 Light breeze 13.3 Significant breeze
Jun 6.1 Light breeze 12.9 Significant breeze
Jul 5.4 Light breeze 11.8 Significant breeze
Aug 5.1 Light breeze 11.7 Significant breeze
Sep 5.4 Light breeze 11.7 Significant breeze
Oct 5.9 Light breeze 12.4 Significant breeze
Nov 5.9 Light breeze 12.7 Significant breeze
Dec 6 Light breeze 12.3 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 56.5%
Feb 54.2%
Mar 52.1%
Apr 51.5%
May 62.5%
Jun 63.7%
Jul 63.9%
Aug 66.8%
Sep 68.1%
Oct 65.4%
Nov 63.1%
Dec 69.8%


Is it Safe to Travel to Bangor?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Bangor, ME, US is June, followed by August and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Bangor in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 56.3 in November means 56.3% of the tourists vs. June.



Overall Bangor Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.7°F (22.1°C) and 31.6°F (-0.2°C) with far warmer temperatures in the later months. Rain is somewhat common with 6 to 11 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 7 to 8 days of precipitation per month. June – August is the busiest season for tourism in Bangor, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 77.6°F (25.3°C) and 41.9°F (5.5°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Bangor to be enjoyable for warm weather travelers. The average high during this season is between 39.2°F (4°C) and 24°F (-4.4°C). On average, it rains or snows a fair amount: 5 to 10 times per month. These times of year are the second busiest with tourists.


Best Times to Travelthe United States › Bangor, ME, US