The best times to visit Biddeford for ideal weather are

May 21st to September 30th

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



Other Biddeford Travel Info

Weather in Biddeford


Average temperatures in Biddeford vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 33rd 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 Biddeford, 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 83.2°F (28.4°C) with temperatures rarely dropping below 59.5°F (15.3°C) at night.

Biddeford Temperatures (Fahrenheit)


Biddeford 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.

Biddeford Perceived Temperature (F)


Biddeford Perceived Temperature (C)



Average Biddeford 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 32.5 22.3 11.4
Feb 33.8 23.6 12.6
Mar 43.8 33 22.7
Apr 57 45 33.7
May 68.5 56.1 44.9
Jun 75.1 63.9 53.3
Jul 82 70.1 59.1
Aug 80.2 68 56.6
Sep 73 60.4 48.9
Oct 60.6 49.6 39.1
Nov 49.3 38.7 28.7
Dec 38.2 29.3 20.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 0.3 -5.4 -11.4
Feb 1 -4.7 -10.8
Mar 6.6 0.6 -5.2
Apr 13.9 7.2 0.9
May 20.3 13.4 7.2
Jun 23.9 17.7 11.8
Jul 27.8 21.2 15.1
Aug 26.8 20 13.7
Sep 22.8 15.8 9.4
Oct 15.9 9.8 3.9
Nov 9.6 3.7 -1.8
Dec 3.4 -1.5 -6.5



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Biddeford are January, November, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January. For example, on the week of January 22nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late December with an average of 2 days of significant precipitation the week of December 24th.

When can you find snow in Biddeford? Weather stations report no annual snow. 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 Biddeford.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 11% 0 1.5
Feb 16% 0 1.9
Mar 17% 0 3.4
Apr 17% 0 3.3
May 14% 0 1.7
Jun 21% 0 3.5
Jul 17% 0 3.5
Aug 16% 0 2.8
Sep 13% 0 2.7
Oct 17% 0 3.2
Nov 12% 0 2.4
Dec 19% 0 2.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 11 0 3.8
Feb 16 0 4.8
Mar 17 0 8.6
Apr 17 0 8.4
May 14 0 4.3
Jun 21 0 8.9
Jul 17 0 8.9
Aug 16 0 7.1
Sep 13 0 6.9
Oct 17 0 8.1
Nov 12 0 6.1
Dec 19 0 6.9


Humidity and Wind

Biddeford has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (47% relative humidity), and the most humid month is September (65.1%).

Wind in Biddeford is usually calm. The windiest month is February, followed by March and April. February’s average wind speed of around 6.7 knots (7.7 MPH or 12.4 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid February where average top sustained speeds reach 15.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

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 5.9 Light breeze 14 Significant breeze
Feb 6.7 Light breeze 14.7 Significant breeze
Mar 6.7 Light breeze 14.5 Significant breeze
Apr 6.3 Light breeze 14.3 Significant breeze
May 5.1 Light breeze 12.4 Significant breeze
Jun 4.7 Light breeze 11.5 Significant breeze
Jul 4.1 Light breeze 10.9 Significant breeze
Aug 3.7 Barely noticeable 10.2 Gentle breeze
Sep 3.9 Barely noticeable 10.5 Significant breeze
Oct 5.1 Light breeze 12.3 Significant breeze
Nov 5.4 Light breeze 12.6 Significant breeze
Dec 5.7 Light breeze 12.9 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 53.3%
Feb 48.9%
Mar 48.3%
Apr 47%
May 54.4%
Jun 61.7%
Jul 63.5%
Aug 64.3%
Sep 65.1%
Oct 61.7%
Nov 56.7%
Dec 61.9%


Is it Safe to Travel to Biddeford?

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 Biddeford, 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 Biddeford 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 Biddeford Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.9°F (23.3°C) and 36.2°F (2.3°C) with far warmer temperatures in the later months. Rain is somewhat common with 4 to 5 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 most precipitation with 5 to 6 days of precipitation per month. June – August is the busiest season for tourism in Biddeford, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 78.6°F (25.9°C) and 44.2°F (6.8°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 5 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 Biddeford to be enjoyable for warm weather travelers. The average high during this season is between 40°F (4.4°C) and 29.2°F (-1.6°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are the second busiest with tourists.


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