Climate and monthly weather forecast
Biddeford, ME

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The climate of Biddeford

Biddeford, a city located in Maine, USA, experiences a Humid continental, no dry season, warm summer climate, as classified by the Köppen climate classification system. This particular climate predominates a significant proportion of the region, aptly named Dfb. The climate throughout the year attributes variations in weather with distinguishable seasonal changes.

The annual averages of key climatological parameters suggest distinct patterns. Temperatures oscillate from as low as 19.8°F (-6.8°C) in the colder months to as high as 74.5°F (23.6°C) amid the warmer months. It is noticed that humidity remains relatively stable throughout the year, pivoting around the 80% mark, indicative of a consistently moist atmosphere.

Biddeford observes rainfall almost every month, with variations in averages from 1.34" (34mm) to 2.95" (75mm). Consequently, the city experiences rainfall days almost consistently throughout the year, peaking during the spring and slightly declining during the summer months. Snowfall is observed from October to April, showing a higher prevalence in the months between December and February, while completely absent from May to September. This pattern confirms the lack of a dry month, which aligns with the Dfb climate classification.

The daylight duration extends from a shorter span of 9 hours to a longer one of 15.4 hours coinciding with the switch from winter to summer. Concurrently, the duration of sunshine, from a lower value of 4.7 hours to a higher one of 10.3 hours, pattern reflects seasonality, integrating more sunlight during longer days and less during reduced daylight hours.

The Best Time to Visit Biddeford

Ideal visiting times hinge largely on personal preferences for temperature and daylight hours. For those seeking warm temperatures coupled with ample daylight, June to August offers the most favorable conditions. During this period, average temperatures remain within a comfortable range between 67.5°F (19.7°C) to 74.5°F (23.6°C). This period also promises longer daylight hours, peaking at 15.4 hours in June, thereby providing ample opportunity to explore.

The Worst Time to Visit Biddeford

Considering the severe cold and reduced daylight, the months between December and February may not be the best time to visit Biddeford. As the temperatures plunge down, averaging between 19.8°F (-6.8°C) to 32.5°F (0.3°C) and daylight shrinking down to 9-9.7 hours, the environment becomes less inviting for outdoor activities.

Spring Weather in Biddeford

In Biddeford, Spring, covering March to May, shows a gradual ascent in temperatures from 39°F (3.9°C) to 59.9°F (15.5°C). Rainfall is encountered regularly during this season, with averages climbing from 2.24" (57mm) in March to 2.64" (67mm) in April before reducing slightly to 2.32" (59mm) in May. Daylight hours steadily increase and along with a noticeable escalation in the sunshine duration from 5.7 hours in March to 7.9 hours in May.

Summer Weather in Biddeford

In Summer, between June and August, temperatures continue to climb, peaking at 74.5°F (23.6°C) in July. Rainfall, while present, decreases to an average low of 1.89" (48mm) in July. Daylight and sunshine hours reach their highest in this period with a maximum of 15.4 hours and 10.3 hours respectively, illustrating an ideal environment for outdoor activities.

Autumn Weather in Biddeford

During autumn, from September to November, a downward trend in temperatures is noticed falling from 68°F (20°C) to a cooler 46.2°F (7.9°C). Rainfall increases again, reaching the highest value of 2.95" (75mm) in October. Daylight hours decrease along with the duration of sunshine, indicating the transition towards winter.

Winter Weather in Biddeford

Winter in Biddeford sees a steep decline in temperatures, falling as low as 19.8°F (-6.8°C) in January. Snowfall is frequently encountered, peaking at 4.33" (110mm) in December. Sunshine duration and daylight hours are at their minimum, signaling the onset of the dark and cold periods of the year characteristic of a continental climate.

Weather in January

In Biddeford, Maine, January is the inception of the year characterized by a chilly climate and long nights. The temperatures can drop as low as 19.8°F (-6.8°C) at night and reach highs of only 30.7°F (-0.7°C) during the day. Weather in January »

Weather in February

February in Biddeford is still within the winter's grip, but subtle changes in the weather patterns start to show. Daylight increases to 10.5 hours from 9.4 hours in January making the shortest month of the year a bit brighter. Weather in February »

Weather in March

March signals the arrival of the much-awaited spring season in Biddeford. The weather begins to thaw, and the average daily high temperatures see a significant jump to 39°F (3.9°C) from the chilly February. The snowfall reduces drastically signaling the end of the winter staple and the inception of the rainfall pattern. Weather in March »

Weather in April

April embraces a warmer ambiance with a notable decrease in snowfall in Biddeford. Spring flowers start to bloom as the temperature reaches an average high nearing 50°F (10°C), escalating from the cooler March weather. Showers frequent the city, sparking the adage "April showers bring May flowers". Weather in April »

Weather in May

May ushers in a vivid freshness with an astounding spike in temperatures soaring to an average high of 59.9°F (15.5°C) in Biddeford. The snow completely makes way for rainfall, nourishing the blooming flora, part of the spring charm. Weather in May »

Weather in June

June marks the advent of the summer season in Biddeford, with temperatures reaching an average high of 67.5°F (19.7°C). The radiant charm of summer makes days sunnier and longer. The vibrant city buzzes with lake and beach activities taking full advantage of the weather conditions. Weather in June »

Weather in July

July, the heart of the summer season, witnesses the year's highest temperatures in Biddeford, hitting an apex at 74.5°F (23.6°C). Amid the scorching sun and long daylight hours, outdoor activities thrive. The benign breeze from the lakes and coast provides relief from the heat. Weather in July »

Weather in August

In Biddeford, August subtly echoes July's charming warmth, with the temperature touching a high of 74.1°F (23.4°C). The humidity levels gradually begin to decrease, marking the start of the transition phase towards the cooler months. Weather in August »

Weather in September

September signals the arrival of the fall season in Biddeford and a marginally cooler climate with temperatures returning to an average daily high of 68°F (20°C). The transition is also marked by shorter daylight hours, a stark contrast from the summer months. Weather in September »

Weather in October

October in Biddeford brings a fresh, crisp feel in the air with peak fall season, paired with a cooler weather setting in. Temperature starting to dip down to warmer 56.8°F (13.8°C) from the high 60s, signaling the onset of the winter months. Weather in October »

Weather in November

Impending winter becomes clear in the November weather pattern in Biddeford. The first snowfalls occur, albeit sporadic, and temperatures drop significantly to an average high of 46.2°F (7.9°C), a visible shift from October. Weather in November »

Weather in December

In Biddeford, December stands synonymous with winter. The temperature plunges further to an average maximum of 36.5°F (2.5°C) from November's chilly 46.2°F (7.9°C). The snowfall increases significantly, painting the city in white, bringing with it the festive winter charm. Weather in December »
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest period tends to be January, when average temperatures fluctuate between a high of 30.7°F (-0.7°C) and a low of 19.8°F (-6.8°C).

How many days does it rain?

Throughout the year, there are 133.9 rainfall days, and 27.44" (697mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through May, October through December.

How much does it snow?

In Biddeford, during the entire year, snow falls for 33.7 days and aggregates up to 18.94" (481mm) of snow.

What is the month with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 7.2 days and typically aggregates up to 4.41" (112mm) of snow.

What are the months with the least sunshine in Biddeford?

February and December, with an average of 4.7h of sunshine, are months with the least sunshine.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What are the most humid months?

June and July, with an average relative humidity of 82%, are most humid months.

When it does not snow in Biddeford?

In Biddeford, snow does not fall in June through September.

When are the longest days?

The month with the longest days is June, with an average of 15h and 24min of daylight.

What are the warmest months?

In Biddeford, July is the warmest month, with temperatures averaging a high of 74.5°F (23.6°C) and a low of 61.2°F (16.2°C).

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.3h of sunshine.

When is the highest UV index?

August is the month with the highest UV index, with an average maximum UV index of 6.

What is the driest month in Biddeford?

The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 1.34" (34mm) of precipitation.

What is the rainiest month?

October is the month with the most rainfall. Rain falls for 12.2 days and accumulates 2.95" (75mm) of precipitation.

What is the least humid month?

The least humid month is November, with an average relative humidity of 75%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

Average temperature
Biddeford, ME

Average temperature - Biddeford, ME

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure
Biddeford, ME

Average pressure - Biddeford, ME

The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Biddeford, ME

Average wind speed - Biddeford, ME

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity
Biddeford, ME

Average humidity - Biddeford, ME

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).

Average rainfall
Biddeford, ME

Average rainfall - Biddeford, ME

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days
Biddeford, ME

Average rainfall days - Biddeford, ME

The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).

Average snowfall
Biddeford, ME

Average snowfall - Biddeford, ME

The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Biddeford, ME

Average snowfall days - Biddeford, ME

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Biddeford, ME

Average daylight / Average sunshine - Biddeford, ME

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

Average sunshine days
Biddeford, ME

Average sunshine days - Biddeford, ME

The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).

Average UV index
Biddeford, ME

Average UV index - Biddeford, ME

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Biddeford, ME

Average visibility - Biddeford, ME

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Biddeford, Maine, USA

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