Climate and monthly weather forecast
Sanford, ME

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The climate of Sanford

Sanford, Maine resides within an atmospheric realm classified by the Köppen climate classification as Dfb indicating a Humid continental climate with no dry season and warm summers. Characteristics of this climate include significant temperature difference between seasons, with warm to hot summers and cold, often sharply freezing winters.



A moist mainland climate influences Sanford's daily weather conditions through the year. Average high temperatures vary noticeably, ranging from 30°F (-1.1°C) in the most frigid month to a milder 76.3°F (24.6°C) in the peak of summer. Low temperatures also reflect this seasonal temperature swing, with the coldest month dipping down to 18.3°F (-7.6°C), and warming to 60.6°F (15.9°C) in the height of summer.



Monthly relative humidity remains relatively stable through the year, standing between 76% and 82%, suggesting a generally elevated level of moisture in the atmosphere. Furthermore, the amount of annual rainfall is well-distributed across the months, with monthly showers fluctuating from a low of 0.67" (17mm) to a high of 1.54" (39mm). A point of interest is the relatively low amount of snowfall in Sanford, from no snow from June through September, to peaks of 2.83" (72mm) in the coldest season.


The best time to visit Sanford

For many, the most favorable time to visit Sanford emerges between late spring and early fall; a period from May to September. During this time, average high temperatures range from 61.3°F (16.3°C) to 76.3°F (24.6°C) while minimum temperatures do not fall below 46°F (7.8°C). These months present with the most daylight hours, from 14.7 to 15.4 hours daily, offering extended exploratory opportunity for visitors. Furthermore, rainfall during this period is slightly below the annual peak while snowfall is practically none-existent.


The worst time to visit Sanford

It may be less appealing to visit Sanford during the colder months of January and February. Average high temperatures do not exceed freezing point, standing at 30°F (-1.1°C) and 32.5°F (0.3°C) respectively. Moreover, low temperatures drop to an icy 18.3°F (-7.6°C) and 19.4°F (-7°C) directly affecting outdoor activities. Snowfall during this period ranges from 2.2 to 2.6" (66mm) monthly, and daylight hours are at annual minimum with 9.4 and 10.5 hours.


Spring weather in Sanford

Transitioning from the winter cold, spring in Sanford witnesses increased temperature and longer daylight. High temperatures from March through May climb from 39.4°F (4.1°C) to 61.3°F (16.3°C), while low temperatures increase from 26.4°F (-3.1°C) to 46°F (7.8°C). Daylight hours also extend from 12 to 14.7 hours. Nevertheless, spring experiences the most rainfall, with April measuring 1.46" (37mm) and May seeing 1.38" (35mm).


Summer weather in Sanford

In summer, the town of Sanford experiences the warmest conditions of the year. High temperatures in June to August range from 69.3°F (20.7°C) to 76.3°F (24.6°C) and night-time lows vary between 54°F (12.2°C) and 60.6°F (15.9°C). The long summer days provide between 14.7 to 15.4 daily daylight hours. Summer rainfall, though decreases, still persists with between 1.14" (29mm) and 1.5" (38mm) recorded monthly.


Autumn weather in Sanford

Autumn records a downward trend in temperature, but remains relatively mild. The months of September to November see high temperatures decrease from 68.9°F (20.5°C) to 45.9°F (7.7°C), and low temperatures follow a similar trend from 53.6°F (12°C) to 34.2°F (1.2°C). Autumn rainfall and daylight hours align reasonably with annual averages, respectively measuring from 0.67" (17mm) to 1.42" (36mm), and 9.7 to 12.5 hours.


Winter weather in Sanford[/h2>

Winter months are characterized by cold conditions in Sanford. December to February records average high temperatures between 30°F (-1.1°C) to 35.6°F (2°C) and low temperatures from 18.3°F (-7.6°C) to 25.7°F (-3.5°C). Nearly all annual snowfall occurs in these months, rising up to 2.83" (72mm) in December. Winter days are short with 9 to 9.4 daylight hours, minimizing the potential for outdoor explorations.


Weather in January

The commencement of the year in Sanford, Maine, marks an onset of chilly temperatures. The cold wave offers Sanford a wintry charm with snowflakes enhancing its beauty. The residents witness the falling snow and the city turns into a white wonderland. Weather in January »

Weather in February

February in Sanford sees a slight escalation in the temperature spectrum, yet retains its winter character. The snowfall scenes continue, though to a lesser extent, making the city a perfect muse for snow-lovers. The chilly winds, though slower than January, still whip up a cold gust in Sanford's aiways. Weather in February »

Weather in March

March brings with it the first hints of spring to Sanford. The snow stops its dance and retreats gradually, preparing the city for the blossoming season. March also sees a visible increase in daylight hours, making the days longer. Weather in March »

Weather in April

The onset of April sees Sanford shedding its wintry cloak and embracing springtime. The city begins to bloom, with flowers adding colors to Sanford's canvas. Rain replaces snow, nourishing the city's flora. Coupled with the clear skies, April also brings warmer temperatures, going as high as 50.5°F (10.3°C). Weather in April »

Weather in May

May ushers in true spring vibes in Sanford. The weather becomes friendlier, offering a comfortable temperature range for outdoor activities. The extended sunlight hours encourage lush greenery to sprout throughout the city. Rainfall remains a more or less constant companion throughout May, with an average accumulation of around 1.38" (35mm). Weather in May »

Weather in June

Summer starts knocking on Sanford's door in June. The temperature begins to rise, as does the humidity. Nonetheless, the city's weather remains relatively comfortable for residents and tourists alike. The mercury readings now hover around 69.3°F (20.7°C) during the warmest part of the day. Weather in June »

Weather in July

July marks mid-summer in Sanford, bringing warm and humid weather. The verdant landscapes bask under the clear skies. Despite occasional rainfall, the city takes on a sunny disposition. The city records its warmest temperature of the year, reaching a high of 76.3°F (24.6°C). Weather in July »

Weather in August

In August, Sanford's summer continues its reign but with a slight dip in temperature. Temperatures remain warm yet comfortable, making the outdoor climate enjoyable. The city witnesses frequent mild rainfall assisting in keeping the atmosphere cooler. Weather in August »

Weather in September

September brings the first hints of autumn to Sanford. The days shorten, the leaves begin to change colors, and there's a nip in the air. The city prepares to bid farewell to summer, as the temperature starts to fall gradually. Weather in September »

Weather in October

October swathes Sanford in a tapestry of diverse autumn shades. As the temperature continues to plummet, the city experiences its most beautiful season. The cool winds gently rustle the colorful foliage creating a natural symphony. Weather in October »

Weather in November

November brings Sanford closer to winter. The fall foliage gradually vanishes, and the cityscape begins to grey. It's the time when locals pull out their warm apparel to prepare for the cold days ahead. The temperature readings further take a dip, plunging to as low as 34.2°F (1.2°C) during the nights. Weather in November »

Weather in December

December brings Sanford under the full swing of winter. Snowflakes begin to fill the landscape, painting the town in white hues. The daylight shrinks, and the nights are frosty, with holiday decorations dotting the cityscape. An increase in snowfall to 2.83" (72mm) reintroduces the city to its winter wonderland phase. Weather in December »
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Frequently asked questions

What time of the year is the coldest in Sanford?

January is the month that records the lowest temperatures, with averages ranging from a high of 30°F (-1.1°C) to a low of 18.3°F (-7.6°C).

What are the most humid months in Sanford?

January and February, with an average relative humidity of 82%, are most humid months in Sanford.

How much does it rain in Sanford?

Throughout the year, there are 118.9 rainfall days, and 14.61" (371mm) of precipitation is accumulated.

When does it snow in Sanford?

Months with snowfall in Sanford, Maine, are January through May, November and December.

How much does it snow in Sanford?

Throughout the year, in Sanford, there are 31.7 snowfall days, and 10.51" (267mm) of snow is accumulated.

When is the lowest UV index in Sanford?

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

What are the months with the least sunshine in Sanford?

The months with the least sunshine in Sanford are February and December, with an average of 4.9h of sunshine.

When is Daylight Saving Time (DST) in Sanford?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sanford, Maine, 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 is the least humid month in Sanford?

April and November, with an average relative humidity of 76%, are the least humid months in Sanford, Maine.

When it does not snow in Sanford?

June through October are months without snowfall in Sanford.

When are the longest days in Sanford?

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

What month is the hottest in Sanford?

With average high and low temperatures of 76.3°F (24.6°C) and 60.6°F (15.9°C) respectively, July is Sanford's warmest month.

What month has the most sunshine in Sanford?

The month with the most sunshine in Sanford is August, with an average of 10.5h of sunshine.

When is the highest UV index in Sanford?

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

What is the driest month in Sanford?

September is the month with the least rainfall in Sanford. Rain falls for 9.5 days and accumulates 0.67" (17mm) of precipitation.

What is the rainiest month in Sanford?

The month with the most rainfall is October, when the rain falls for 10.3 days and typically aggregates up to 1.54" (39mm) of precipitation.

When does it snow the most in Sanford?

December is the month with the most snowfall. Snow falls for 6.3 days and accumulates 2.83" (72mm) of snow.

What is the month with the shortest days in Sanford?

With an average of 9h and 0min of daylight, December has the shortest days of the year in Sanford, Maine.

Average pressure
Sanford, ME

Average pressure - Sanford, ME

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Sanford, ME

Average wind speed - Sanford, ME

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity
Sanford, ME

Average humidity - Sanford, ME

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April and November (76%).

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Average rainfall
Sanford, ME

Average rainfall - Sanford, ME

The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days
Sanford, ME

Average rainfall days - Sanford, ME

The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall
Sanford, ME

Average snowfall - Sanford, ME

The month with the highest snowfall is December (2.83").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Sanford, ME

Average snowfall days - Sanford, ME

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Sanford, ME

Average daylight / Average sunshine - Sanford, 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 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days
Sanford, ME

Average sunshine days - Sanford, ME

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (14.2 days).

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Average UV index
Sanford, ME

Average UV index - Sanford, 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).

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Average visibility
Sanford, ME

Average visibility - Sanford, 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).

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Sanford, Maine, USA

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