Climate and monthly weather forecast
Birch Harbor, ME

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Weather in January

January, like December, is a freezing cold winter month in Birch Harbor, Maine, with temperature in the range of an average high of 29.7°F (-1.3°C) and an average low of 18.5°F (-7.5°C). Birch Harbor's January weather, marked by an average high temperature of 29.7°F (-1.3°C) and an average low temperature of 18.5°F (-7.5°C), is the coldest in the year. Weather in January »

Weather in February

February, the last month of the winter in Birch Harbor, is another freezing cold month, with temperature in the range of an average high of 30.7°F (-0.7°C) and an average low of 18.9°F (-7.3°C). On the advent of February, Birch Harbor's average high-temperature exhibits a minor adjustment to a still freezing cold 30.7°F (-0.7°C) from January's 29.7°F (-1.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Birch Harbor, Maine, with an average temperature fluctuating between 25.9°F (-3.4°C) and 37.2°F (2.9°C). The start of March is characterized by a subtle increase in the average high-temperature, transitioning from a subzero cold 30.7°F (-0.7°C) in February to an icy 37.2°F (2.9°C). Weather in March »

Weather in April

April is a chilly spring month in Birch Harbor, Maine, with an average temperature varying between 48.6°F (9.2°C) and 35.6°F (2°C). As Birch Harbor enters April, the average high-temperature increases from the an icy 37.2°F (2.9°C) of March to a frosty 48.6°F (9.2°C). Weather in April »

Weather in May

May, the last month of the spring in Birch Harbor, is a moderate month, with an average temperature varying between 44.2°F (6.8°C) and 58.6°F (14.8°C). In Birch Harbor, the onset of May comes with an increased average high-temperature, moving from April's chilly 48.6°F (9.2°C) to a refreshing 58.6°F (14.8°C). Weather in May »

Weather in June

June, the first month of the summer in Birch Harbor, is an enjoyable month, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 66°F (18.9°C). As Birch Harbor, Maine, welcomes June, the average high-temperature displays a subtle shift, adjusting from a moderate 58.6°F (14.8°C) in May to a comfortable 66°F (18.9°C). Weather in June »

Weather in July

July in Birch Harbor, Maine, is an agreeable summer month, with an average temperature varying between 73.2°F (22.9°C) and 58.1°F (14.5°C). As June gives way to July, the average high-temperature displays a slight ascent, adjusting from a comfortable 66°F (18.9°C) to a pleasant 73.2°F (22.9°C). Weather in July »

Weather in August

The last month of the summer, August, is a moderately hot month in Birch Harbor, Maine, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 57.7°F (14.3°C). With its high average temperature of 73.4°F (23°C) and a low of 57.7°F (14.3°C), August is regarded as the warmest month. Weather in August »

Weather in September

September, the first month of the autumn in Birch Harbor, is still a refreshing month, with an average temperature varying between 67.1°F (19.5°C) and 52.7°F (11.5°C). In Birch Harbor, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 73.4°F (23°C) to an enjoyable 67.1°F (19.5°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Birch Harbor, Maine, with an average temperature varying between 55.9°F (13.3°C) and 45°F (7.2°C). As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from an enjoyable 67.1°F (19.5°C) to a moderate 55.9°F (13.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Birch Harbor, is also a frosty month, with an average temperature ranging between min 34.7°F (1.5°C) and max 44.8°F (7.1°C). November comes with a drop in the average high-temperature, falling from October's moderate 55.9°F (13.3°C) to a frosty 44.8°F (7.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Birch Harbor, Maine, with an average temperature varying between 35.1°F (1.7°C) and 25.7°F (-3.5°C). Birch Harbor, Maine, in December demonstrates a small temperature transition, adjusting from an average high of a frosty 44.8°F (7.1°C) in November to a wintry 35.1°F (1.7°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Birch Harbor?

January stands out as Birch Harbor's coldest month, with temperatures ranging between an average high of 29.7°F (-1.3°C) and a low of 18.5°F (-7.5°C).

How many days does it rain in Birch Harbor?

In Birch Harbor, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

When does it snow in Birch Harbor?

Months with snowfall in Birch Harbor, Maine, are January through May, October through December.

How much does it snow in Birch Harbor?

In Birch Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.

When is the lowest UV index in Birch Harbor?

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

What is the most humid month in Birch Harbor?

February is the most humid month, with an average relative humidity of 83%.

What is the snowiest month in Birch Harbor?

The month with the most snowfall is February, when snow falls for 11.4 days and typically aggregates up to 5.75" (146mm) of snow.

What is the month with the least sunshine in Birch Harbor?

With an average of 4.1h of sunshine, February has the least sunshine of the year in Birch Harbor.

When is Daylight Saving Time (DST) in Birch Harbor?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Birch Harbor, 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.

When it does not snow in Birch Harbor?

June through September are months without snowfall in Birch Harbor.

When are the longest days in Birch Harbor?

June has the longest days of the year, with an average of 15h and 30min of daylight.

When is the highest UV index in Birch Harbor?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Birch Harbor, Maine.

What is the driest month in Birch Harbor?

The month with the least rainfall is July, when the rain falls for 13 days and typically collects 1.57" (40mm) of precipitation.

What is the warmest month in Birch Harbor?

August tends to be the warmest month in Birch Harbor, Maine, with temperatures averaging a daily high of 73.4°F (23°C) and a low of 57.7°F (14.3°C).

What month has the most sunshine in Birch Harbor?

The month with the most sunshine is August, with an average of 10.1h of sunshine.

What is the least humid month in Birch Harbor?

With an average relative humidity of 76%, November is the least humid month in Birch Harbor.

What is the wettest month in Birch Harbor?

The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.94" (100mm) of precipitation.

What is the month with the shortest days in Birch Harbor?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

Average temperature
Birch Harbor, ME

Average temperature - Birch Harbor, ME

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure
Birch Harbor, ME

Average pressure - Birch Harbor, ME

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Birch Harbor, ME

Average wind speed - Birch Harbor, ME

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity
Birch Harbor, ME

Average humidity - Birch Harbor, ME

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall
Birch Harbor, ME

Average rainfall - Birch Harbor, ME

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").

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Average rainfall days
Birch Harbor, ME

Average rainfall days - Birch Harbor, ME

The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall
Birch Harbor, ME

Average snowfall - Birch Harbor, ME

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Birch Harbor, ME

Average snowfall days - Birch Harbor, ME

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Birch Harbor, ME

Average daylight / Average sunshine - Birch Harbor, ME

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days
Birch Harbor, ME

Average sunshine days - Birch Harbor, ME

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index
Birch Harbor, ME

Average UV index - Birch Harbor, ME

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average visibility
Birch Harbor, ME

Average visibility - Birch Harbor, ME

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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Birch Harbor, Maine, USA

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