Climate and monthly weather forecast
Billerica, MA

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Weather in January

January, like December, in Billerica, Massachusetts, is an icy winter month, with an average temperature ranging between max 32.5°F (0.3°C) and min 19.9°F (-6.7°C). Billerica notes the coldest temperatures in January, with a high average of 32.5°F (0.3°C) and a low of 19.9°F (-6.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Billerica, Massachusetts, with an average temperature ranging between min 21.4°F (-5.9°C) and max 35.1°F (1.7°C). February welcomes an average high-temperature of a still icy 35.1°F (1.7°C), not much different from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Billerica, is also a wintry month, with an average temperature varying between 28.8°F (-1.8°C) and 42.4°F (5.8°C). With the onset of March, Billerica's average high-temperature experiences a slight rise, moving from February's cold 35.1°F (1.7°C) to a still wintry 42.4°F (5.8°C). Weather in March »

Weather in April

April is a moderate spring month in Billerica, Massachusetts, with an average temperature ranging between min 39°F (3.9°C) and max 55.4°F (13°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a cold 42.4°F (5.8°C) to a moderate 55.4°F (13°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Billerica, Massachusetts, with an average temperature fluctuating between 67.1°F (19.5°C) and 48.7°F (9.3°C). The onset of May brings a rise in the average high-temperature, elevating from a refreshing 55.4°F (13°C) in April to a comfortable 67.1°F (19.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Billerica, Massachusetts, with an average temperature fluctuating between 75.2°F (24°C) and 56.3°F (13.5°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a comfortable 67.1°F (19.5°C) to a moderately hot 75.2°F (24°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Billerica, Massachusetts, with an average temperature varying between 82.2°F (27.9°C) and 63.1°F (17.3°C). The highest temperatures are recorded in July, with averages reaching a high of 82.2°F (27.9°C) and a low of 63.1°F (17.3°C). July's mean heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Billerica, is another warm month, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 62.2°F (16.8°C). Billerica experiences a subtle adjustment in high-temperatures to a still moderately hot 80.6°F (27°C) with the onset of August, maintaining near parity with July's 82.2°F (27.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Billerica, Massachusetts, with an average temperature varying between 72.5°F (22.5°C) and 55.4°F (13°C). September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 80.6°F (27°C) in August to an agreeable 72.5°F (22.5°C). Weather in September »

Weather in October

October, the same as September, in Billerica, Massachusetts, is another mild autumn month, with an average temperature fluctuating between 59.9°F (15.5°C) and 45.7°F (7.6°C). Onset of October comes with a temperature decline, the average high falling from a pleasant 72.5°F (22.5°C) in September to a moderate 59.9°F (15.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Billerica, Massachusetts, with an average temperature fluctuating between 48.2°F (9°C) and 35.6°F (2°C). As November commences, the average high-temperature shows a reduction, transitioning from a refreshing 59.9°F (15.5°C) in October to a frosty 48.2°F (9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Billerica, Massachusetts, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 37.9°F (3.3°C). A decrease in the average high-temperature is observed during December, shifting from a frosty 48.2°F (9°C) in November to a cold 37.9°F (3.3°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Billerica?

Temperature records in Billerica, Massachusetts, mark January as the coldest month, with highs averaging 32.5°F (0.3°C) and lows at 19.9°F (-6.7°C).

How many days does it rain in Billerica?

In Billerica, during the entire year, the rain falls for 145.9 days and collects up to 27.48" (698mm) of precipitation.

When does it snow in Billerica?

Months with snowfall in Billerica, Massachusetts, are January through May, October through December.

How many days does it snow in Billerica?

In Billerica, during the entire year, snow falls for 32.6 days and aggregates up to 21.61" (549mm) of snow.

When is the lowest UV index in Billerica?

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 Billerica?

With an average relative humidity of 80%, February is the most humid month.

What is the snowiest month in Billerica?

The month with the most snowfall in Billerica, Massachusetts, is February, when snow falls for 8.3 days and typically aggregates up to 5.98" (152mm) of snow.

What is the month with the least sunshine in Billerica?

February has the least sunshine of the year, with an average of 4.7h of sunshine.

When is Daylight Saving Time (DST) in Billerica?

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 is the least humid month in Billerica?

The least humid month in Billerica is April, with an average relative humidity of 70%.

When it does not snow in Billerica?

June through September are months without snowfall.

When are the longest days in Billerica?

With an average of 15h and 18min of daylight, June has the longest days of the year in Billerica.

When is the highest UV index in Billerica?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the warmest month in Billerica?

July is the warmest month in Billerica, with the temperature often reaching an average high of 82.2°F (27.9°C) and an average low of 63.1°F (17.3°C).

What month has the most sunshine in Billerica?

The month with the most sunshine in Billerica is August, with an average of 10.6h of sunshine.

What is the driest month in Billerica?

September is the month with the least rainfall in Billerica. Rain falls for 11.5 days and accumulates 1.46" (37mm) of precipitation.

What is the wettest month in Billerica?

The month with the most rainfall in Billerica is December, when the rain falls for 10.9 days and typically aggregates up to 2.87" (73mm) of precipitation.

What is the month with the shortest days in Billerica?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

Average temperature
Billerica, MA

Average temperature - Billerica, MA

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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Average pressure
Billerica, MA

Average pressure - Billerica, MA

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Billerica, MA

Average wind speed - Billerica, MA

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average rainfall
Billerica, MA

Average rainfall - Billerica, MA

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days
Billerica, MA

Average rainfall days - Billerica, MA

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall
Billerica, MA

Average snowfall - Billerica, MA

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Billerica, MA

Average snowfall days - Billerica, MA

The month with the highest number of snowfall days is February (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
Billerica, MA

Average daylight / Average sunshine - Billerica, MA

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days
Billerica, MA

Average sunshine days - Billerica, MA

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (13.6 days).

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Average UV index
Billerica, MA

Average UV index - Billerica, MA

The months with the highest UV index are June, July and 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
Billerica, MA

Average visibility - Billerica, MA

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

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Billerica, Massachusetts, USA

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