Climate and monthly weather forecast
Millis, MA

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Weather in January

January, the same as December, is another cold winter month in Millis, Massachusetts, with an average temperature fluctuating between 21.7°F (-5.7°C) and 34°F (1.1°C). January stands out as Millis's coldest month, with an average high-temperature of 34°F (1.1°C) and a low-temperature of 21.7°F (-5.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Millis, Massachusetts, with an average temperature fluctuating between 36.5°F (2.5°C) and 22.6°F (-5.2°C). The commencement of February notes an average high-temperature of a still icy 36.5°F (2.5°C), exhibiting little difference from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Millis, Massachusetts, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 29.7°F (-1.3°C). The start of March brings a subtle shift in the average high-temperature, edging up from February's wintry 36.5°F (2.5°C) to a frosty 44.1°F (6.7°C). Weather in March »

Weather in April

April in Millis, Massachusetts, is a mild spring month, with an average temperature ranging between max 55.9°F (13.3°C) and min 39.9°F (4.4°C). With the onset of April, Millis's average high-temperature sees a rise, moving from March's frosty 44.1°F (6.7°C) to a mild 55.9°F (13.3°C). Weather in April »

Weather in May

May, the last month of the spring in Millis, is a comfortable month, with an average temperature varying between 49.3°F (9.6°C) and 66.9°F (19.4°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a moderate 55.9°F (13.3°C) to an enjoyable 66.9°F (19.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Millis, Massachusetts, with an average temperature varying between 56.5°F (13.6°C) and 74.8°F (23.8°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a refreshing 66.9°F (19.4°C) in May to a warm 74.8°F (23.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Millis, Massachusetts, with an average temperature ranging between max 82°F (27.8°C) and min 63.3°F (17.4°C). July stands out as Millis's warmest month, with an average high-temperature of 82°F (27.8°C) and a low-temperature of 63.3°F (17.4°C). July's mean heat index is calculated to be a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Millis, Massachusetts, with an average temperature fluctuating between 81°F (27.2°C) and 62.6°F (17°C). The average high-temperature during August is a still warm 81°F (27.2°C), almost matching the conditions of the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Millis, Massachusetts, with an average temperature fluctuating between 73°F (22.8°C) and 55.9°F (13.3°C). A mild shift in the average high-temperature occurs in September, reducing from a warm 81°F (27.2°C) in August to a pleasant 73°F (22.8°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Millis, Massachusetts, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 46.8°F (8.2°C). October comes with a drop in the average high-temperature, falling from September's agreeable 73°F (22.8°C) to a comfortable 61.2°F (16.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Millis, is also a frosty month, with an average temperature fluctuating between 49.3°F (9.6°C) and 36.5°F (2.5°C). Arrival of November comes with a reduction in the average high-temperature, falling from a refreshing 61.2°F (16.2°C) in October to a frosty 49.3°F (9.6°C). Weather in November »

Weather in December

December, the first month of the winter in Millis, is also a wintry month, with an average temperature ranging between max 39.7°F (4.3°C) and min 28.6°F (-1.9°C). The onset of December results in a decrease in the average high-temperature, receding from a chilly 49.3°F (9.6°C) in November to a wintry 39.7°F (4.3°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Millis?

Temperature readings in Millis reach their annual highs in January, averaging 34°F (1.1°C) and a minimum average of 21.7°F (-5.7°C).

How many days does it rain in Millis?

In Millis, Massachusetts, during the entire year, the rain falls for 149 days and collects up to 27.68" (703mm) of precipitation.

When does it snow in Millis?

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

How many days does it snow in Millis?

Throughout the year, there are 31.4 snowfall days, and 17.8" (452mm) of snow is accumulated.

When is the lowest UV index in Millis?

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

What is the most humid month in Millis?

February is the most humid month, with an average relative humidity of 78%.

When does it snow the most in Millis?

February is the month with the most snowfall. Snow falls for 7.6 days and accumulates 4.53" (115mm) of snow.

What is the month with the least sunshine in Millis?

The month with the least sunshine is February, with an average of 4.8h of sunshine.

What is the rainiest month in Millis?

The months with the most rainfall are March, April and December, with an average 2.87" (73mm) of precipitation.

When is Daylight Saving Time (DST) in Millis?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Millis, Massachusetts, 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 Millis?

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

When it does not snow in Millis?

June through September are months without snowfall in Millis.

When are the longest days in Millis?

The month with the longest days is June, with an average of 15h and 12min of daylight.

What is the month with the highest UV index in Millis?

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

What time of the year is the hottest in Millis?

July, having an average high-temperature of 82°F (27.8°C) and an average low-temperature of 63.3°F (17.4°C), is the warmest month in Millis, Massachusetts.

What month has the most sunshine in Millis?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

What is the driest month in Millis?

The month with the least rainfall in Millis is September, when the rain falls for 11 days and typically collects 1.22" (31mm) of precipitation.

What is the month with the shortest days in Millis?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

Average pressure
Millis, MA

Average pressure - Millis, MA

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Millis, MA

Average wind speed - Millis, MA

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average rainfall
Millis, MA

Average rainfall - Millis, MA

The wettest months (with the highest rainfall) are March, April and December (2.87").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days
Millis, MA

Average rainfall days - Millis, MA

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall
Millis, MA

Average snowfall - Millis, MA

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Millis, MA

Average snowfall days - Millis, MA

The month with the highest number of snowfall days is March (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Millis, MA

Average daylight / Average sunshine - Millis, MA

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days
Millis, MA

Average sunshine days - Millis, MA

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (12.8 days).

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Average UV index
Millis, MA

Average UV index - Millis, 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
Millis, MA

Average visibility - Millis, MA

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

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Millis, Massachusetts, USA

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