Climate and monthly weather forecast
Littleton, MA

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Weather in January

January, the same as December, is an icy winter month in Littleton, Massachusetts, with an average temperature fluctuating between 19.8°F (-6.8°C) and 32.5°F (0.3°C). The lowest temperatures are recorded in January, with averages reaching a high of 32.5°F (0.3°C) and a low of 19.8°F (-6.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Littleton, Massachusetts, with an average temperature varying between 35.2°F (1.8°C) and 20.7°F (-6.3°C). The transition from January to February brings an average high-temperature of a still wintry 35.2°F (1.8°C), barely different from January's 32.5°F (0.3°C). Weather in February »

Weather in March

March, the first month of the spring in Littleton, is a frosty month, with an average temperature fluctuating between 43°F (6.1°C) and 28.8°F (-1.8°C). Observing a minor shift, the average high-temperature during March adjusts from February's icy 35.2°F (1.8°C) to a frosty 43°F (6.1°C). Weather in March »

Weather in April

April in Littleton, Massachusetts, is a moderate spring month, with an average temperature varying between 56.1°F (13.4°C) and 38.8°F (3.8°C). Entering April, Littleton sees a temperature rise, with the average high-temperature advancing from March's frosty 43°F (6.1°C) to a refreshing 56.1°F (13.4°C). Weather in April »

Weather in May

May, the last month of the spring in Littleton, is an enjoyable month, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 48.7°F (9.3°C). As Littleton transitions into May, the average high-temperature is observed to rise from a moderate 56.1°F (13.4°C) in April to an enjoyable 67.8°F (19.9°C). Weather in May »

Weather in June

June, the first month of the summer in Littleton, is a moderately hot month, with an average temperature ranging between max 75.7°F (24.3°C) and min 55.8°F (13.2°C). With the beginning of June, Littleton's average high-temperature sees a minor increase, transitioning from a comfortable 67.8°F (19.9°C) in May to a moderately hot 75.7°F (24.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Littleton, Massachusetts, with an average temperature fluctuating between 63°F (17.2°C) and 82.2°F (27.9°C). Littleton experiences its highest temperatures in July, with an average peak of 82.2°F (27.9°C) and a low of 63°F (17.2°C). For most parts of July, the heat index is estimated at 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 Littleton, Massachusetts, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 80.6°F (27°C). Littleton marks the onset of August with an average high-temperature of a still moderately hot 80.6°F (27°C), subtly divergent from July's 82.2°F (27.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Littleton, Massachusetts, with an average temperature varying between 54.5°F (12.5°C) and 73°F (22.8°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's warm 80.6°F (27°C) to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, the same as September, in Littleton, Massachusetts, is another refreshing autumn month, with an average temperature ranging between max 59.7°F (15.4°C) and min 45.3°F (7.4°C). The onset of October is marked by a decrease in temperature, transitioning from a pleasant 73°F (22.8°C) in September to a moderate 59.7°F (15.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Littleton, Massachusetts, with an average temperature varying between 34.9°F (1.6°C) and 48.2°F (9°C). The start of November signals a decrease in the average high-temperature, transitioning from a moderate 59.7°F (15.4°C) in October to a chilly 48.2°F (9°C). Weather in November »

Weather in December

December, the first month of the winter in Littleton, is still a cold month, with an average temperature ranging between max 38.1°F (3.4°C) and min 26.6°F (-3°C). December's arrival corresponds with a decrease in average high-temperatures, from November's frosty 48.2°F (9°C) to an icy 38.1°F (3.4°C). Weather in December »
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Frequently asked questions

What is the coldest month in Littleton?

January, with its high-temperature average of 32.5°F (0.3°C) and a low-temperature average of 19.8°F (-6.8°C), is the coldest month.

How many days does it rain in Littleton?

In Littleton, during the entire year, the rain falls for 140 days and collects up to 27.09" (688mm) of precipitation.

When does it snow in Littleton?

January through May, October through December are months with snowfall in Littleton.

How many days does it snow in Littleton?

Throughout the year, in Littleton, Massachusetts, there are 34.1 snowfall days, and 23.58" (599mm) of snow is accumulated.

What is the month with the lowest UV index in Littleton?

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

What is the most humid month in Littleton?

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

What is the snowiest month in Littleton?

The month with the most snowfall in Littleton, Massachusetts, is February, when snow falls for 8.1 days and typically aggregates up to 6.14" (156mm) of snow.

What is the month with the least sunshine in Littleton?

February has the least sunshine of the year, with an average of 4.5h of sunshine.

When is Daylight Saving Time (DST) in Littleton?

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

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

When it does not snow in Littleton?

June through September are months without snowfall in Littleton.

When are the longest days in Littleton?

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

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

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

What part of the year is the hottest in Littleton?

July registers as the month with the average highest temperatures, reaching 82.2°F (27.9°C) at its peak and 63°F (17.2°C) at the lowest.

What month has the most sunshine in Littleton?

With an average of 10.2h of sunshine, August has the most sunshine of the year in Littleton, Massachusetts.

What is the driest month in Littleton?

The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 1.38" (35mm) of precipitation.

What is the rainiest month in Littleton?

The month with the most rainfall in Littleton is October, when the rain falls for 13.3 days and typically aggregates up to 2.68" (68mm) of precipitation.

What is the month with the shortest days in Littleton?

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

Average temperature
Littleton, MA

Average temperature - Littleton, 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°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure
Littleton, MA

Average pressure - Littleton, 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
Littleton, MA

Average wind speed - Littleton, MA

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average rainfall
Littleton, MA

Average rainfall - Littleton, MA

The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is September (1.38").

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Average rainfall days
Littleton, MA

Average rainfall days - Littleton, MA

The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6.5 days).

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Average snowfall
Littleton, MA

Average snowfall - Littleton, MA

The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Littleton, MA

Average snowfall days - Littleton, MA

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
Littleton, MA

Average daylight / Average sunshine - Littleton, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days
Littleton, MA

Average sunshine days - Littleton, MA

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.7 days).

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Average UV index
Littleton, MA

Average UV index - Littleton, 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
Littleton, MA

Average visibility - Littleton, MA

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

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Littleton, Massachusetts, USA

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