Climate and monthly weather forecast
Westford, VT

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Weather in January

January, like December, is another subzero cold winter month in Westford, Vermont, with an average temperature varying between 24.3°F (-4.3°C) and 12°F (-11.1°C). January, with its high-temperature average of 24.3°F (-4.3°C) and a low-temperature average of 12°F (-11.1°C), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Westford, Vermont, with an average temperature fluctuating between 27°F (-2.8°C) and 13.5°F (-10.3°C). The ushering in of February brings an average high-temperature of a still freezing cold 27°F (-2.8°C), closely mirroring the 24.3°F (-4.3°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Westford, Vermont, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 35.8°F (2.1°C). As March arrives, Westford's weather shows a minor increase in high-temperatures, edging from February's freezing cold 27°F (-2.8°C) to an icy 35.8°F (2.1°C). Weather in March »

Weather in April

April in Westford, Vermont, is a frosty spring month, with an average temperature varying between 49.8°F (9.9°C) and 33.4°F (0.8°C). April indicates a change in the average high-temperature, moving up from a wintry 35.8°F (2.1°C) in March to a chilly 49.8°F (9.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Westford, Vermont, with an average temperature varying between 64.8°F (18.2°C) and 45.1°F (7.3°C). May brings with it a considerable temperature increase, with average high-temperatures rising from April's chilly 49.8°F (9.9°C) to a comfortable 64.8°F (18.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Westford, Vermont, with an average temperature fluctuating between 71.4°F (21.9°C) and 52°F (11.1°C). Westford in June denotes a subtle temperature transition, adjusting from an average high of a comfortable 64.8°F (18.2°C) in May to an agreeable 71.4°F (21.9°C). Weather in June »

Weather in July

July in Westford, Vermont, is a moderately hot summer month, with an average temperature varying between 77.9°F (25.5°C) and 58.1°F (14.5°C). Westford's warmest month, July, generally records average temperatures ranging from a high of 77.9°F (25.5°C) to a low of 58.1°F (14.5°C). Weather in July »

Weather in August

August, the last month of the summer in Westford, is also a moderately hot month, with an average temperature varying between 76.3°F (24.6°C) and 56.8°F (13.8°C). Westford's entry into August measures an average high-temperature of a still warm 76.3°F (24.6°C), closely parallel to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Westford, is also an agreeable month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 49.6°F (9.8°C). With the arrival of September, Westford notices a mild change in the average high-temperature, sliding from August's moderately hot 76.3°F (24.6°C) to a pleasant 69.1°F (20.6°C). Weather in September »

Weather in October

October, like September, in Westford, Vermont, is another fresh autumn month, with an average temperature varying between 55.2°F (12.9°C) and 41.4°F (5.2°C). October's onset corresponds with a shift in the average high-temperature, moving from a pleasant 69.1°F (20.6°C) in September to a cool 55.2°F (12.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Westford, is another cold month, with an average temperature varying between 29.8°F (-1.2°C) and 41.5°F (5.3°C). The decrease of average high-temperatures is mild in November, with a decline from a cool 55.2°F (12.9°C) in October to an icy 41.5°F (5.3°C). Weather in November »

Weather in December

December, the first month of the winter in Westford, is also a subzero cold month, with an average temperature varying between 30°F (-1.1°C) and 20.5°F (-6.4°C). Onset of December witnesses a reduction in the average high-temperature, falling from a wintry 41.5°F (5.3°C) in November to a subzero cold 30°F (-1.1°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Westford?

Westford's January weather reaches an average high of 24.3°F (-4.3°C) and an average low of 12°F (-11.1°C), making it the coldest month.

What is the most humid month in Westford?

The months with the highest humidity are January and February, with an average relative humidity of 87%.

How many days does it rain in Westford?

Throughout the year, in Westford, Vermont, there are 172.5 rainfall days, and 28.07" (713mm) of precipitation is accumulated.

When does it snow in Westford?

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

How many days does it snow in Westford?

Throughout the year, in Westford, there are 92.6 snowfall days, and 43.98" (1117mm) of snow is accumulated.

When is the lowest UV index in Westford?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Westford.

What is the driest month in Westford?

February is the month with the least rainfall in Westford, Vermont. Rain falls for 9.1 days and accumulates 1.73" (44mm) of precipitation.

What is the snowiest month in Westford?

The month with the most snowfall is February, when snow falls for 20.5 days and typically aggregates up to 9.65" (245mm) of snow.

What is the month with the least sunshine in Westford?

February has the least sunshine of the year, with an average of 3.1h of sunshine.

When is Daylight Saving Time (DST) in Westford?

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 Westford?

April and May, with an average relative humidity of 76%, are the least humid months in Westford.

What is the rainiest month in Westford?

The month with the most rainfall in Westford, Vermont, is June, when the rain falls for 18.6 days and typically aggregates up to 3.19" (81mm) of precipitation.

When it does not snow in Westford?

June through September are months without snowfall in Westford, Vermont.

When are the longest days in Westford?

The month with the longest days in Westford is June, with an average of 15h and 30min of daylight.

What are the months with the highest UV index in Westford?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Westford, Vermont.

What part of the year is the hottest in Westford?

July temperatures tend to peak at an average high of 77.9°F (25.5°C) and dip to a low of 58.1°F (14.5°C).

What month has the most sunshine in Westford?

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

What is the month with the shortest days in Westford?

With an average of 8h and 54min of daylight, December has the shortest days of the year in Westford, Vermont.

Average temperature
Westford, VT

Average temperature - Westford, VT

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (24.3°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 (12°F).

Average pressure
Westford, VT

Average pressure - Westford, VT

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Westford, VT

Average wind speed - Westford, VT

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity
Westford, VT

Average humidity - Westford, VT

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).

Average rainfall
Westford, VT

Average rainfall - Westford, VT

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.73").

Average rainfall days
Westford, VT

Average rainfall days - Westford, VT

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (9 days).

Average snowfall
Westford, VT

Average snowfall - Westford, VT

The month with the highest snowfall is February (9.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Westford, VT

Average snowfall days - Westford, VT

The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Westford, VT

Average daylight / Average sunshine - Westford, VT

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 24min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days
Westford, VT

Average sunshine days - Westford, VT

The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (6 days).

Average UV index
Westford, VT

Average UV index - Westford, VT

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average visibility
Westford, VT

Average visibility - Westford, VT

The months with the highest visibility are May, July and August (6mi).
The months with the lowest visibility are January, February and March (4mi).

Westford, Vermont, USA

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