Climate and monthly weather forecast
Londonderry, VT

Weather in January

January, like December, is another subzero cold winter month in Londonderry, Vermont, with an average temperature ranging between min 12.9°F (-10.6°C) and max 25.2°F (-3.8°C). With an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 12.9°F (-10.6°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Londonderry, Vermont, with an average temperature fluctuating between 28.2°F (-2.1°C) and 14.5°F (-9.7°C). In Londonderry, the average high-temperature in February is relatively the same as in January - a still subzero cold 28.2°F (-2.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Londonderry, Vermont, with an average temperature fluctuating between 22.5°F (-5.3°C) and 36.7°F (2.6°C). In March, the average high-temperature marginally rises from a subzero cold 28.2°F (-2.1°C) in February to a wintry 36.7°F (2.6°C). Weather in March »

Weather in April

April in Londonderry, Vermont, is a fresh spring month, with an average temperature ranging between max 50.5°F (10.3°C) and min 33.3°F (0.7°C). In Londonderry, the average high-temperature in April rises from a cold 36.7°F (2.6°C) in March to a cool 50.5°F (10.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Londonderry, Vermont, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 44.2°F (6.8°C). In Londonderry, the average high-temperature in May increases from a fresh 50.5°F (10.3°C) in April to a comfortable 64.4°F (18°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Londonderry, Vermont, with an average temperature varying between 50.9°F (10.5°C) and 71.2°F (21.8°C). In Londonderry, the average high-temperature in June marginally rises from a comfortable 64.4°F (18°C) in May to a pleasant 71.2°F (21.8°C). Weather in June »

Weather in July

July in Londonderry, Vermont, is a warm summer month, with an average temperature varying between 77.5°F (25.3°C) and 57°F (13.9°C). July is the warmest month, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 57°F (13.9°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Londonderry, Vermont, with an average temperature varying between 55°F (12.8°C) and 75.7°F (24.3°C). In Londonderry, Vermont, the average high-temperature in August is practically the same as in July - a still moderately hot 75.7°F (24.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Londonderry, Vermont, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 49.3°F (9.6°C). In Londonderry, Vermont, the average high-temperature in September marginally drops from a moderately hot 75.7°F (24.3°C) in August to a pleasant 68.5°F (20.3°C). Weather in September »

Weather in October

October, like September, in Londonderry, Vermont, is another fresh autumn month, with an average temperature fluctuating between 40.5°F (4.7°C) and 54.9°F (12.7°C). In October, the average high-temperature drops from an agreeable 68.5°F (20.3°C) in September to a fresh 54.9°F (12.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Londonderry, is another cold month, with an average temperature fluctuating between 42.1°F (5.6°C) and 29.3°F (-1.5°C). In Londonderry, Vermont, the average high-temperature in November decreases from a cool 54.9°F (12.7°C) in October to a wintry 42.1°F (5.6°C). Weather in November »

Weather in December

December, the first month of the winter in Londonderry, is also a subzero cold month, with an average temperature varying between 30.9°F (-0.6°C) and 21°F (-6.1°C). In December, the average high-temperature drops from a cold 42.1°F (5.6°C) in November to a freezing cold 30.9°F (-0.6°C). Weather in December »
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FAQ

What is the coldest month in Londonderry?

With an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 12.9°F (-10.6°C), January is the coldest month in Londonderry.

How much does it rain in Londonderry?

Throughout the year, in Londonderry, Vermont, there are 133 rainfall days, and 12.95" (329mm) of precipitation is accumulated.

When does it snow in Londonderry?

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

How much does it snow in Londonderry?

Throughout the year, in Londonderry, Vermont, there are 62.9 snowfall days, and 18.11" (460mm) of snow is accumulated.

What is the most humid month in Londonderry?

With an average relative humidity of 87%, February is the most humid month.

When does it snow the most in Londonderry?

The month with the most snowfall in Londonderry, Vermont, is February, when snow falls for 14.1 days and typically aggregates up to 4.02" (102mm) of snow.

What is the month with the least sunshine in Londonderry?

The month with the least sunshine in Londonderry, Vermont, is February, with an average of 3.6h of sunshine.

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

The months with the lowest UV index are February and December, with an average maximum UV index of 1.

What is the driest month in Londonderry?

The month with the least rainfall in Londonderry is March, when the rain falls for 10 days and typically collects 0.79" (20mm) of precipitation.

When is Daylight Saving Time (DST) in Londonderry?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Londonderry, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months in Londonderry?

The months with the lowest humidity in Londonderry are April and May, with an average relative humidity of 76%.

What is the rainiest month in Londonderry?

The wettest months are April and October, with an average 1.26" (32mm) of rainfall.

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

May through August, with an average maximum UV index of 5, are months with the highest UV index.

When it does not snow in Londonderry?

In Londonderry, snow does not fall in June through September.

When are the longest days in Londonderry?

The month with the longest days in Londonderry, Vermont, is June, with an average of 15h and 20min of daylight.

What is the warmest month in Londonderry?

July is the warmest month in Londonderry, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 57°F (13.9°C).

What is the month with the most sunshine in Londonderry?

July and August, with an average of 10h of sunshine, are months with the most sunshine.

What is the month with the shortest days in Londonderry?

December has the shortest days of the year in Londonderry, with an average of 9h and 3min of daylight.

Average temperature
Londonderry, VT

Average temperature - Londonderry, VT

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure
Londonderry, VT

Average pressure - Londonderry, VT

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Londonderry, VT

Average wind speed - Londonderry, VT

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity
Londonderry, VT

Average humidity - Londonderry, VT

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

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Average rainfall
Londonderry, VT

Average rainfall - Londonderry, VT

The wettest months (with the highest rainfall) are April and October (1.26").
The driest month (with the least rainfall) is March (0.79").

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Average rainfall days
Londonderry, VT

Average rainfall days - Londonderry, VT

The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are January and February (7.3 days).

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Average snowfall
Londonderry, VT

Average snowfall - Londonderry, VT

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Londonderry, VT

Average snowfall days - Londonderry, VT

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Londonderry, VT

Average daylight / Average sunshine - Londonderry, VT

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days
Londonderry, VT

Average sunshine days - Londonderry, VT

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (11.7 days).

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Average UV index
Londonderry, VT

Average UV index - Londonderry, VT

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

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Average visibility
Londonderry, VT

Average visibility - Londonderry, VT

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

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