Monthly weather forecast and climate
Twin Mountain, NH

Weather in January

January, like December, is another subzero cold winter month in Twin Mountain, New Hampshire, with average temperature varying between 8.6°F (-13°C) and 21.9°F (-5.6°C). With an average high-temperature of 21.9°F (-5.6°C) and an average low-temperature of 8.6°F (-13°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Twin Mountain, is also a subzero cold month, with average temperature varying between 10°F (-12.2°C) and 24.3°F (-4.3°C). In Twin Mountain, New Hampshire, the average high-temperature is relatively the same as in January - a still freezing cold 24.3°F (-4.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Twin Mountain, is a cold month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 32.5°F (0.3°C). In March, the average high-temperature slightly increases, from a freezing cold 24.3°F (-4.3°C) in February, to a cold 32.5°F (0.3°C). Weather in March »

Weather in April

April in Twin Mountain, New Hampshire, is a chilly spring month, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 45.3°F (7.4°C). In Twin Mountain, the average high-temperature in April rises, from a cold 32.5°F (0.3°C) in March, to a frosty 45.3°F (7.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Twin Mountain, New Hampshire, with average temperature fluctuating between 41.2°F (5.1°C) and 61.2°F (16.2°C). In May, the average high-temperature increases considerably, from a frosty 45.3°F (7.4°C) in April, to a comfortable 61.2°F (16.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Twin Mountain, New Hampshire, with average temperature fluctuating between 48.2°F (9°C) and 68°F (20°C). In June, the average high-temperature slightly increases, from a comfortable 61.2°F (16.2°C) in May, to an agreeable 68°F (20°C). Weather in June »

Weather in July

July is a warm summer month in Twin Mountain, New Hampshire, with average temperature fluctuating between 74.1°F (23.4°C) and 54.1°F (12.3°C). The warmest month is July, with an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 54.1°F (12.3°C). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Twin Mountain, New Hampshire, with average temperature ranging between min 52.3°F (11.3°C) and max 72.9°F (22.7°C). In August, the average high-temperature is almost the same as in July - an agreeable 72.9°F (22.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an enjoyable month in Twin Mountain, New Hampshire, with average temperature ranging between min 46°F (7.8°C) and max 65.8°F (18.8°C). In Twin Mountain, the average high-temperature in September marginally drops, from an agreeable 72.9°F (22.7°C) in August, to a comfortable 65.8°F (18.8°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Twin Mountain, New Hampshire, with average temperature fluctuating between 37.4°F (3°C) and 51.6°F (10.9°C). In Twin Mountain, New Hampshire, the average high-temperature in October decreases, from an enjoyable 65.8°F (18.8°C) in September, to a fresh 51.6°F (10.9°C). Weather in October »

Weather in November

November, the last month of the autumn, in Twin Mountain, is another cold month, with average temperature ranging between max 38.3°F (3.5°C) and min 26.8°F (-2.9°C). In Twin Mountain, the average high-temperature in November decreases, from a cool 51.6°F (10.9°C) in October, to a cold 38.3°F (3.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Twin Mountain, New Hampshire, with average temperature ranging between max 27.1°F (-2.7°C) and min 17.1°F (-8.3°C). In December, the average high-temperature drops, from a wintry 38.3°F (3.5°C) in November, to a subzero cold 27.1°F (-2.7°C). Weather in December »
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FAQ

What is the coldest month in Twin Mountain?

With an average high-temperature of 21.9°F (-5.6°C) and an average low-temperature of 8.6°F (-13°C), January is the coldest month in Twin Mountain, New Hampshire.

How many days does it rain in Twin Mountain?

Throughout the year, in Twin Mountain, New Hampshire, there are 152.5 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

When does it snow in Twin Mountain?

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

How many days does it snow in Twin Mountain?

In Twin Mountain, New Hampshire, during the entire year, snow falls for 120.8 days, and aggregates up to 97.17" (2468mm) of snow.

What are the months with the lowest UV index in Twin Mountain?

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

What is the most humid month in Twin Mountain?

The most humid month is February, with an average relative humidity of 90%.

When does it snow the most in Twin Mountain?

The month with the most snowfall is February when snow falls for 21.9 days and typically aggregates up to 17.44" (443mm) of snow.

What is the month with the least sunshine in Twin Mountain?

With an average of 2.7h of sunshine, February has the least sunshine of the year.

What is the least humid month in Twin Mountain?

With an average relative humidity of 77%, May is the least humid month.

When it does not snow in Twin Mountain?

In Twin Mountain snow does not fall in June through September.

When are the longest days in Twin Mountain?

The month with the longest days is June, with an average of 15.5h of daylight.

What are the months with the highest UV index in Twin Mountain?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the warmest month in Twin Mountain?

With an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 54.1°F (12.3°C), July is the warmest month in Twin Mountain.

What are the months with the most sunshine in Twin Mountain?

Months with the most sunshine in Twin Mountain are July and August, with an average of 9.3h of sunshine.

What is the driest month in Twin Mountain?

September is the month with the least rainfall in Twin Mountain, New Hampshire. Rain falls for 13.2 days and accumulates 2.24" (57mm) of precipitation.

What is the rainiest month in Twin Mountain?

October is the month with the most rainfall in Twin Mountain, New Hampshire. Rain falls for 14.9 days and accumulates 3.62" (92mm) of precipitation.

What is the month with the shortest days in Twin Mountain?

The month with the shortest days in Twin Mountain, New Hampshire, is December, with an average of 8.9h of daylight.

Average temperature
Twin Mountain, NH

Average temperature - Twin Mountain, NH

The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (21.9°F).

The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

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Average pressure
Twin Mountain, NH

Average pressure - Twin Mountain, NH

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
Twin Mountain, NH

Average wind speed - Twin Mountain, NH

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average rainfall
Twin Mountain, NH

Average rainfall - Twin Mountain, NH

The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days
Twin Mountain, NH

Average rainfall days - Twin Mountain, NH

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (5.2 days).

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Average snowfall
Twin Mountain, NH

Average snowfall - Twin Mountain, NH

The month with the highest snowfall is February (17.44").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Twin Mountain, NH

Average snowfall days - Twin Mountain, NH

The month with the highest number of snowfall days is January (22.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Twin Mountain, NH

Average daylight / Average sunshine - Twin Mountain, NH

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

Months with the most sunshine are July and August (Average sunshine: 9.3h).
The month with the least sunshine is February (Average sunshine: 2.7h).

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Average sunshine days
Twin Mountain, NH

Average sunshine days - Twin Mountain, NH

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (5.8 days).

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Average visibility
Twin Mountain, NH

Average visibility - Twin Mountain, NH

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

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