Plymouth
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Plymouth, NH

January, the same as December, in Plymouth, New Hampshire, is a freezing cold winter month, with average temperature varying between 11.3°F (-11.5°C) and 23.9°F (-4.5°C). With an average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 11.3°F (-11.5°C), January is the coldest month. Weather in January »

The last month of the winter, February, is also a subzero cold month in Plymouth, New Hampshire, with average temperature fluctuating between 27°F (-2.8°C) and 13.1°F (-10.5°C). In Plymouth, New Hampshire, the average high-temperature is almost the same as in January - a still subzero cold 27°F (-2.8°C). Weather in February »

The first month of the spring, March, is a wintry month in Plymouth, New Hampshire, with average temperature varying between 35.2°F (1.8°C) and 21.2°F (-6°C). In March, the average high-temperature slightly increases, from a subzero cold 27°F (-2.8°C) in February, to a cold 35.2°F (1.8°C). Weather in March »

April is a chilly spring month in Plymouth, New Hampshire, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 32.5°F (0.3°C). In Plymouth, New Hampshire, the average high-temperature rises, from a wintry 35.2°F (1.8°C) in March, to a chilly 49.1°F (9.5°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Plymouth, New Hampshire, with average temperature varying between 63.3°F (17.4°C) and 43.2°F (6.2°C). In May, the average high-temperature rises, from a frosty 49.1°F (9.5°C) in April, to an enjoyable 63.3°F (17.4°C). Weather in May »

The first month of the summer, June, is a pleasant month in Plymouth, New Hampshire, with average temperature fluctuating between 50.5°F (10.3°C) and 70.5°F (21.4°C). In June, the average high-temperature slightly increases, from a comfortable 63.3°F (17.4°C) in May, to an agreeable 70.5°F (21.4°C). Weather in June »

July is a warm summer month in Plymouth, New Hampshire, with temperature in the range of an average high of 77°F (25°C) and an average low of 56.5°F (13.6°C). The warmest month is July, with an average high-temperature of 77°F (25°C) and an average low-temperature of 56.5°F (13.6°C). Weather in July »

The last month of the summer, August, is another warm month in Plymouth, New Hampshire, with average temperature ranging between max 75°F (23.9°C) and min 55°F (12.8°C). In Plymouth, the average high-temperature is almost the same as in July - a still warm 75°F (23.9°C). Weather in August »

September, the first month of the autumn, in Plymouth, is still a pleasant month, with average temperature ranging between min 48.6°F (9.2°C) and max 68.2°F (20.1°C). In Plymouth, New Hampshire, the average high-temperature slightly decreases, from a warm 75°F (23.9°C) in August, to a pleasant 68.2°F (20.1°C). Weather in September »

October, like September, in Plymouth, New Hampshire, is a cool autumn month, with temperature in the range of an average high of 53.4°F (11.9°C) and an average low of 39.2°F (4°C). In October, the average high-temperature plummets, from a pleasant 68.2°F (20.1°C) in September, to a fresh 53.4°F (11.9°C). Weather in October »

The last month of the autumn, November, is also a wintry month in Plymouth, New Hampshire, with average temperature fluctuating between 40.6°F (4.8°C) and 28.4°F (-2°C). In November, the average high-temperature decreases, from a fresh 53.4°F (11.9°C) in October, to a wintry 40.6°F (4.8°C). Weather in November »

December, the first month of the winter, in Plymouth, is still a freezing cold month, with average temperature varying between 29.1°F (-1.6°C) and 19.8°F (-6.8°C). In Plymouth, the average high-temperature in December drops, from a cold 40.6°F (4.8°C) in November, to a subzero cold 29.1°F (-1.6°C). Weather in December »

What is the coldest month in Plymouth?

The coldest month is January, with an average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 11.3°F (-11.5°C).

What are the most humid months in Plymouth?

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

How many days does it rain in Plymouth?

Throughout the year, there are 136.5 rainfall days, and 13.54" (344mm) of precipitation is accumulated.

What is the driest month in Plymouth?

January is the month with the least rainfall in Plymouth. Rain falls for 9.5 days and accumulates 0.79" (20mm) of precipitation.

When does it snow in Plymouth?

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

How much does it snow in Plymouth?

In Plymouth, New Hampshire, during the entire year, snow falls for 77.2 days, and aggregates up to 22.52" (572mm) of snow.

When does it snow the most in Plymouth?

February is the month with the most snowfall in Plymouth. Snow falls for 14.9 days and accumulates 4.45" (113mm) of snow.

What is the month with the least sunshine in Plymouth?

With an average of 3.9h of sunshine, February has the least sunshine of the year.

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

With an average maximum UV index of 1, February is the month with the lowest UV index in Plymouth.

What is the least humid month in Plymouth?

With an average relative humidity of 76%, May is the least humid month in Plymouth.

When is the highest UV index in Plymouth?

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

When it does not snow in Plymouth?

In Plymouth, New Hampshire, snow does not fall in June through September.

When are the longest days in Plymouth?

June has the longest days of the year in Plymouth, with an average of 15.4h of daylight.

What is the warmest month in Plymouth?

The warmest month is July, with an average high-temperature of 77°F (25°C) and an average low-temperature of 56.5°F (13.6°C).

What month has the most sunshine in Plymouth?

The month with the most sunshine is August, with an average of 10h of sunshine.

What is the wettest month in Plymouth?

October is the month with the most rainfall. Rain falls for 12.2 days and accumulates 1.5" (38mm) of precipitation.

What is the month with the shortest days in Plymouth?

With an average of 9h of daylight, December has the shortest days of the year.
Average humidity - Plymouth, NH
Average rainfall - Plymouth, NH
Average rainfall days - Plymouth, NH

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (8.2 days).

Average snowfall - Plymouth, NH
Average snowfall days - Plymouth, NH

The month with the highest number of snowfall days is January (15.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Plymouth, NH

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 3.9h).