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

Monthly weather forecast and climate
Jefferson, NH

January, the same as December, in Jefferson, New Hampshire, is another subzero cold winter month, with temperature in the range of an average high of 22.5°F (-5.3°C) and an average low of 9.1°F (-12.7°C). With an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 9.1°F (-12.7°C), January is the coldest month. Weather in January »

The last month of the winter, February, is another freezing cold month in Jefferson, New Hampshire, with temperature in the range of an average low of 10.4°F (-12°C) and an average high of 25°F (-3.9°C). In February, the average high-temperature is almost the same as in January - a still subzero cold 25°F (-3.9°C). Weather in February »

March, the first month of the spring, in Jefferson, is a cold month, with average temperature varying between 18.3°F (-7.6°C) and 33.1°F (0.6°C). In March, the average high-temperature marginally rises, from a freezing cold 25°F (-3.9°C) in February, to a cold 33.1°F (0.6°C). Weather in March »

April in Jefferson, New Hampshire, is a frosty spring month, with average temperature fluctuating between 46°F (7.8°C) and 29.7°F (-1.3°C). In Jefferson, New Hampshire, the average high-temperature in April increases, from a cold 33.1°F (0.6°C) in March, to a frosty 46°F (7.8°C). Weather in April »

May, the last month of the spring, in Jefferson, is a comfortable month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 41.4°F (5.2°C). In Jefferson, the average high-temperature increases considerably, from a frosty 46°F (7.8°C) in April, to an enjoyable 61.7°F (16.5°C). Weather in May »

The first month of the summer, June, is an agreeable month in Jefferson, New Hampshire, with average temperature ranging between max 68.5°F (20.3°C) and min 48.2°F (9°C). In June, the average high-temperature marginally rises, from an enjoyable 61.7°F (16.5°C) in May, to a pleasant 68.5°F (20.3°C). Weather in June »

July in Jefferson, New Hampshire, is a moderately hot summer month, with average temperature ranging between min 53.8°F (12.1°C) and max 74.8°F (23.8°C). With an average high-temperature of 74.8°F (23.8°C) and an average low-temperature of 53.8°F (12.1°C), July is the warmest month. Weather in July »

The last month of the summer, August, is another warm month in Jefferson, New Hampshire, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 73.4°F (23°C). In Jefferson, New Hampshire, the average high-temperature is almost the same as in July - a still warm 73.4°F (23°C). Weather in August »

The first month of the autumn, September, is still a comfortable month in Jefferson, New Hampshire, with average temperature varying between 46.2°F (7.9°C) and 65.8°F (18.8°C). In Jefferson, the average high-temperature slightly decreases, from a moderately hot 73.4°F (23°C) in August, to a comfortable 65.8°F (18.8°C). Weather in September »

October, the same as September, is a cool autumn month in Jefferson, New Hampshire, with average temperature fluctuating between 38.1°F (3.4°C) and 52.2°F (11.2°C). In October, the average high-temperature drops, from an enjoyable 65.8°F (18.8°C) in September, to a fresh 52.2°F (11.2°C). Weather in October »

November, the last month of the autumn, in Jefferson, is also a wintry month, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 27.3°F (-2.6°C). In Jefferson, New Hampshire, the average high-temperature in November drops, from a cool 52.2°F (11.2°C) in October, to a cold 38.8°F (3.8°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Jefferson, New Hampshire, with average temperature ranging between max 28°F (-2.2°C) and min 17.6°F (-8°C). In Jefferson, the average high-temperature in December drops, from a cold 38.8°F (3.8°C) in November, to a freezing cold 28°F (-2.2°C). Weather in December »

What is the coldest month in Jefferson?

With an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 9.1°F (-12.7°C), January is the coldest month in Jefferson, New Hampshire.

What are the most humid months in Jefferson?

Months with the highest humidity in Jefferson, New Hampshire, are January and February, with an average relative humidity of 89%.

How much does it rain in Jefferson?

Throughout the year, in Jefferson, New Hampshire, there are 159.6 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

When does it snow in Jefferson?

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

How much does it snow in Jefferson?

Throughout the year, there are 109.1 snowfall days, and 71.5" (1816mm) of snow is accumulated.

When is the lowest UV index in Jefferson?

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

When does it snow the most in Jefferson?

February is the month with the most snowfall. Snow falls for 20.7 days and accumulates 14.88" (378mm) of snow.

What is the month with the least sunshine in Jefferson?

The month with the least sunshine in Jefferson, New Hampshire, is February, with an average of 2.7h of sunshine.

What is the wettest month in Jefferson?

The month with the most rainfall in Jefferson, New Hampshire, is April when the rain falls for 15.2 days and typically aggregates up to 3.31" (84mm) of precipitation.

What is the least humid month in Jefferson?

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

When it does not snow in Jefferson?

June through September are months without snowfall in Jefferson.

When are the longest days in Jefferson?

June has the longest days of the year in Jefferson, New Hampshire, with an average of 15.5h of daylight.

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

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

What is the warmest month in Jefferson?

With an average high-temperature of 74.8°F (23.8°C) and an average low-temperature of 53.8°F (12.1°C), July is the warmest month.

What month has the most sunshine in Jefferson?

With an average of 9.5h of sunshine, August has the most sunshine of the year.

What is the driest month in Jefferson?

The month with the least rainfall in Jefferson is September when the rain falls for 13.4 days and typically collects 2.17" (55mm) of precipitation.

What is the month with the shortest days in Jefferson?

The month with the shortest days is December, with an average of 8.9h of daylight.
Average humidity - Jefferson, NH
Average rainfall - Jefferson, NH

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days - Jefferson, NH

The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is January (5.7 days).

Average snowfall - Jefferson, NH
Average snowfall days - Jefferson, NH

The month with the highest number of snowfall days is January (21.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Jefferson, 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).

The month with the most sunshine is August (Average sunshine: 9.5h).
The month with the least sunshine is February (Average sunshine: 2.7h).