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

Monthly weather forecast and climate
Hillsboro, NH

January, like December, is a freezing cold winter month in Hillsboro, New Hampshire, with average temperature fluctuating between 27.7°F (-2.4°C) and 14.5°F (-9.7°C). With an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 14.5°F (-9.7°C), January is the coldest month. Weather in January »

The last month of the winter, February, is another freezing cold month in Hillsboro, New Hampshire, with average temperature fluctuating between 16.3°F (-8.7°C) and 30.2°F (-1°C). In Hillsboro, the average high-temperature in February is practically the same as in January - a still subzero cold 30.2°F (-1°C). Weather in February »

The first month of the spring, March, is a cold month in Hillsboro, New Hampshire, with average temperature fluctuating between 38.5°F (3.6°C) and 23.4°F (-4.8°C). In Hillsboro, the average high-temperature in March slightly increases, from a freezing cold 30.2°F (-1°C) in February, to a wintry 38.5°F (3.6°C). Weather in March »

April in Hillsboro, New Hampshire, is a fresh spring month, with average temperature fluctuating between 34.7°F (1.5°C) and 52.3°F (11.3°C). In Hillsboro, New Hampshire, the average high-temperature increases, from a wintry 38.5°F (3.6°C) in March, to a cool 52.3°F (11.3°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Hillsboro, New Hampshire, with average temperature varying between 65.5°F (18.6°C) and 45.1°F (7.3°C). In Hillsboro, the average high-temperature increases, from a fresh 52.3°F (11.3°C) in April, to a comfortable 65.5°F (18.6°C). Weather in May »

June, the first month of the summer, in Hillsboro, is an agreeable month, with average temperature ranging between max 73°F (22.8°C) and min 52.7°F (11.5°C). In June, the average high-temperature marginally rises, from a comfortable 65.5°F (18.6°C) in May, to a pleasant 73°F (22.8°C). Weather in June »

July in Hillsboro, New Hampshire, is a warm summer month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 59°F (15°C). July is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 59°F (15°C). Weather in July »

The last month of the summer, August, is another warm month in Hillsboro, New Hampshire, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 57°F (13.9°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 77.7°F (25.4°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Hillsboro, New Hampshire, with average temperature fluctuating between 70°F (21.1°C) and 50.5°F (10.3°C). In September, the average high-temperature marginally drops, from a moderately hot 77.7°F (25.4°C) in August, to a pleasant 70°F (21.1°C). Weather in September »

October, the same as September, in Hillsboro, New Hampshire, is another mild autumn month, with average temperature fluctuating between 41.5°F (5.3°C) and 56.5°F (13.6°C). In Hillsboro, the average high-temperature drops, from a pleasant 70°F (21.1°C) in September, to a mild 56.5°F (13.6°C). Weather in October »

November, the last month of the autumn, in Hillsboro, is another chilly month, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 31.1°F (-0.5°C). In Hillsboro, the average high-temperature drops, from a mild 56.5°F (13.6°C) in October, to a frosty 44.1°F (6.7°C). Weather in November »

The first month of the winter, December, is also a wintry month in Hillsboro, New Hampshire, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 32.9°F (0.5°C). In Hillsboro, the average high-temperature decreases, from a chilly 44.1°F (6.7°C) in November, to a cold 32.9°F (0.5°C). Weather in December »

What is the coldest month in Hillsboro?

January is the coldest month in Hillsboro, with an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 14.5°F (-9.7°C).

How much does it rain in Hillsboro?

Throughout the year, in Hillsboro, there are 147.7 rainfall days, and 30.91" (785mm) of precipitation is accumulated.

When does it snow in Hillsboro?

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

How many days does it snow in Hillsboro?

Throughout the year, there are 54.9 snowfall days, and 37.2" (945mm) of snow is accumulated.

What are the months with the lowest UV index in Hillsboro?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the most humid month in Hillsboro?

With an average relative humidity of 85%, February is the most humid month.

What is the snowiest month in Hillsboro?

The month with the most snowfall is February when snow falls for 12.6 days and typically aggregates up to 10.12" (257mm) of snow.

What is the month with the least sunshine in Hillsboro?

February has the least sunshine of the year in Hillsboro, New Hampshire, with an average of 4.1h of sunshine.

What is the least humid month in Hillsboro?

April is the least humid month in Hillsboro, with an average relative humidity of 74%.

When it does not snow in Hillsboro?

In Hillsboro snow does not fall in June through September.

When are the longest days in Hillsboro?

With an average of 15.3h of daylight, June has the longest days of the year.

What is the warmest month in Hillsboro?

July is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 59°F (15°C).

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

Months with the highest UV index in Hillsboro are July and August, with an average maximum UV index of 6.

What month has the most sunshine in Hillsboro?

The month with the most sunshine is August, with an average of 10.1h of sunshine.

What is the driest month in Hillsboro?

The month with the least rainfall in Hillsboro, New Hampshire, is September when the rain falls for 12 days and typically collects 2.17" (55mm) of precipitation.

What is the rainiest month in Hillsboro?

October is the month with the most rainfall in Hillsboro, New Hampshire. Rain falls for 13.5 days and accumulates 3.46" (88mm) of precipitation.

What is the month with the shortest days in Hillsboro?

With an average of 9.1h of daylight, December has the shortest days of the year in Hillsboro.
Average rainfall - Hillsboro, NH

The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days - Hillsboro, NH

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall - Hillsboro, NH
Average snowfall days - Hillsboro, NH

The month with the highest number of snowfall days is February (12.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Hillsboro, NH

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.1h).

Average UV index - Hillsboro, NH

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).