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

Monthly weather forecast and climate
Rochester, NH

January, the same as December, in Rochester, New Hampshire, is a freezing cold winter month, with average temperature fluctuating between 17.4°F (-8.1°C) and 29.7°F (-1.3°C). January is the coldest month, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.4°F (-8.1°C). Weather in January »

The last month of the winter, February, is a wintry month in Rochester, New Hampshire, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 32.5°F (0.3°C). In February, the average high-temperature is practically the same as in January - a wintry 32.5°F (0.3°C). Weather in February »

The first month of the spring, March, is also a wintry month in Rochester, New Hampshire, with average temperature varying between 39.7°F (4.3°C) and 26.1°F (-3.3°C). In Rochester, New Hampshire, the average high-temperature marginally rises, from 32.5°F (0.3°C) in February, to a still wintry 39.7°F (4.3°C). Weather in March »

April is a fresh spring month in Rochester, New Hampshire, with temperature in the range of an average high of 52°F (11.1°C) and an average low of 36.3°F (2.4°C). In Rochester, the average high-temperature rises, from a wintry 39.7°F (4.3°C) in March, to a cool 52°F (11.1°C). Weather in April »

May, the last month of the spring, in Rochester, is an enjoyable month, with average temperature varying between 63.1°F (17.3°C) and 46.2°F (7.9°C). In May, the average high-temperature increases, from a fresh 52°F (11.1°C) in April, to a comfortable 63.1°F (17.3°C). Weather in May »

June, the first month of the summer, in Rochester, is a pleasant month, with average temperature fluctuating between 70.9°F (21.6°C) and 54°F (12.2°C). In Rochester, New Hampshire, the average high-temperature in June marginally rises, from a comfortable 63.1°F (17.3°C) in May, to a pleasant 70.9°F (21.6°C). Weather in June »

July in Rochester, New Hampshire, is a moderately hot summer month, with average temperature ranging between max 78.3°F (25.7°C) and min 60.3°F (15.7°C). July is the warmest month, with an average high-temperature of 78.3°F (25.7°C) and an average low-temperature of 60.3°F (15.7°C). Weather in July »

August, the last month of the summer, in Rochester, is another warm month, with average temperature ranging between min 59.4°F (15.2°C) and max 77.4°F (25.2°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 77.4°F (25.2°C). Weather in August »

September, the first month of the autumn, in Rochester, is still a pleasant month, with average temperature ranging between min 52.9°F (11.6°C) and max 69.6°F (20.9°C). In September, the average high-temperature slightly decreases, from a warm 77.4°F (25.2°C) in August, to a pleasant 69.6°F (20.9°C). Weather in September »

October, the same as September, in Rochester, New Hampshire, is another mild autumn month, with average temperature fluctuating between 57.9°F (14.4°C) and 44.1°F (6.7°C). In October, the average high-temperature decreases, from a pleasant 69.6°F (20.9°C) in September, to a mild 57.9°F (14.4°C). Weather in October »

The last month of the autumn, November, is another chilly month in Rochester, New Hampshire, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 46°F (7.8°C). In November, the average high-temperature decreases, from a moderate 57.9°F (14.4°C) in October, to a chilly 46°F (7.8°C). Weather in November »

The first month of the winter, December, is still a cold month in Rochester, New Hampshire, with average temperature fluctuating between 24.6°F (-4.1°C) and 35.6°F (2°C). In Rochester, the average high-temperature decreases, from a frosty 46°F (7.8°C) in November, to a cold 35.6°F (2°C). Weather in December »

What is the coldest month in Rochester?

The coldest month is January, with an average high-temperature of 29.7°F (-1.3°C) and an average low-temperature of 17.4°F (-8.1°C).

What are the most humid months in Rochester?

Months with the highest humidity in Rochester are January and February, with an average relative humidity of 82%.

How many days does it rain in Rochester?

In Rochester, during the entire year, the rain falls for 143.1 days and collects up to 29.06" (738mm) of precipitation.

When does it snow in Rochester?

January through May, October through December are months with snowfall in Rochester, New Hampshire.

How much does it snow in Rochester?

In Rochester, New Hampshire, during the entire year, snow falls for 40 days, and aggregates up to 27.8" (706mm) of snow.

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

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

What is the month with the least sunshine in Rochester?

The month with the least sunshine in Rochester, New Hampshire, is February, with an average of 4.7h of sunshine.

What is the least humid month in Rochester?

With an average relative humidity of 75%, April is the least humid month.

When it does not snow in Rochester?

In Rochester snow does not fall in June through September.

When are the longest days in Rochester?

The month with the longest days in Rochester is June, with an average of 15.4h of daylight.

What is the warmest month in Rochester?

July is the warmest month in Rochester, New Hampshire, with an average high-temperature of 78.3°F (25.7°C) and an average low-temperature of 60.3°F (15.7°C).

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

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

What month has the most sunshine in Rochester?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

What is the driest month in Rochester?

September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.5" (38mm) of precipitation.

What is the wettest month in Rochester?

The wettest months are October and December, with an average 3.11" (79mm) of rainfall.

When does it snow the most in Rochester?

The month with the most snowfall in Rochester, New Hampshire, is December when snow falls for 7.2 days and typically aggregates up to 6.69" (170mm) of snow.

What is the month with the shortest days in Rochester?

The month with the shortest days in Rochester, New Hampshire, is December, with an average of 9h of daylight.
Average humidity - Rochester, NH
Average rainfall - Rochester, NH

The wettest months (with the highest rainfall) are October and December (79mm).
The driest month (with the least rainfall) is September (38mm).

Average rainfall days - Rochester, NH

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (6.8 days).

Average snowfall - Rochester, NH
Average snowfall days - Rochester, NH

The month with the highest number of snowfall days is January (10.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Rochester, 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: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average UV index - Rochester, NH