Monthly weather forecast and climate
Winchester, NH

January, the same as December, in W"ter, New Hampshire, is another subzero cold winter month, with temperature in the range of an average high of 28.4°F (-2°C) and an average low of 16.2°F (-8.8°C). The coldest month is January, with an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 16.2°F (-8.8°C). Weather in January »

February, the last month of the winter, in W"ter, is also a subzero cold month, with average temperature varying between 31.8°F (-0.1°C) and 17.1°F (-8.3°C). In February, the average high-temperature is practically the same as in January - a still freezing cold 31.8°F (-0.1°C). Weather in February »

March, the first month of the spring, in W"ter, is a cold month, with average temperature varying between 40.1°F (4.5°C) and 25°F (-3.9°C). In W"ter, the average high-temperature marginally rises, from a freezing cold 31.8°F (-0.1°C) in February, to a wintry 40.1°F (4.5°C). Weather in March »

April is a cool spring month in W"ter, New Hampshire, with average temperature ranging between max 53.4°F (11.9°C) and min 35.4°F (1.9°C). In April, the average high-temperature increases, from a cold 40.1°F (4.5°C) in March, to a cool 53.4°F (11.9°C). Weather in April »

The last month of the spring, May, is an enjoyable month in W"ter, New Hampshire, with average temperature fluctuating between 46°F (7.8°C) and 66.9°F (19.4°C). In May, the average high-temperature increases, from a fresh 53.4°F (11.9°C) in April, to an enjoyable 66.9°F (19.4°C). Weather in May »

June, the first month of the summer, in W"ter, is a moderately hot month, with average temperature ranging between min 52.9°F (11.6°C) and max 73.9°F (23.3°C). In June, the average high-temperature marginally rises, from an enjoyable 66.9°F (19.4°C) in May, to a moderately hot 73.9°F (23.3°C). Weather in June »

July, like June, in W"ter, New Hampshire, is a moderately hot summer month, with average temperature ranging between max 80.2°F (26.8°C) and min 59.2°F (15.1°C). July is the warmest month, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 59.2°F (15.1°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in W"ter, New Hampshire, with temperature in the range of an average low of 57.6°F (14.2°C) and an average high of 78.4°F (25.8°C). In W"ter, the average high-temperature is essentially the same as in July - a still warm 78.4°F (25.8°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in W"ter, New Hampshire, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 51.4°F (10.8°C). In September, the average high-temperature marginally drops, from a moderately hot 78.4°F (25.8°C) in August, to an agreeable 71.1°F (21.7°C). Weather in September »

October, the same as September, in W"ter, New Hampshire, is another mild autumn month, with average temperature ranging between min 42.6°F (5.9°C) and max 57.6°F (14.2°C). In October, the average high-temperature drops, from a pleasant 71.1°F (21.7°C) in September, to a mild 57.6°F (14.2°C). Weather in October »

The last month of the autumn, November, is another chilly month in W"ter, New Hampshire, with average temperature fluctuating between 45.5°F (7.5°C) and 31.8°F (-0.1°C). In W"ter, the average high-temperature decreases, from a moderate 57.6°F (14.2°C) in October, to a chilly 45.5°F (7.5°C). Weather in November »

The first month of the winter, December, is still a cold month in W"ter, New Hampshire, with average temperature varying between 34.5°F (1.4°C) and 23.9°F (-4.5°C). In December, the average high-temperature drops, from a frosty 45.5°F (7.5°C) in November, to a cold 34.5°F (1.4°C). Weather in December »

What is the coldest month in W"ter?

The coldest month in W"ter, New Hampshire, is January, with an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 16.2°F (-8.8°C).

How many days does it rain in W"ter?

Throughout the year, in W"ter, New Hampshire, there are 146.7 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

When does it snow in W"ter?

January through May, October through December are months with snowfall in W"ter, New Hampshire.

How many days does it snow in W"ter?

Throughout the year, there are 43.8 snowfall days, and 27.28" (693mm) of snow is accumulated.

What are the months with the lowest UV index in W"ter?

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

What is the most humid month in W"ter?

The most humid month in W"ter, New Hampshire, is February, with an average relative humidity of 84%.

What is the snowiest month in W"ter?

February is the month with the most snowfall in W"ter, New Hampshire. Snow falls for 10.9 days and accumulates 7.44" (189mm) of snow.

What is the month with the least sunshine in W"ter?

With an average of 4.6h of sunshine, February has the least sunshine of the year in W"ter.

What is the least humid month in W"ter?

With an average relative humidity of 73%, April is the least humid month.

What is the month with the highest UV index in W"ter?

May through August, with an average maximum UV index of 5, are months with the highest UV index in W"ter, New Hampshire.

When it does not snow in W"ter?

In W"ter snow does not fall in June through September.

When are the longest days in W"ter?

The month with the longest days in W"ter, New Hampshire, is June, with an average of 15.3h of daylight.

What is the warmest month in W"ter?

With an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 59.2°F (15.1°C), July is the warmest month in W"ter, New Hampshire.

What month has the most sunshine in W"ter?

August has the most sunshine of the year, with an average of 10.4h of sunshine.

What is the driest month in W"ter?

The month with the least rainfall in W"ter, New Hampshire, is September when the rain falls for 11.4 days and typically collects 1.81" (46mm) of precipitation.

What is the rainiest month in W"ter?

October is the month with the most rainfall. Rain falls for 14 days and accumulates 2.76" (70mm) of precipitation.

What is the month with the shortest days in W"ter?

The month with the shortest days in W"ter is December, with an average of 9.1h of daylight.
Average temperature - Winchester, NH
Average pressure - Winchester, NH

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.92").

Average wind speed - Winchester, NH

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average rainfall - Winchester, NH

The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days - Winchester, NH

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (8.1 days).

Average snowfall - Winchester, NH
Average snowfall days - Winchester, NH

The month with the highest number of snowfall days is February (10.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Winchester, 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: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days - Winchester, NH

Months with the most sunshine days are January and November (16.7 days).
The month with the least sunshine days is June (12.4 days).

Average UV index - Winchester, NH

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average visibility - Winchester, NH

Months with the highest visibility are April and November (6mi).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).