Monthly weather forecast and climate
South Effingham, NH

January, like December, is another subzero cold winter month in South Effingham, New Hampshire, with average temperature fluctuating between 13.8°F (-10.1°C) and 27.7°F (-2.4°C). The coldest month is January, with an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 13.8°F (-10.1°C). Weather in January »

February, the last month of the winter, in South Effingham, is also a subzero cold month, with average temperature fluctuating between 30°F (-1.1°C) and 14.9°F (-9.5°C). In February, the average high-temperature is practically the same as in January - a still freezing cold 30°F (-1.1°C). Weather in February »

The first month of the spring, March, is a wintry month in South Effingham, New Hampshire, with average temperature varying between 23°F (-5°C) and 38.1°F (3.4°C). In March, the average high-temperature slightly increases, from a subzero cold 30°F (-1.1°C) in February, to a wintry 38.1°F (3.4°C). Weather in March »

April is a cool spring month in South Effingham, New Hampshire, with average temperature varying between 51.3°F (10.7°C) and 34°F (1.1°C). In South Effingham, New Hampshire, the average high-temperature increases, from a cold 38.1°F (3.4°C) in March, to a cool 51.3°F (10.7°C). Weather in April »

May, the last month of the spring, in South Effingham, is a comfortable month, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 63.9°F (17.7°C). In May, the average high-temperature rises, from a fresh 51.3°F (10.7°C) in April, to a comfortable 63.9°F (17.7°C). Weather in May »

June, the first month of the summer, in South Effingham, is an agreeable month, with average temperature varying between 71.2°F (21.8°C) and 51.4°F (10.8°C). In South Effingham, the average high-temperature slightly increases, from an enjoyable 63.9°F (17.7°C) in May, to an agreeable 71.2°F (21.8°C). Weather in June »

July in South Effingham, New Hampshire, is a moderately hot summer month, with average temperature fluctuating between 57.9°F (14.4°C) and 78.4°F (25.8°C). July is the warmest month, with an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 57.9°F (14.4°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in South Effingham, New Hampshire, with average temperature fluctuating between 56.7°F (13.7°C) and 77.2°F (25.1°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 77.2°F (25.1°C). Weather in August »

September, the first month of the autumn, in South Effingham, is still a pleasant month, with average temperature ranging between min 50.2°F (10.1°C) and max 69.8°F (21°C). In September, the average high-temperature marginally drops, from a moderately hot 77.2°F (25.1°C) in August, to an agreeable 69.8°F (21°C). Weather in September »

October, like September, is a moderate autumn month in South Effingham, New Hampshire, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 56.5°F (13.6°C). In October, the average high-temperature drops, from an agreeable 69.8°F (21°C) in September, to a mild 56.5°F (13.6°C). Weather in October »

November, the last month of the autumn, in South Effingham, is another chilly month, with average temperature fluctuating between 30.6°F (-0.8°C) and 44.2°F (6.8°C). In November, the average high-temperature decreases, from a mild 56.5°F (13.6°C) in October, to a frosty 44.2°F (6.8°C). Weather in November »

December, the first month of the winter, in South Effingham, is also a wintry month, with average temperature ranging between max 33.1°F (0.6°C) and min 21.7°F (-5.7°C). In South Effingham, the average high-temperature in December drops, from a chilly 44.2°F (6.8°C) in November, to a wintry 33.1°F (0.6°C). Weather in December »

What is the coldest month in South Effingham?

The coldest month in South Effingham is January, with an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 13.8°F (-10.1°C).

What is the most humid month in South Effingham?

January and February, with an average relative humidity of 85%, are most humid months in South Effingham, New Hampshire.

How much does it rain in South Effingham?

Throughout the year, there are 138 rainfall days, and 30.08" (764mm) of precipitation is accumulated.

When does it snow in South Effingham?

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

How much does it snow in South Effingham?

In South Effingham, New Hampshire, during the entire year, snow falls for 48.9 days, and aggregates up to 38.15" (969mm) of snow.

When does it snow the most in South Effingham?

February is the month with the most snowfall. Snow falls for 11.5 days and accumulates 9.72" (247mm) of snow.

What is the month with the least sunshine in South Effingham?

February has the least sunshine of the year, with an average of 4.5h of sunshine.

When is the lowest UV index in South Effingham?

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

What are the least humid months in South Effingham?

Months with the lowest humidity in South Effingham are April and November, with an average relative humidity of 77%.

When it does not snow in South Effingham?

June through September are months without snowfall.

When are the longest days in South Effingham?

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

When is the highest UV index in South Effingham?

Months with the highest UV index in South Effingham are June through August, with an average maximum UV index of 5.

What is the warmest month in South Effingham?

July is the warmest month in South Effingham, with an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 57.9°F (14.4°C).

What month has the most sunshine in South Effingham?

With an average of 10h of sunshine, August has the most sunshine of the year.

What is the driest month in South Effingham?

The month with the least rainfall is September when the rain falls for 10.9 days and typically collects 1.54" (39mm) of precipitation.

What is the wettest month in South Effingham?

October is the month with the most rainfall. Rain falls for 13.2 days and accumulates 3.31" (84mm) of precipitation.

What is the month with the shortest days in South Effingham?

With an average of 9h of daylight, December has the shortest days of the year.
Average temperature - South Effingham, NH
Average pressure - South Effingham, NH

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.91").

Average wind speed - South Effingham, NH

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity - South Effingham, NH
Average rainfall - South Effingham, NH

The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days - South Effingham, NH

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).

Average snowfall - South Effingham, NH
Average snowfall days - South Effingham, NH

The month with the highest number of snowfall days is February (11.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - South Effingham, 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: 4.5h).

Average sunshine days - South Effingham, NH

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).

Average visibility - South Effingham, NH

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