January weather forecast
South Effingham, NH

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Weather in January

January, the same as December, in South Effingham, New Hampshire, is another subzero cold winter month, with an average temperature varying between 13.8°F (-10.1°C) and 27.7°F (-2.4°C).

Temperature

South Effingham's January weather reaches an average high of 27.7°F (-2.4°C) and an average low of 13.8°F (-10.1°C), making it the coldest month.

Humidity

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

Rainfall

In South Effingham, in January, it is raining for 6.4 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, in South Effingham, New Hampshire, there are 138 rainfall days, and 30.08" (764mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In South Effingham, during January, snow falls for 10.6 days and regularly aggregates up to 7.52" (191mm) of snow. Throughout the year, in South Effingham, there are 48.9 snowfall days, and 38.15" (969mm) of snow is accumulated.

Daylight

In South Effingham, the average length of the day in January is 9h and 22min.
On the first day of the month, sunrise is at 7:17 am and sunset at 4:17 pm. On the last day of January, in South Effingham, sunrise is at 7:01 am and sunset at 4:52 pm EST.

Sunshine

In South Effingham, the average sunshine in January is 4.9h.

UV index

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What time of the year is the coldest in South Effingham?

With average high and low temperatures of 27.7°F (-2.4°C) and 13.8°F (-10.1°C) respectively, January is South Effingham's coldest month.

How cold is it in South Effingham in January?

In January, the average high-temperature and low-temperature in South Effingham are 27.7°F (-2.4°C) and 13.8°F (-10.1°C) respectively.

What are the most humid months in South Effingham?

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

What is the average humidity in January in South Effingham?

The average relative humidity in January in South Effingham, New Hampshire, is 85%.

How many days does it rain in January in South Effingham?

In January, in South Effingham, the rain falls for 6.4 days. Throughout January, 2.2" (56mm) of precipitation is accumulated.

How much does it snow in South Effingham in January?

In South Effingham, in January, during 10.6 snowfall days, 7.52" (191mm) of snow is typically accumulated.

What is the average length of the day in January in South Effingham?

The average day length in January in South Effingham, New Hampshire, is 9h and 22min.

When are sunrise and sunset in January in South Effingham?

On the first day of January in South Effingham, sunrise is at 7:17 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:52 pm EST.

How many hours of sunshine does South Effingham have in January?

In January, the average sunshine duration is 4.9h.

What is the UV index reading in January in South Effingham?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Effingham, NH

Average temperature in January - South Effingham, NH
  • Average high temperature in January: 27.7°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in January: 13.8°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

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Average pressure in January
South Effingham, NH

Average pressure in January - South Effingham, NH
  • Average pressure in January: 29.99"Hg

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

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Average wind speed in January
South Effingham, NH

Average wind speed in January - South Effingham, NH
  • Average wind speed in January: 7.6mph

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).

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Average humidity in January
South Effingham, NH

Average humidity in January - South Effingham, NH
  • Average humidity in January: 85%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (77%).

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Average rainfall in January
South Effingham, NH

Average rainfall in January - South Effingham, NH
  • Average rainfall in January: 2.2"

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

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Average rainfall days in January
South Effingham, NH

Average rainfall days in January - South Effingham, NH
  • Average rainfall days in January: 6.4 days

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).

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Average snowfall in January
South Effingham, NH

Average snowfall in January - South Effingham, NH
  • Average snowfall in January: 7.52"

The month with the highest snowfall is February (9.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
South Effingham, NH

Average snowfall days in January - South Effingham, NH
  • Average snowfall days in January: 10.6 days

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

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Average daylight in January /
Average sunshine in January
South Effingham, NH

Average daylight in January / Average sunshine in January - South Effingham, NH
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in January
South Effingham, NH

Average sunshine days in January - South Effingham, NH
  • Average sunshine days in January: 16.9 days

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

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Average UV index in January
South Effingham, NH

Average UV index in January - South Effingham, NH
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in January
South Effingham, NH

Average cloud cover in January - South Effingham, NH
  • Average cloud cover in January: 47

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in January
South Effingham, NH

Average visibility in January - South Effingham, NH
  • Average visibility in January: 5mi

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

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South Effingham, New Hampshire, USA

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