January 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).

Temperature

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).

Humidity

Months with the highest humidity are January and February, with an average relative humidity of 85%.

Rainfall

In South Effingham, New Hampshire, during January, the rain falls for 6.4 days and regularly aggregates up to 2.2" (56mm) of 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 in South Effingham are January through May, October through December. In South Effingham, during 10.6 snowfall days, 7.52" (191mm) of snow is typically accumulated. Throughout the year, there are 48.9 snowfall days, and 38.15" (969mm) of snow is accumulated.

Daylight

The average length of the day in South Effingham, New Hampshire, is 9.4h.

Sunshine

The average sunshine is 4.9h.

UV index

The average daily maximum UV index in South Effingham is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

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 temperature in January in South Effingham?

In South Effingham, New Hampshire, in January, the average high-temperature is 27.7°F (-2.4°C), and the average low-temperature is 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.

What is the average humidity in January in South Effingham?

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

How much does it rain in South Effingham in January?

In South Effingham, New Hampshire, in January, it is raining for 6.4 days, with typically 2.2" (56mm) of accumulated precipitation.

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

In South Effingham, New Hampshire, during January, snow falls for 10.6 days and regularly aggregates up to 7.52" (191mm) of snow.

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

The average length of the day in January in South Effingham is 9.4h.

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

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

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

In South Effingham, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in January - South Effingham, NH
  • Average high temperature in January: -2.4°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in January: -10.1°C

The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-10.1°C).

Average pressure in January - South Effingham, NH
  • Average pressure in January: 1015.7mbar

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

Average wind speed in January - South Effingham, NH
  • Average wind speed in January: 12.2km/h

The windiest month (with the highest average wind speed) is January (12.2km/h).
The calmest months (with the lowest average wind speed) are July and August (7.8km/h).

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

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

Average rainfall in January - South Effingham, NH
  • Average rainfall in January: 56mm

The wettest month (with the highest rainfall) is October (84mm).
The driest month (with the least rainfall) is September (39mm).

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).

Average snowfall in January - South Effingham, NH
  • Average snowfall in January: 191mm

The month with the highest snowfall is February (247mm).
Months with the least snowfall are June, July, August and September (0mm).

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).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - South Effingham, NH
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in January: 4.9h

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 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).

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

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).

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).

Average visibility in January - South Effingham, NH
  • Average visibility in January: 8km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).