January weather forecast and climate
Mountain Island, NC

Weather in January

January, the same as December, in Mountain Island, North Carolina, is another chilly winter month, with average temperature ranging between min 32.5°F (0.3°C) and max 47.8°F (8.8°C).

Temperature

The coldest month is January, with an average high-temperature of 47.8°F (8.8°C) and an average low-temperature of 32.5°F (0.3°C).

Humidity

In Mountain Island, the average relative humidity in January is 72%.

Rainfall

In Mountain Island, it is raining for 9.6 days, with typically 2.6" (66mm) of accumulated precipitation. In Mountain Island, during the entire year, the rain falls for 158.9 days and collects up to 31.26" (794mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Mountain Island, during 1.5 snowfall days, 1.61" (41mm) of snow is typically accumulated. In Mountain Island, during the entire year, snow falls for 4.6 days, and aggregates up to 5.79" (147mm) of snow.

Daylight

The average length of the day is 10.1h.

Sunshine

The average sunshine in January is 5.6h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Mountain Island. A UV Index reading of 2, and below, represents a low threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Mountain Island?

The coldest month in Mountain Island, North Carolina, is January, with an average high-temperature of 47.8°F (8.8°C) and an average low-temperature of 32.5°F (0.3°C).

What is the temperature in January in Mountain Island?

In Mountain Island, in January, the average high-temperature is 47.8°F (8.8°C), and the average low-temperature is 32.5°F (0.3°C).

What is the average humidity in January in Mountain Island?

In January, the average relative humidity is 72%.

How much does it rain in Mountain Island in January?

In Mountain Island, North Carolina, in January, it is raining for 9.6 days, with typically 2.6" (66mm) of accumulated precipitation.

How many days does it snow in January in Mountain Island?

In Mountain Island, North Carolina, in January, snow falls for 1.5 days, with typically accumulated 1.61" (41mm) of snow.

What is the average length of the day in January in Mountain Island?

In Mountain Island, North Carolina, the average length of the day in January is 10.1h.

How long on average sun shines in January in Mountain Island?

In January, the average sunshine in Mountain Island is 5.6h.

When is the lowest UV index in Mountain Island?

Months with the lowest UV index in Mountain Island are January and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Mountain Island?

In January, the average daily maximum UV index in Mountain Island, North Carolina, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in January
Mountain Island, NC

Average temperature in January - Mountain Island, NC
  • Average high temperature in January: 47.8°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in January: 32.5°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in January
Mountain Island, NC

Average pressure in January - Mountain Island, NC
  • Average pressure in January: 30.14"

The month with the highest atmospheric pressure is November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed in January
Mountain Island, NC

Average wind speed in January - Mountain Island, NC
  • Average wind speed in January: 6.5mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in January
Mountain Island, NC

Average humidity in January - Mountain Island, NC
  • Average humidity in January: 72%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in January
Mountain Island, NC

Average rainfall in January - Mountain Island, NC
  • Average rainfall in January: 2.6"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").

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Average rainfall days in January
Mountain Island, NC

Average rainfall days in January - Mountain Island, NC
  • Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in January
Mountain Island, NC

Average snowfall in January - Mountain Island, NC
  • Average snowfall in January: 1.61"

The month with the highest snowfall is December (2.01").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Mountain Island, NC

Average snowfall days in January - Mountain Island, NC
  • Average snowfall days in January: 1.5 days

The month with the highest number of snowfall days is February (1.8 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Mountain Island, NC

Average daylight in January / Average sunshine in January - Mountain Island, NC
  • Average daylight in January: 10.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in January: 5.6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in January
Mountain Island, NC

Average sunshine days in January - Mountain Island, NC
  • Average sunshine days in January: 19.1 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in January
Mountain Island, NC

Average UV index in January - Mountain Island, NC
  • Average UV index in January: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in January
Mountain Island, NC

Average cloud cover in January - Mountain Island, NC
  • Average cloud cover in January: 38

The month with the most cloud cover is December (Cloud cover 43).
Months with the least cloud cover are June and July (Cloud cover 30).

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Average visibility in January
Mountain Island, NC

Average visibility in January - Mountain Island, NC
  • Average visibility in January: 6mi

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

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