January weather forecast and climate
Gretna Green, NC

Weather in January

January, the same as December, in Gretna Green, North Carolina, is another chilly winter month, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 46.8°F (8.2°C).

Temperature

The coldest month is January, with an average high-temperature of 46.8°F (8.2°C) and an average low-temperature of 31.8°F (-0.1°C).

Humidity

January, April, July and November, with an average relative humidity of 74%, are the least humid months in Gretna Green.

Rainfall

In Gretna Green, during January, the rain falls for 10.3 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Gretna Green, during the entire year, the rain falls for 156.2 days and collects up to 27.6" (701mm) of precipitation.

Snowfall

Months with snowfall in Gretna Green are January through March, November and December. In Gretna Green, during 1.9 snowfall days, 0.83" (21mm) of snow is typically accumulated. Throughout the year, there are 6.4 snowfall days, and 3.23" (82mm) of snow is accumulated.

Daylight

The average length of the day in January is 10h.

Sunshine

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Gretna Green?

With an average high-temperature of 46.8°F (8.2°C) and an average low-temperature of 31.8°F (-0.1°C), January is the coldest month in Gretna Green, North Carolina.

What is the temperature in January in Gretna Green?

In Gretna Green, North Carolina, in January, the average high-temperature is 46.8°F (8.2°C), and the average low-temperature is 31.8°F (-0.1°C).

What is the least humid month in Gretna Green?

Months with the lowest humidity in Gretna Green are January, April, July and November, with an average relative humidity of 74%.

What is the average humidity in January in Gretna Green?

The average relative humidity in January is 74%.

How much does it rain in Gretna Green in January?

In Gretna Green, North Carolina, in January, it is raining for 10.3 days, with typically 2.09" (53mm) of accumulated precipitation.

How much does it snow in Gretna Green in January?

In Gretna Green, North Carolina, in January, during 1.9 snowfall days, 0.83" (21mm) of snow is typically accumulated.

What is the average length of the day in January in Gretna Green?

In Gretna Green, the average length of the day in January is 10h.

What is the month with the least sunshine in Gretna Green?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

How many hours of sunshine does Gretna Green have in January?

The average sunshine in January in Gretna Green, North Carolina, is 5.5h.

When is the lowest UV index in Gretna Green?

January is the month with the lowest UV index in Gretna Green, with an average maximum UV index of 2.

How high is the UV index in January in Gretna Green?

In Gretna Green, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays.

Average temperature in January
Gretna Green, NC

Average temperature in January - Gretna Green, NC
  • Average high temperature in January: 46.8°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in January: 31.8°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

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Average pressure in January
Gretna Green, NC

Average pressure in January - Gretna Green, NC
  • Average pressure in January: 30.13"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in January
Gretna Green, NC

Average wind speed in January - Gretna Green, NC
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Gretna Green, NC

Average humidity in January - Gretna Green, NC
  • Average humidity in January: 74%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are January, April, July and November (74%).

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Average rainfall in January
Gretna Green, NC

Average rainfall in January - Gretna Green, NC
  • Average rainfall in January: 2.09"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is October (1.85").

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Average rainfall days in January
Gretna Green, NC

Average rainfall days in January - Gretna Green, NC
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall in January
Gretna Green, NC

Average snowfall in January - Gretna Green, NC
  • Average snowfall in January: 0.83"

The month with the highest snowfall is February (1.3").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Gretna Green, NC

Average snowfall days in January - Gretna Green, NC
  • Average snowfall days in January: 1.9 days

The month with the highest number of snowfall days is February (2.6 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Gretna Green, NC

Average daylight in January / Average sunshine in January - Gretna Green, NC
  • Average daylight in January: 10h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in January: 5.5h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
Months with the least sunshine are January and December (Average sunshine: 5.5).

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Average sunshine days in January
Gretna Green, NC

Average sunshine days in January - Gretna Green, NC
  • Average sunshine days in January: 18.2 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in January
Gretna Green, NC

Average UV index in January - Gretna Green, NC
  • Average UV index in January: 2

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

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Average cloud cover in January
Gretna Green, NC

Average cloud cover in January - Gretna Green, NC
  • Average cloud cover in January: 40

The month with the most cloud cover is March (Cloud cover 44).
Months with the least cloud cover are June and July (Cloud cover 31).

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Average visibility in January
Gretna Green, NC

Average visibility in January - Gretna Green, 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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