Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Gretna Green records the coldest temperatures in January, averaging a high of 46.8°F (8.2°C) and a low 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.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
January through March, November and December are months with snowfall. In Gretna Green, in January, snow falls for 1.9 days, with typically accumulated 0.83" (21mm) of snow. In Gretna Green, during the entire year, snow falls for 6.4 days and aggregates up to 3.23" (82mm) of snow.Daylight
In Gretna Green, the average length of the day in January is 10h and 1min.On the first day of the month, sunrise is at 7:22 am and sunset at 5:06 pm. On the last day of January, in Gretna Green, sunrise is at 7:13 am and sunset at 5:36 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
With an average maximum UV index of 2, January is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What are the temperatures in Gretna Green in January?
What is the least humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Gretna Green have in January?
What time are sunrise and sunset in January in Gretna Green?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
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).
Average pressure in January
Gretna Green, NC
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
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).
Average humidity in January
Gretna Green, NC
- Average humidity in January: 74%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, April, July and November (74%).
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").
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).
Average snowfall in January
Gretna Green, NC
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Gretna Green, NC
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
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).
Average UV index in January
Gretna Green, NC
- Average UV index in January: 2
The 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).
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).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in January
Gretna Green, NC
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Gretna Green, North Carolina, USA
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