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
With its high average temperature of 52.7°F (11.5°C) and a low of 36.7°F (2.6°C), January is regarded as the coldest month.Humidity
The months with the lowest humidity are January through April, with an average relative humidity of 74%.Rainfall
January is the month with the least rainfall in Saint Helena. Rain falls for 10.4 days and accumulates 1.54" (39mm) of precipitation.Snowfall
January through March and December are months with snowfall in Saint Helena. In Saint Helena, during January, snow falls for 1 days and regularly aggregates up to 0.71" (18mm) of snow. In Saint Helena, during the entire year, snow falls for 2.3 days and aggregates up to 1.65" (42mm) of snow.Daylight
In January, the average length of the day is 10h and 10min.On the first day of January, sunrise is at 7:18 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:39 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Saint Helena, North Carolina.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Saint Helena. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Be vigilant - Preventing sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What part of the year is the coldest in Saint Helena?
What are the temperatures in Saint Helena in January?
What is the least humid month in Saint Helena?
What is the average humidity in January in Saint Helena?
What is the driest month in Saint Helena?
How many days does it rain in January in Saint Helena?
How much does it snow in Saint Helena in January?
How many hours of daylight does Saint Helena have in January?
When are sunrise and sunset in January in Saint Helena?
What are the months with the least sunshine in Saint Helena?
How many hours of sunshine does Saint Helena have in January?
What are the months with the lowest UV index in Saint Helena?
What is the UV index intensity in January in Saint Helena?
Average temperature in January
Saint Helena, NC
- Average high temperature in January: 52.7°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (52.7°F).
- Average low temperature in January: 36.7°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).
Average pressure in January
Saint Helena, NC
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January, November and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Saint Helena, NC
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Saint Helena, NC
- Average humidity in January: 74%
The month with the highest relative humidity is August (79%).
The months with the lowest relative humidity are January, February, March and April (74%).
Average rainfall in January
Saint Helena, NC
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in January
Saint Helena, NC
- Average rainfall days in January: 10.4 days
The months with the highest number of rainy days are July and August (19.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in January
Saint Helena, NC
- Average snowfall in January: 0.71"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Saint Helena, NC
- Average snowfall days in January: 1 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Saint Helena, NC
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in January
Saint Helena, NC
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in January
Saint Helena, NC
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in January
Saint Helena, NC
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Saint Helena, 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).
Saint Helena, North Carolina, USA
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