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
January, marked by an average high-temperature of 52.7°F (11.5°C) and a low-temperature of 36.7°F (2.6°C), is the coldest month.Humidity
The months with the lowest humidity are January through April, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 10.4 days and typically collects 1.54" (39mm) of precipitation.Snowfall
Months with snowfall are January through March and December. In Saint Helena, in January, during 1 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, there are 2.3 snowfall days, and 1.65" (42mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 10min.On the first day of the month, sunrise is at 7:18 am and sunset at 5:11 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:39 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 3 in January suggests the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What are the temperatures in January?
What is the least humid month?
What is the average humidity in January?
What is the driest month in Saint Helena?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Saint Helena have in January?
What time are sunrise and sunset in January?
What are the months with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
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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