Climate and monthly weather forecastSaint Helena, NC
Climate and monthly weather forecast
Weather in January
January, like December, in Saint Helena, North Carolina, is a cool winter month, with an average temperature fluctuating between 36.7°F (2.6°C) and 52.7°F (11.5°C). 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. Weather in January »Weather in February
The last month of the winter, February, is a mild month in Saint Helena, North Carolina, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 57.2°F (14°C). Saint Helena indicates an average high-temperature of a refreshing 57.2°F (14°C) in February, showing minor variation from January's 52.7°F (11.5°C). Weather in February »Weather in March
The first month of the spring, March, is an enjoyable month in Saint Helena, North Carolina, with an average temperature fluctuating between 62.4°F (16.9°C) and 45.1°F (7.3°C). With the advent of March, Saint Helena's high-temperatures adjust to an enjoyable 62.4°F (16.9°C), closely aligning with the preceding month. Weather in March »Weather in April
April is an agreeable spring month in Saint Helena, North Carolina, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 72.1°F (22.3°C). Saint Helena in April sees a temperature change, with average high-temperatures moving from a refreshing 62.4°F (16.9°C) in March to a pleasant 72.1°F (22.3°C). Weather in April »Weather in May
May, the last month of the spring in Saint Helena, is a warm month, with an average temperature fluctuating between 63.1°F (17.3°C) and 80.1°F (26.7°C). Saint Helena's transition into May is noticed by a slight rise in the average high-temperature, advancing from a pleasant 72.1°F (22.3°C) in April to a warm 80.1°F (26.7°C). Weather in May »Weather in June
June, the first month of the summer in Saint Helena, is a tropical month, with temperature in the range of an average low of 69.6°F (20.9°C) and an average high of 86.4°F (30.2°C). As May transitions into June, Saint Helena notices a gentle rise in the average high-temperature, transitioning from a warm 80.1°F (26.7°C) to a hot 86.4°F (30.2°C). Weather in June »Weather in July
July, the same as June, in Saint Helena, North Carolina, is another tropical summer month, with an average temperature ranging between max 89.2°F (31.8°C) and min 72.9°F (22.7°C). Temperature readings reach their annual highs in July, averaging 89.2°F (31.8°C) and a minimum average of 72.9°F (22.7°C). July's mean heat index is appraised at a scorching 107.6°F (42°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Saint Helena, North Carolina, with an average temperature fluctuating between 71.8°F (22.1°C) and 88.3°F (31.3°C). Entering August, the average high-temperature is recorded at a still hot 88.3°F (31.3°C), exhibiting a minimal shift from July's 89.2°F (31.8°C). Weather in August »Weather in September
September, the first month of the autumn in Saint Helena, is still a warm month, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 67.5°F (19.7°C). As Saint Helena steps into September, the average high-temperature holds at a warm 83.3°F (28.5°C), hinting at a minor fluctuation from the prior month. Weather in September »Weather in October
October, like September, in Saint Helena, North Carolina, is a moderately hot autumn month, with an average temperature varying between 56.7°F (13.7°C) and 74.1°F (23.4°C). As Saint Helena enters October, the average high-temperature decreases from the a warm 83.3°F (28.5°C) of September to a still moderately hot 74.1°F (23.4°C). Weather in October »Weather in November
November, the last month of the autumn in Saint Helena, is another refreshing month, with an average temperature fluctuating between 63.1°F (17.3°C) and 46.2°F (7.9°C). As November arrives, Saint Helena's weather displays a decrease in high-temperatures, transitioning from October's moderately hot 74.1°F (23.4°C) to a refreshing 63.1°F (17.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a moderate month in Saint Helena, North Carolina, with an average temperature fluctuating between 41.9°F (5.5°C) and 57.2°F (14°C). In Saint Helena, entering December brings a subtle temperature decrement, reducing from November's enjoyable 63.1°F (17.3°C) to a still refreshing 57.2°F (14°C). Weather in December »Updated: Jul 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest month is January, with an average high-temperature of 52.7°F (11.5°C) and an average low-temperature of 36.7°F (2.6°C).
January through April, with an average relative humidity of 74%, are the least humid months.
January is the month with the least rainfall in Saint Helena. Rain falls for 10.4 days and accumulates 1.54" (39mm) of precipitation.
In Saint Helena, during the entire year, the rain falls for 165.3 days and collects up to 34.21" (869mm) of precipitation.
Months with snowfall are January through March and December.
Throughout the year, there are 2.3 snowfall days, and 1.65" (42mm) of snow is accumulated.
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 0.9 days and typically aggregates up to 0.83" (21mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April through November are months without snowfall.
June has the longest days of the year in Saint Helena, with an average of 14h and 24min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 7.
Saint Helena's temperatures peak on average in July, reaching 89.2°F (31.8°C) at their highest and 72.9°F (22.7°C) at their lowest.
The month with the most sunshine is July, with an average of 10.6h of sunshine.
The most humid month is August, with an average relative humidity of 79%.
August is the month with the most rainfall. Rain falls for 19.8 days and accumulates 4.33" (110mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 54min of daylight.
Average temperature
Saint Helena, NC
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).
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
Saint Helena, NC
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
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
Saint Helena, NC
- Average wind speed in January:
6.5mph - Average wind speed in February:
7mph - Average wind speed in March:
7mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.1mph - Average wind speed in September:
6mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.2mph
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
Saint Helena, NC
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
Saint Helena, NC
- Average rainfall in January:
1.54" - Average rainfall in February:
2.17" - Average rainfall in March:
2.44" - Average rainfall in April:
2.6" - Average rainfall in May:
3.03" - Average rainfall in June:
3.58"
- Average rainfall in July:
3.54" - Average rainfall in August:
4.33" - Average rainfall in September:
4.17" - Average rainfall in October:
1.89" - Average rainfall in November:
2.28" - Average rainfall in December:
2.64"
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
Saint Helena, NC
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
13.2 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
19 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
19.8 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
11 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
Saint Helena, NC
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
Saint Helena, NC
- Average snowfall days in January:
1 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.1 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 / Average sunshine
Saint Helena, NC
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
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 30min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 30min
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
Saint Helena, NC
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
9 days
- Average sunshine days in July:
8.1 days - Average sunshine days in August:
8.7 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19 days - Average sunshine days in December:
18.5 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
Saint Helena, NC
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
Saint Helena, NC
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
Saint Helena, NC
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).
