Climate and monthly weather forecast
Saint Helena, NC

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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 »

Frequently asked questions

What month is the coldest?

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).

What is the least humid month?

January through April, with an average relative humidity of 74%, are the least humid months.

What is the driest month?

January is the month with the least rainfall in Saint Helena. Rain falls for 10.4 days and accumulates 1.54" (39mm) of precipitation.

How many days does it rain?

In Saint Helena, during the entire year, the rain falls for 165.3 days and collects up to 34.21" (869mm) of precipitation.

When does it snow?

Months with snowfall are January through March and December.

How much does it snow?

Throughout the year, there are 2.3 snowfall days, and 1.65" (42mm) of snow is accumulated.

What are the months with the least sunshine?

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

When is the lowest UV index?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the snowiest month?

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.

When is Daylight Saving Time (DST)?

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.

When it does not snow?

April through November are months without snowfall.

When are the longest days?

June has the longest days of the year in Saint Helena, with an average of 14h and 24min of daylight.

What are the months with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What are the warmest months?

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.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.6h of sunshine.

What is the most humid month?

The most humid month is August, with an average relative humidity of 79%.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 19.8 days and accumulates 4.33" (110mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

Average temperature
Saint Helena, NC

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 - Saint Helena, NC

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 - Saint Helena, NC

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

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 - Saint Helena, NC

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 - Saint Helena, NC

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

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 - Saint Helena, NC

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 / Average sunshine - Saint Helena, NC

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).

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 - Saint Helena, NC

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

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 visibility
Saint Helena, NC

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).

Saint Helena, North Carolina, USA

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