Climate and monthly weather forecastEmerald Isle, NC
Climate and monthly weather forecast
The climate of Emerald Isle
Emerald Isle, based in North Carolina, USA, lies in the Humid Subtropical climate zone, as classified under the Köppen Climate classification with no dry season. Its geographical positioning has situated it within a climate that remains comfortable and attractive year-round.Temperature variations over the year see the highs from 53.1°F (11.7°C) to 85.6°F (29.8°C) and lows between 41.2°F (5.1°C) to 76.6°F (24.8°C). Precipitation levels remain relatively stable throughout the year, stretching from a range of 0.75" (19mm) to 3.43" (87mm) per month. Even with annual rainfall present, the number of days with observed rainfall ranges between 8.8 to 20.1 days of each month.
Humidity levels are relatively stable throughout the year, with a slight increase during the summer months. The sunlight duration also varies significantly over the year, shifting from 10.1 hours in January to a peak of 14.5 hours in June. UV index ranges from 3 during the winter months to 7 in the peak of summer, indicating an increase in solar radiation.
Snowfall is a rare occurrence in Emerald Isle due to its geographical location and climate classification, with only a maximum of 0.2" (5mm) being recorded in January and February.
The best time to visit Emerald Isle
The ideal time for a visit to Emerald Isle would be during spring and fall. In spring, April in particular witnesses a comfortable temperature ranging from 57.9°F (14.4°C) to 68.7°F (20.4°C) with moderate levels of rainfall averaging at about 1.34" (34mm). Fall, on the other hand, offers temperatures between 62.2°F (16.8°C) and 81.3°F (27.4°C) with October providing optimal conditions when temperatures are pleasant, rainfall averaging at about 1.3" (33mm) and sunshine lasting for approximately 6.2 hours.The worst time to visit Emerald Isle
Emerald Isle experiences its most challenging weather conditions during summer. July and August can be uncomfortably humid with temperatures peaking at 85.6°F (29.8°C) and 85.1°F (29.5°C) respectively. These months also experience the highest rainfall, with July recording the heaviest rains at 2.87" (73mm), escalating to 3.43" (87mm) in August. The number of rainy days reaches its zenith during this period, with 19.4 and 20.1 days respectively in July and August.Spring weather in Emerald Isle
Spring in Emerald Isle is a pleasant period when temperatures range from 48.7°F (9.3°C) to 68.7°F (20.4°C). Rainfall levels slowly increase from March through May, recording a high of 1.34" (34mm) in April. The amount of sunlight also increases significantly from 12 hours in March to 14 hours in May, offering extended daylight hours for outdoor activities.Summer weather in Emerald Isle
Summers in Emerald Isle are humid with temperatures ranging from 66.4°F (19.1°C) to 85.6°F (29.8°C). The amount of rainfall also significantly increases, peaking at 3.43" (87mm) in August. Despite the heat and heavy rainfall, the summer months provide long daylight hours, peaking at 14.5 hours in June.Autumn weather in Emerald Isle
Autumn in Emerald Isle sees a drop in temperatures from 71.6°F (22°C) to 51.6°F (10.9°C). Rainfall also declines significantly in this period from a peak of 3.03" (77mm) in September down to 1.46" (37mm) in November. Although daylight hours gradually decrease from 12.4 hours in September to 10.4 hours in November, the season offers relatively comfortable conditions for outdoor activities.Winter weather in Emerald Isle
Winter months mark the coldest period in Emerald Isle with temperature lows of 41.2°F (5.1°C) in January. There's a decrease in rainfall dropping from 1.46" (37mm) in November to 0.75" (19mm) in January. Despite being the coldest time of the year, snowfall is rare with only 0.2" (5mm) recorded in January.Weather in January
January embarks on an overall cool and damp ambiance in Emerald Isle, North Carolina. Temperatures fluctuate between around 41.2°F (5.1°C) and 53.1°F (11.7°C), indicating a slight chill. Notably, this month experiences the sporadic occurrence of snowfall, though in very minimal quantities. Weather in January »Weather in February
Barrelling into February, the weather similar to January, carries the winter's edge, albeit with slight improvements in the temperature readings. Emerging from an average of 41.2°F (5.1°C) in January, the low temperatures notch up to 43.3°F (6.3°C). Weather in February »Weather in March
March heralds the transition from winter to spring in Emerald Isle. The lingering chill from February gradually fades as the thermometers begin to read a high temperature around 60.4°F (15.8°C). The environment grows vibrant with prolonged daylight hours, buoyed by approx seven hours of daily sunshine. Weather in March »Weather in April
April instils the full bloom of spring in Emerald Isle and the weather visibly softens. The sun beams down with increasing intensity, pushing the temperature range to 57.9°F (14.4°C) to 68.7°F (20.4°C). A delight to the beach-goers, the sea temperature soars to a pleasant 67.6°F (19.8°C). Weather in April »Weather in May
May presents a fine blend of temperature variations in Emerald Isle effortlessly striding from 66.4°F (19.1°C) to 76.5°F (24.7°C). The city basks in the balmy heat, generously dispensed by the sunshine stretching around 10.1 hours per day. Weather in May »Weather in June
As Emerald Isle rolls into June, summer officially kicks in bringing with it, the city's highest temperatures. While the sun dominates the longer days, it alleviates the mercury level to peak at 82.8°F (28.2°C). Days are abuzz with activities, thanks to the strongest UV index of 7. Weather in June »Weather in July
July holds the title for the hottest month of the year in Emerald Isle, hitting a high of 85.6°F (29.8°C). The humid heat could get intense, but the ocean at 82°F (27.8°C) provides enormous respite for locals and tourists alike. Weather in July »Weather in August
With the arrival of August, the Emerald Isle sustains its summer fervor with the highest sea-water temperature scaling to approximately 83.2°F (28.4°C). Relatively high temperatures hover between the mid seventies to mid eighties°F degrees range. Weather in August »Weather in September
September marks the onset of autumn in Emerald Isle, extending a slight relief from the scorching summer heat. Temperatures return to a more comfortable 71.6°F (22°C) to 81.3°F (27.4°C) zip code. The bright, sunny days, drawn across approx twelve hours, offer a pleasant ambiance to explore the city’s numerous attractions. Weather in September »Weather in October
October witnesses an eminent dip in the heat meter with Mercury levels oscillating between 62.2°F (16.8°C) and 73°F (22.8°C). Emerald Isle experiences significant daylight hours with approximately 6.2 hours of direct sunlight. Weather in October »Weather in November
In November, the Emerald Isle graces the advent of winter with temperature readings significantly plunging to an average low of 51.6°F (10.9°C). The patina of autumn vividly transforms into a cool countenance, gradually turning colder towards the month's end. Weather in November »Weather in December
As December takes over, winter firmly establishes its regime in Emerald Isle. Low temperatures stiffen to an average around 46.6°F (8.1°C), creating a consistently cool atmosphere. Also, the sun retreats considerably, often hiding behind clouds lending the sky a permanently gray outlook. Weather in December »Updated: Jul 25, 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
Emerald Isle's temperature records reveal January as the coldest month, marked by average highs of 53.1°F (11.7°C) and lows of 41.2°F (5.1°C).
January through April, with an average relative humidity of 74%, are the least humid months.
The month with the least rainfall is January, when the rain falls for 9.4 days and typically collects 0.75" (19mm) of precipitation.
In Emerald Isle, during the entire year, the rain falls for 156.1 days and collects up to 21.61" (549mm) of precipitation.
January through March are months with snowfall.
January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.2" (5mm) of snow.
Throughout the year, there are 1.1 snowfall days, and 0.31" (8mm) of snow is accumulated.
January and December, with an average maximum UV index of 3, are months with the lowest UV index.
The month with the coldest seawater in Emerald Isle is February, with an average ocean temperature of 61.3°F (16.3°C).
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.
In Emerald Isle, snow does not fall in April through December.
June has the longest days of the year, with an average of 14h and 24min of daylight.
The month with the most sunshine in Emerald Isle is June, with an average of 10.9h of sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
With average temperatures fluctuating between a high of 85.6°F (29.8°C) and a low of 76.6°F (24.8°C), July stands out as the warmest month.
August is the most humid month, with an average relative humidity of 78%.
August is the month with the most rainfall. Rain falls for 20.1 days and accumulates 3.43" (87mm) of precipitation.
August is the month with the warmest seawater in Emerald Isle, with an average ocean temperature of 83.1°F (28.4°C).
The month with the shortest days is December, with an average of 9h and 54min of daylight.
With an average of 5.5h of sunshine, December has the least sunshine of the year.
Average temperature
Emerald Isle, NC
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (53.1°F).
The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure
Emerald Isle, NC
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"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:
30.12"Hg - Average pressure in December:
30.12"Hg
The months with the highest atmospheric pressure are January, November and December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Emerald Isle, NC
- Average wind speed in January:
10.5mph - Average wind speed in February:
11.1mph - Average wind speed in March:
11.1mph - Average wind speed in April:
11.1mph - Average wind speed in May:
10mph - Average wind speed in June:
9.4mph
- Average wind speed in July:
9.7mph - Average wind speed in August:
8.6mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10.3mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.3mph
The windiest months (with the highest average wind speed) are February, March and April (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity
Emerald Isle, NC
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are January, February, March and April (74%).
Average rainfall
Emerald Isle, NC
- Average rainfall in January:
0.75" - Average rainfall in February:
1.14" - Average rainfall in March:
1.1" - Average rainfall in April:
1.34" - Average rainfall in May:
1.65" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.87" - Average rainfall in August:
3.43" - Average rainfall in September:
3.03" - Average rainfall in October:
1.3" - Average rainfall in November:
1.46" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Emerald Isle, NC
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
19.4 days - Average rainfall days in August:
20.1 days - Average rainfall days in September:
15 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall
Emerald Isle, NC
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Emerald Isle, NC
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.3 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 days - Average snowfall days in December:
0.3 days
The months with the highest number of snowfall days are January, February and December (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Emerald Isle, NC
The best month for swimming (with the highest average sea temperature) is August (83.2°F).
The coldest month (with the lowest average sea temperature) is February (61.3°F).
Average daylight / Average sunshine
Emerald Isle, NC
- Average daylight in January:
10h and 6min - 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 36min - Average sunshine in February:
5h and 48min - Average sunshine in March:
7h and 24min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 6min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 30min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Emerald Isle, NC
- Average sunshine days in January:
19.4 days - Average sunshine days in February:
17.4 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
18.1 days - Average sunshine days in May:
15 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
8.4 days - Average sunshine days in September:
12.9 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is August (8.4 days).
Average UV index
Emerald Isle, NC
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Emerald Isle, NC
The months with the most cloud cover are February, March and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Emerald Isle, 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).
