Climate and monthly weather forecastCastle Hayne, NC
Climate and monthly weather forecast
Weather in January
January, like December, in Castle Hayne, North Carolina, is a cool winter month, with an average temperature varying between 54°F (12.2°C) and 40.1°F (4.5°C). January proves to be the coldest month, recording an average maximum temperature of 54°F (12.2°C) and a minimum temperature of 40.1°F (4.5°C). Weather in January »Weather in February
February, the last month of the winter in Castle Hayne, is a refreshing month, with an average temperature varying between 57.7°F (14.3°C) and 43°F (6.1°C). Castle Hayne's average high-temperature in February is a refreshing 57.7°F (14.3°C), marking an insignificant difference from the 54°F (12.2°C) of January. Weather in February »Weather in March
March, the first month of the spring in Castle Hayne, is a refreshing month, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 62.4°F (16.9°C). Castle Hayne experiences a minor change to a comfortable 62.4°F (16.9°C) in average high-temperature during March, closely reflecting February. Weather in March »Weather in April
April is an agreeable spring month in Castle Hayne, North Carolina, with temperature in the range of an average low of 57.6°F (14.2°C) and an average high of 70.7°F (21.5°C). April witnesses a minor rise in the average high-temperature, transitioning from an enjoyable 62.4°F (16.9°C) in March to a pleasant 70.7°F (21.5°C). Weather in April »Weather in May
May, the last month of the spring in Castle Hayne, is a moderately hot month, with an average temperature fluctuating between 65.5°F (18.6°C) and 78.6°F (25.9°C). The start of May signals a slight increase in the average high-temperature, moving from an agreeable 70.7°F (21.5°C) in April to a moderately hot 78.6°F (25.9°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Castle Hayne, North Carolina, with temperature in the range of an average low of 72.5°F (22.5°C) and an average high of 84.7°F (29.3°C). June's onset witnesses a minor shift in the average high-temperature, moving from 78.6°F (25.9°C) in May to a still moderately hot 84.7°F (29.3°C). Weather in June »Weather in July
July in Castle Hayne, North Carolina, is a tropical summer month, with an average temperature fluctuating between 75.4°F (24.1°C) and 87.6°F (30.9°C). Castle Hayne's July weather, with an average high temperature of 87.6°F (30.9°C) and an average low temperature of 75.4°F (24.1°C), tends to be the warmest of the year. Throughout July, the heat index is appraised at a torrid 102.2°F (39°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Castle Hayne, North Carolina, with an average temperature ranging between min 74.7°F (23.7°C) and max 86.7°F (30.4°C). August registers an average high-temperature of a still hot 86.7°F (30.4°C), slightly varied from July's 87.6°F (30.9°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Castle Hayne, North Carolina, with an average temperature fluctuating between 82.2°F (27.9°C) and 70.3°F (21.3°C). With the onset of September, the average high-temperature registers at a moderately hot 82.2°F (27.9°C), subtly different from August's 86.7°F (30.4°C). Weather in September »Weather in October
October, like September, in Castle Hayne, North Carolina, is another warm autumn month, with an average temperature varying between 74.1°F (23.4°C) and 60.4°F (15.8°C). Castle Hayne's progression into October involves a minor drop in the average high-temperature, slightly receding from a warm 82.2°F (27.9°C) in September to a still moderately hot 74.1°F (23.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Castle Hayne, North Carolina, with an average temperature fluctuating between 50°F (10°C) and 63.9°F (17.7°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a moderately hot 74.1°F (23.4°C) in October to an enjoyable 63.9°F (17.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Castle Hayne, North Carolina, with an average temperature ranging between max 58.1°F (14.5°C) and min 45.5°F (7.5°C). In December, the meteorological conditions change slightly, with the average high-temperature moving from a refreshing 63.9°F (17.7°C) in November to a mild 58.1°F (14.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Castle Hayne, NC
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (54°F).
The month with the highest average low temperature is July (75.4°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure
Castle Hayne, 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:
30.03"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:
30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Castle Hayne, NC
- Average wind speed in January:
8.9mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.6mph - Average wind speed in June:
8mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
7mph - Average wind speed in September:
8mph - Average wind speed in October:
8.6mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.7mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Castle Hayne, NC
The months with the highest relative humidity are August, September and December (77%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall
Castle Hayne, NC
- Average rainfall in January:
1.93" - Average rainfall in February:
2.36" - Average rainfall in March:
2.8" - Average rainfall in April:
3.19" - Average rainfall in May:
3.58" - Average rainfall in June:
3.82"
- Average rainfall in July:
3.94" - Average rainfall in August:
5.59" - Average rainfall in September:
5.39" - Average rainfall in October:
2.64" - Average rainfall in November:
2.76" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is August (5.59").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days
Castle Hayne, NC
- Average rainfall days in January:
11.9 days - Average rainfall days in February:
11.2 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
19.9 days
- Average rainfall days in July:
21.9 days - Average rainfall days in August:
22.3 days - Average rainfall days in September:
17.7 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (10.6 days).
Average snowfall
Castle Hayne, NC
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Castle Hayne, NC
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 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:
0.1 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Castle Hayne, 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 36min - Average sunshine in February:
5h and 54min - Average sunshine in March:
7h and 18min - Average sunshine in April:
9h and 48min - Average sunshine in May:
10h and 6min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 18min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Castle Hayne, NC
- Average sunshine days in January:
17.1 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
7 days
- Average sunshine days in July:
6.4 days - Average sunshine days in August:
6.3 days - Average sunshine days in September:
9.8 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is August (6.3 days).
Average UV index
Castle Hayne, 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, February and December (UV index 3).
Average cloud cover
Castle Hayne, NC
The months with the most cloud cover are February and December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility
Castle Hayne, 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).





