Climate and monthly weather forecastLong Neck, DE
Climate and monthly weather forecast
The climate of Long Neck
Long Neck, a geographic location in Delaware, USA, experiences a Humid subtropical climate under the Köppen climate classification (Cfa). There is no dry season throughout the year, and the area receives a fair amount of rainfall annually.Across the year, the area sees a broad swing in temperatures. During the colder months, the temperatures average from 31.5°F (-0.3°C) to 41.7°F (5.4°C) and, in the warmer months, from between 70.3°F (21.3°C) and 82°F (27.8°C). However, the relative humidity remains relatively stable, averaging around 75% to 81% throughout the year.
Rainfall is a constant feature in Long Neck's climate. Every month of the year sees decent precipitation from 1.46" (37mm) to 2.95" (75mm), with the latter half of the year experiencing peak rainfall. Days with rain ranges from 7.4 to 16.7 per month. Snowfall is minimal, occurring mainly in winter, with the amounts ranging from 0.28" (7mm) to 1.22" (31mm), and the number of snowy days varying from 0 to 3.1.
While the sea temperature fluctuates from 40.7°F (4.8°C) to 76.9°F (24.9°C), the daylight hours span from 9.8 to 14.8 hours. With sunshine hours peaking at 11 hours in summer and retreating to as low as 5.1 hours in winter, this mirrors the pattern of longer days in the warmer months. The UV index also follows a similar trend, spiking in summer with a UV index of 6 and dipping to 2 in winter.
The best time to visit Long Neck
Visitors seeking to experience the best of Long Neck's climate should consider making their trip during the spring and early summer, between May to June. During this time, temperatures range from 57.4°F (14.1°C) to 77°F (25°C), making outdoor activities pleasant. Sunshine totals around 9.3 to 10.5 hours per day, each day packed with sufficient light for sightseeing. Sea temperatures also begin to warm up during this period, reaching 56.8°F (13.8°C) to 68.2°F (20.1°C), ideal for those looking to indulge in marine activities.The worst time to visit Long Neck
Tourists planning a visit to Long Neck would preferably want to avoid late summer to early autumn. Specifically, the months of July to August, when the highest temperatures of 70.3°F (21.3°C) to 82°F (27.8°C) are recorded. Despite the pleasant sea temperatures ranging between 75°F (23.9°C) to 76.9°F (24.9°C), the higher levels of rainfall of 2.95" (75mm) coupled with relative humidity averaging at 79%, could potentially disrupt outdoor activities.Spring weather in Long Neck
Spring in Long Neck, from March to May, is a period of warming temperatures and increasing daylight. During these months, the temperature varies from 38.8°F (3.8°C) to 68.5°F (20.3°C). Daylight hours gradually extend from 12 hours to 14.3 hours as spring progresses. Rainfall during spring ranges between 1.65" (42mm) to 2.13" (54mm) and the number of rainy days can reach up to 15.1 in May. However, the amount of sunshine steadily improves, increasing from 6.8 hours in March to 9.3 hours by May.Summer weather in Long Neck
Summers in Long Neck, from June to August, are warm and generally humid. Temperatures peak during these months, averaging from 66.4°F (19.1°C) to 82°F (27.8°C). Days are longest in summer, with daylight hours extending up to 14.8 hours. Rainfall during these months is also the highest, measuring from 2.28" (58mm) to 2.95" (75mm). The relative humidity during this period averages around 79%, contributing to the feeling of warmth. Sunshine is abundant, with more than 10.5 hours of bright sun every day in June and July.Autumn weather in Long Neck
Autumn heralds a transition from the warm, humid summers to the chillier winters. September to November sees temperatures ranging from 56.1°F (13.4°C) to 75.7°F (24.3°C). Daylight hours decrease over autumn, ranging from 12.4 hours in September to 10.1 hours by November. Rainfall measures between 2.13" (54mm) and 1.89" (48mm) while the amount of sunshine also reduces, fluctuating between 9.3 hours and 5.7 hours.Winter weather in Long Neck
Winter in Long Neck, from December to February, is cold with temperatures averaging from 31.5°F (-0.3°C) to 44.4°F (6.9°C). Daylight hours are shortest in winter, with an average of 9.8 hours to 10.8 hours. Despite the lower temperatures, the relative humidity remains relatively high, averaging around 75%. The winter months do see some snowfall, predominantly in December and January, with 1.22" (31mm) and 1.02" (26mm) respectively. Sunshine hours are low, varying from 5.2 hours to 5.5 hours.Weather in January
January in Long Neck, Delaware, tends to be characterized by cold temperatures, bracing winds, and typically a light snowfall. The chill in the air is most prominent during the evenings, with temperatures plunging to as low as 31.5°F (-0.3°C). Weather in January »Weather in February
Weather conditions in Long Neck undergo a mild transformation as the calendar flips to February. A shift from January sees temperatures slightly rebounding, yet remaining in the winter realm. Surprisingly, February witnesses a decrease in snowfall, transitioning more towards a rainy weather pattern. Weather in February »Weather in March
March signals the advent of Spring in Long Neck with a noticeable increase in temperatures, decreased snowfall, and an increase in daylight hours. Adding to these changes, is a relative increase in humidity to 75%, indicating signs of weather transformation. Weather in March »Weather in April
April traditionally acts as a bridge between March's wet conditions and the upcoming brighter months in Long Neck. There is a significant leap in temperatures compared to previous months, indicating the steady progress towards summer. Weather in April »Weather in May
In May, Long Neck becomes a hotspot for outdoor adventures as the weather warms up further, inviting locals and visitors to emerge and enjoy the pleasantries that the city has to offer. Highlighting the temperature increase, average lows approach a comfortable 57.4°F (14.1°C), signaling an end to chilly nights. Weather in May »Weather in June
As June rolls around, summer officially starts in Long Neck, bringing with it an array of sun-soaked days. Stepping away from May's milder conditions, June introduces highs around 77°F (25°C), setting a fitting summer tone. This month experiences a drop in humidity, lending to comfortable conditions for outdoor adventures. Weather in June »Weather in July
July is the pinnacle of summer in Long Neck, Delaware, with its weather patterns dominated by warm temperatures and sunshine-filled days. Although temperatures tend to soar, the peak high recorded is around 82°F (27.8°C), making sure the weather remains bearable. Weather in July »Weather in August
August sees Long Neck in the middle of the dog days of summer, with the weather remaining consistent with the preceding month. There is no major shift observed from July, maintaining a relatively stable climate with warm days and comfortable nights. Weather in August »Weather in September
September marks the beginning of Fall for Long Neck, and a slow cooling off from the sweltering summer. Temperatures begin their descent with an average high falling to around 75.7°F (24.3°C); a clear indication of an incoming autumn. Weather in September »Weather in October
October presents Long Neck in full autumn swing, exhibiting a splendid array of vibrant foliage. Taking a major step down from September, October experiences a noticeable decline in temperature, offering a fresh, crisp environment. Weather in October »Weather in November
November in Long Neck signifies an end to Autumn and a gentle introduction of the Winter chill. A significant drop from October is observed, delivering colder temperatures and slightly shorter days. Brisk winds present a chilling reminder of the upcoming winter, as daytime temperature highs drop to an average of 54.9°F (12.7°C). Weather in November »Weather in December
December welcomes the official start of winter in Long Neck, exhibiting the typical signs of the season with cold temperatures and short daylight hours. Stepping down further in the cold ladder with temperatures consistently under 50°F (10°C), December days and nights become increasingly frosty. Weather in December »Updated: Aug 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the coldest month of the year, registering average temperatures as high as 41.7°F (5.4°C) and as low as 31.5°F (-0.3°C).
The months with the lowest humidity in Long Neck, Delaware, are January and November, with an average relative humidity of 74%.
The month with the least rainfall is January, when the rain falls for 7.4 days and typically collects 1.46" (37mm) of precipitation.
Throughout the year, in Long Neck, there are 147.1 rainfall days, and 25.59" (650mm) of precipitation is accumulated.
Months with snowfall are January through March, November and December.
January is the month with the most snowfall. Snow falls for 3.1 days and accumulates 1.22" (31mm) of snow.
Throughout the year, there are 9.4 snowfall days, and 3.39" (86mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
The month with the coldest seawater is February, with an average ocean temperature of 40.6°F (4.8°C).
With an average of 5.1h of sunshine, February has the least sunshine of the year.
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 October are months without snowfall.
May is the most humid month, with an average relative humidity of 81%.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the longest days is June, with an average of 14h and 48min of daylight.
Temperature records mark July as the warmest month, with highs averaging 82°F (27.8°C) and lows at 71.6°F (22°C).
The wettest months in Long Neck are July and August, with an average 2.95" (75mm) of rainfall.
The month with the most sunshine in Long Neck is July, with an average of 11h of sunshine.
With an average ocean temperature of 77°F (25°C), August is the month with the warmest seawater.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Long Neck, DE
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (41.7°F).
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure
Long Neck, DE
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Long Neck, DE
- Average wind speed in January:
11.1mph - Average wind speed in February:
11.1mph - Average wind speed in March:
11.1mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.3mph - Average wind speed in September:
8.8mph - Average wind speed in October:
10.2mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.5mph
The windiest months (with the highest average wind speed) are January, February and March (11.1mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity
Long Neck, DE
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall
Long Neck, DE
- Average rainfall in January:
1.46" - Average rainfall in February:
1.77" - Average rainfall in March:
2.09" - Average rainfall in April:
1.65" - Average rainfall in May:
2.13" - Average rainfall in June:
2.28"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.95" - Average rainfall in September:
2.13" - Average rainfall in October:
2.6" - Average rainfall in November:
1.89" - Average rainfall in December:
1.69"
The wettest months (with the highest rainfall) are July and August (2.95").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days
Long Neck, DE
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall
Long Neck, DE
The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Long Neck, DE
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
1.5 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:
0.2 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature
Long Neck, DE
The best month for swimming (with the highest average sea temperature) is August (76.9°F).
The coldest month (with the lowest average sea temperature) is February (40.7°F).
Average daylight / Average sunshine
Long Neck, DE
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Long Neck, DE
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
15 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.9 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (12.2 days).
Average UV index
Long Neck, DE
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Long Neck, DE
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Long Neck, DE
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).
