Climate and monthly weather forecast
Slaughter Beach, DE

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The climate of Slaughter Beach

In geographical terms, Slaughter Beach, Delaware, USA lies in the Köppen climate classification Cfa or Humid subtropical, with no dry season. A close examination of climate data illustrates that Slaughter Beach's weather varies consistently throughout the year, showcasing characteristics of a humid subtropical climate.

Temperatures in Slaughter Beach exhibit a steady increase and decrease throughout the year, reaching their peak in the midsummer months with an average high of 83.1°F (28.4°C) in July and subsequently dipping to their lowest in January with an average low of 29.7°F (-1.3°C). Substantial fluctuations in humidity also follow this pattern closely, with the highest at 80% in May and the lowest at 74% in January and November.

Rainfall is fairly evenly distributed throughout the year, with the months from July to August receiving marginally higher precipitation, peaking at 3.07" (78mm) in August. Conversely, January registers as the driest month, receiving approximately 1.5" (38mm) of rainfall. Snowfall is predominantly a winter phenomenon, peaking at 1.22" (31mm) in January.

The best time to visit Slaughter Beach

Considering the climate dynamics in Slaughter Beach, the best time to visit would arguably be in Spring or early Summer, particularly from May to June. These months present relatively warm temperatures, ranging from 70°F (21.1°C) to 78.1°F (25.6°C), combined with moderate rainfall, measured between 2.28" (58mm) to 2.48" (63mm). In conjunction with ample daylight hours, around 14.3 to 14.9 hours, and delightful sunshine duration ranging from 9.1 hours to 10.4 hours, these months offer quite an agreeable climate for outdoor recreation and beach activities.

The worst time to visit Slaughter Beach

On the contrary, the winter season is potentially less alluring for tourism, extending from December to February. These months are characterized by cold temperatures, the lowest being 29.7°F (-1.3°C) in January, and the highest snowfall, reaching up to 1.22" (31mm) in January as well. The daylight hours during these months range from 9.5 hours to 10.1 hours only, limiting the outdoor activity duration.

Spring weather in Slaughter Beach

In Slaughter Beach, the spring season, spanning from March to May, ushers in increased temperatures, progressing from 49.8°F (9.9°C) to 70°F (21.1°C). Concurrently, humidity also experiences a rise from 75% to 80%. Furthermore, rainfall tends to intensify, culminating at 2.28" (58mm) in May. Daylight extends generously during this time, giving individuals ample time to indulge in outdoor activities.

Summer weather in Slaughter Beach

Summers in Slaughter Beach, from June to August, are hot and rainy, offering a quintessential beach experience. Among these months, July and August are notably hurricane-prone due to high humidity and temperatures. The highest temperature touched is 83.1°F (28.4°C) in July and rainfall reaches its pinnacle of 3.07" (78mm) in August.

Autumn weather in Slaughter Beach

Autumn months from September to November in Slaughter Beach are characterized by a gradual temperature drop from 76.1°F (24.5°C) to 54.5°F (12.5°C) and a decrease in rainfall to 1.85" (47mm) in November. Meanwhile, daylight hours also decline gradually, making room for evening activities or quiet nights indoors.

Winter weather in Slaughter Beach

The winter months of December to February in Slaughter Beach bring colder days and snowy nights. January is the coldest month, with temperatures sinking to 29.7°F (-1.3°C). Snowfall, although not very high, is most common in these months, touching 1.22" (31mm) in January. Despite the cold, the charm of the wintertime scenery might appeal to some visitors.

Weather in January

January in Slaughter Beach, Delaware brings a cold winter chill, with temperatures fluctuating between 29.7°F (-1.3°C) and 40.6°F (4.8°C), making it the coldest month of the year. Shorter hours of daylight, paired with increased cloud percentage makes the winter weather feel even colder. Weather in January »

Weather in February

Moving into February, Slaughter Beach, Delaware experiences a slight increase in temperature range from 31.5°F (-0.3°C) to 43.7°F (6.5°C). Days start to gradually lengthen, signaling the slow progress towards spring. While snowfall lessens, rainfall increases marginally, resulting in a higher number of rainy days compared to January. Weather in February »

Weather in March

March sees a steady shift from the winter cold as Slaughter Beach transitions towards spring, with temperatures ranging from 37.9°F (3.3°C) to 49.8°F (9.9°C). This month sees a significant increase in daylight hours, which in turn contributes to more hours of sunshine. Weather in March »

Weather in April

With average temperatures from 47.7°F (8.7°C) to 60.6°F (15.9°C), April in Slaughter Beach, Delaware delineates the arrival of warmer weather. This mid-spring month is characterized by noticeably longer daylight hours. While April experiences fewer snowfall days compared to March, the rainfall frequency remains consistent, maintaining soil moisture for flourishing plant life. Weather in April »

Weather in May

May brings a distinct change to Slaughter Beach, Delaware, with temperatures rising from 57°F (13.9°C) to 70°F (21.1°C) to mark the beginning of a warmer season. Longer sunshine hours and significant daylight hours add to the pleasant, inviting weather. Weather in May »

Weather in June

June in Slaughter Beach, Delaware, with temperatures varying from 65.5°F (18.6°C) to 78.1°F (25.6°C), officially ushers in the summer. This month enjoys the longest daylight hours and the highest number of sunshine days, perfect for beachgoers and outdoor enthusiasts. Weather in June »

Weather in July

As the heat of July sets in, Slaughter Beach finds itself at the peak of summer with temperatures soaring from 70.7°F (21.5°C) to 83.1°F (28.4°C), the warmest of the year. The long summer days extend the period for outdoor recreational activities. Weather in July »

Weather in August

August in Slaughter Beach maintains the summer heat, but with a slight decrease in temperature from 69.3°F (20.7°C) to 81.5°F (27.5°C). The number of daylight hours starts to recede from the year's peak observed in July. Despite the reduction, the town still retains ample sunny hours. Weather in August »

Weather in September

September in Slaughter Beach, Delaware heralds the arrival of fall, with temperatures ranging from 64°F (17.8°C) to 76.1°F (24.5°C). Less daylight gives way to longer evenings and cooler nights. Prospects of rainfall lessen as well, making way for clearer skies. Weather in September »

Weather in October

October makes a considerable shift from the warmth of summer to far cooler weather in Slaughter Beach, with temperatures dropping between 54.5°F (12.5°C) and 66.2°F (19°C). Increased cloud percentages indicate more overcast days, yet rainfall remains relatively modest. Weather in October »

Weather in November

With temperatures fluctuating from 43.7°F (6.5°C) to 54.5°F (12.5°C), November in Slaughter Beach, Delaware, signifies a transition into winter. Shorter daylight hours and reduced sunshine further bolster the arrival of colder weather. Weather in November »

Weather in December

December brings Slaughter Beach back full circle to winter, with temperatures ranging from 36.3°F (2.4°C) to 46.8°F (8.2°C). Characterized by the shortest daylight hours and reduced sunshine, this month is visibly colder. The frequency of rainfall remains static, but an increment is noticed in snowfall days. Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Slaughter Beach?

January brings the lowest temperatures, with an average high of 40.6°F (4.8°C) and an average low of 29.7°F (-1.3°C).

What is the least humid month in Slaughter Beach?

January and November, with an average relative humidity of 74%, are the least humid months in Slaughter Beach, Delaware.

What is the driest month in Slaughter Beach?

The month with the least rainfall is January, when the rain falls for 8.4 days and typically collects 1.5" (38mm) of precipitation.

How many days does it rain in Slaughter Beach?

Throughout the year, there are 152.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.

When does it snow in Slaughter Beach?

Months with snowfall are January through March, May, November and December.

What is the snowiest month in Slaughter Beach?

The month with the most snowfall in Slaughter Beach, Delaware, is January, when snow falls for 3.3 days and typically aggregates up to 1.22" (31mm) of snow.

How much does it snow in Slaughter Beach?

In Slaughter Beach, during the entire year, snow falls for 10.4 days and aggregates up to 4.29" (109mm) of snow.

What is the month with the lowest UV index in Slaughter Beach?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Slaughter Beach.

What is the month with the least sunshine in Slaughter Beach?

The month with the least sunshine in Slaughter Beach is February, with an average of 5h of sunshine.

When is Daylight Saving Time (DST) in Slaughter Beach?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Slaughter Beach, Delaware, 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 in Slaughter Beach?

April, June through October are months without snowfall in Slaughter Beach, Delaware.

What is the most humid month in Slaughter Beach?

The most humid month in Slaughter Beach, Delaware, is May, with an average relative humidity of 80%.

What are the months with the highest UV index in Slaughter Beach?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Slaughter Beach, Delaware.

When are the longest days in Slaughter Beach?

The month with the longest days is June, with an average of 14h and 54min of daylight.

What are the warmest months in Slaughter Beach?

Slaughter Beach's warmest weather arrives in July, when temperatures average a high of 83.1°F (28.4°C) and a low of 70.7°F (21.5°C).

What month has the most sunshine in Slaughter Beach?

July has the most sunshine of the year, with an average of 10.8h of sunshine.

What is the rainiest month in Slaughter Beach?

The month with the most rainfall is August, when the rain falls for 16 days and typically aggregates up to 3.07" (78mm) of precipitation.

What is the month with the shortest days in Slaughter Beach?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

Average temperature
Slaughter Beach, DE

Average temperature - Slaughter Beach, DE

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure
Slaughter Beach, DE

Average pressure - Slaughter Beach, DE

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
Slaughter Beach, DE

Average wind speed - Slaughter Beach, DE

The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity
Slaughter Beach, DE

Average humidity - Slaughter Beach, DE

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall
Slaughter Beach, DE

Average rainfall - Slaughter Beach, DE

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").

Average rainfall days
Slaughter Beach, DE

Average rainfall days - Slaughter Beach, DE

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

Average snowfall
Slaughter Beach, DE

Average snowfall - Slaughter Beach, DE

The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days
Slaughter Beach, DE

Average snowfall days - Slaughter Beach, DE

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Slaughter Beach, DE

Average daylight / Average sunshine - Slaughter Beach, DE

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days
Slaughter Beach, DE

Average sunshine days - Slaughter Beach, DE

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index
Slaughter Beach, DE

Average UV index - Slaughter Beach, 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 visibility
Slaughter Beach, DE

Average visibility - Slaughter Beach, 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).

Slaughter Beach, Delaware, USA

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