Climate and monthly weather forecastSelbyville, DE
Climate and monthly weather forecast
The climate of Selbyville
Situated in the state of Delaware, the US, Selbyville boasts a Humid subtropical climate, officially classified as Cfa per the Köppen climate classification. In this climate, no specific dry season occurs and it receives sufficient rainfall all year round.Throughout the year, the climatic factors exhibit distinct variations. Temperatures fluctuate from an average low of 32.9°F (0.5°C) in the winter months to an average high of 80.2°F (26.8°C) during the peak summer. This temperature difference marks the shift from the chill of winter to the warmth of summer, which then cools off in the transition to autumn.
Rain plays an integral role in Selbyville's climate. The city witnesses an annual precipitation ranging from the lowest of 1.5" (38mm) in January to the highest of 2.87" (73mm) in July and August. On the other side, the daylight duration floats between the shortest span of 9.8 hours in January to the maximum span of 14.8 hours in June. It's important to note that the UV index fluctuates on a moderate scale throughout the year, with the highest intensity observed during the summer months, peaking at 6. Moreover, a regular wind speed between 8.7mph (14km/h) and 12.8mph (20.6km/h) is observed, enhancing the city's climatic dynamics.
The best time to visit Selbyville
Determining the best time to visit Selbyville largely depends on visitors' preferences. However, for pleasant temperatures and comparatively lower rainfall, May offers the ideal balance. During this period, the average high temperature peaks up to 66.2°F (19°C), coupled with modest precipitation of just 2.2" (56mm). For outdoor enthusiasts or those in pursuit of daylight, June brings the longest daylight hours with an average of 14.8 hours, just perfect for all-day activities.The worst time to visit Selbyville
The period when it rains the most in Selbyville is July and August, with an average rainfall of 2.87" (73mm). For tourists who prefer to avoid such high precipitation levels, these months might not be the best bet. Additionally, the height of winter in January brings chilly weather, recording an average low temperature of 32.9°F (0.5°C). Frequent snowfall during this month, accumulating up to 0.83" (21mm), may pose challenges for some tourists.Spring weather in Selbyville
The beginning of Spring in Selbyville sees a timely exit from the deep winter, with temperatures starting to climb steadily from 48.2°F (9°C) in March to 57.4°F (14.1°C) in April, peaking at 66.2°F (19°C) in May. The weather remains mostly comfortable, and the daylight extends from 12 hours in March to 14.3 hours in May. The relative humidity throughout this season stays around 78%. Travelers during this season encounter rainfall ranging from 2.13" (54mm) in March to a slightly higher 2.2" (56mm) in May.Summer weather in Selbyville
Summers in Selbyville are generally warm, with the average high temperature from 75°F (23.9°C) in June up to 80.2°F (26.8°C) in July and a slight dip to 79.7°F (26.5°C) in August. The precipitation during these months runs highest in the year, averaging 2.24" (57mm) in June and peaking at 2.87" (73mm) in July and August. This season also comes with the most extended daylight hours of the year, hitting an average of 14.5 to 14.8 hours, while relative humidity averages at 79%.Autumn weather in Selbyville
Autumn witnesses a drastic decline in temperatures, gradually falling from 74.3°F (23.5°C) in September to 65.3°F (18.5°C) in October, further down to 55°F (12.8°C) in November. Alongside temperature, daylight hours also decrease from 12.4 hours in September to 10.1 hours by November. The average precipitation is 2.8" (71mm) in October, highest for the season, and reduces to 1.81" (46mm) in November.Winter weather in Selbyville
Selbyville's winters bring about a chilling atmosphere as temperature averages drop significantly. The warmth of November descends to an average low of 39.7°F (4.3°C) by December, further down to 32.9°F (0.5°C) in January before a slight rise to 34.3°F (1.3°C) in February. Besides, the city experiences snowfall in this season, accumulating an average of 0.83" (21mm) in January and reducing to 0.35" (9mm) in February. Shorter daylight durations, starting from 9.5 hours in December to 10.8 hours in February, further intensify the brisk winter in Selbyville.Weather in January
The yearly cycle commences in Selbyville, Delaware, with January’s frigid temperatures, falling as low as 32.9°F (0.5°C), coupled with an average of 2.6 snowfall days. This month exhibits a distinctive wintry charm, coated with frosty mornings and crisp nights. Weather in January »Weather in February
February's climate in Selbyville manifests a mild augmentation from January, possessing sporadic bouts of frosty chills. Sunlight becomes a more common guest, adding a touch of warmth to the brisk February days. Despite the shortest duration of the year, February becomes a period where the transition between the extremities of winter and the onset of spring is observed. Weather in February »Weather in March
The weather in March introduces a noticeable deviation from February’s wintry conditions to a gentler spring atmosphere in Selbyville. The temperature rises to a high of 48.2°F (9°C), significant precipitation replaces the snowfall that dominated earlier months, and daylight starts to dominate, lasting up to 12 hours. Weather in March »Weather in April
In Selbyville, April presents a bounty of spring vibes, firmly separating itself from the vestiges of the wintry chill. The temperature swings are less severe, and the monthly rainfall amounts to 1.73" (44mm). Daylight and sunshine hours mount, ushering more opportunities to explore and appreciate the budding springtime in this town. Weather in April »Weather in May
Selbyville greets May with rising temperatures and an increased — but not yet dominating — humidity. The weather is warmer, with bright, sunny days stretching to as long as 14.3 hours of daylight. A quick temperature rise and resultant shift in weather patterns lead to a disproportionally large amount of rainfall. Weather in May »Weather in June
June’s weather in Selbyville lays the foundation for summer, witnessing the month's peak temperature of 75°F (23.9°C). The additional sunlight that floods the city extends daylight hours, inciting invigorating vibes. Recreational activities abound, with mild winds and plenty of sunshine creating pleasing days. Weather in June »Weather in July
In Selbyville, July arrives awaiting the crest of summer, demonstrating the year's ultimate temperatures, reaching up to 80.2°F (26.8°C). Together with the heightened temperature, humidity lingers considerably, with only nominal wind to alleviate the warmth. Weather in July »Weather in August
August in Selbyville continues the rigors of summer, although temperatures slightly retreat from July’s peak, making it a tad more tolerable. The weather remains predominantly warm, with moderate winds that seem to carry hints of the forthcoming change. Weather in August »Weather in September
September graces Selbyville with a transition period, marking the end of summer and the advent of fall. The highest temperature averages around 74.3°F (23.5°C), and rainfall is registered at 1.85" (47mm). Slightly cooler weather becomes recurrent towards the latter half of the month, and the air briskness denotes the impending change. Weather in September »Weather in October
October in Selbyville embodies the true spirit of fall. The average top temperature falls to 65.3°F (18.5°C), and the rainfall amount escalates to 2.8" (71mm). Robust, earthy hues are commonplace, transforming the town into an artist's palette. Weather in October »Weather in November
The weather in November takes a cool turn in Selbyville, where temperatures descend to a minimum of 46.9°F (8.3°C). The festive fall atmosphere tends to diminish as the town inches closer to another round of winter. November's calm before the storm allures with its dramatic sunsets and crisp, cool days. Weather in November »Weather in December
In Selbyville, December ushers in the beauty of winter, with temperatures often plunging to 39.7°F (4.3°C). The festive month sparkles under a silver coating of frost, with the weather transforming to paint a perfect winter wonderland. Weather in December »Updated: Feb 10, 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
The month of January, characterized by an average high of 42.1°F (5.6°C) and a low of 32.9°F (0.5°C), is recognized as the coldest in Selbyville.
The months with the lowest humidity are January and November, with an average relative humidity of 74%.
The month with the least rainfall in Selbyville is January, when the rain falls for 7.4 days and typically collects 1.5" (38mm) of precipitation.
Throughout the year, there are 144.6 rainfall days, and 25.51" (648mm) of precipitation is accumulated.
Months with snowfall are January through March, November and December.
Throughout the year, there are 8.8 snowfall days, and 2.48" (63mm) of snow is accumulated.
The months with the lowest UV index in Selbyville are January and December, with an average maximum UV index of 2.
The month with the most snowfall is February, when snow falls for 2.5 days and typically aggregates up to 0.87" (22mm) of snow.
February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Selbyville.
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 Selbyville, Delaware, snow does not fall in April through October.
The most humid month is May, with an average relative humidity of 82%.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Selbyville.
June has the longest days of the year in Selbyville, Delaware, with an average of 14h and 48min of daylight.
Selbyville's temperature records reveal July as the warmest month, marked by average highs of 80.2°F (26.8°C) and lows of 73.4°F (23°C).
The wettest months are July and August, with an average 2.87" (73mm) of rainfall.
With an average of 10.9h of sunshine, July has the most sunshine of the year.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Selbyville, DE
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (42.1°F).
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure
Selbyville, 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:
30.02"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
Selbyville, DE
- Average wind speed in January:
12.8mph - Average wind speed in February:
12.6mph - Average wind speed in March:
12.7mph - Average wind speed in April:
12.5mph - Average wind speed in May:
10.7mph - Average wind speed in June:
9.8mph
- Average wind speed in July:
8.9mph - Average wind speed in August:
8.7mph - Average wind speed in September:
10.6mph - Average wind speed in October:
12.1mph - Average wind speed in November:
12.4mph - Average wind speed in December:
12.2mph
The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity
Selbyville, DE
The month with the highest relative humidity is May (82%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall
Selbyville, DE
- Average rainfall in January:
1.5" - Average rainfall in February:
1.81" - Average rainfall in March:
2.13" - Average rainfall in April:
1.73" - Average rainfall in May:
2.2" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.87" - Average rainfall in September:
1.85" - Average rainfall in October:
2.8" - Average rainfall in November:
1.81" - Average rainfall in December:
1.69"
The wettest months (with the highest rainfall) are July and August (2.87").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days
Selbyville, DE
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall
Selbyville, DE
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Selbyville, DE
- Average snowfall days in January:
2.6 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
1.5 days - Average snowfall days in April:
0.2 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:
0.3 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Selbyville, 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 30min - 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 24min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 54min - 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 36min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days
Selbyville, DE
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
15 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
13 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (12.9 days).
Average UV index
Selbyville, 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
Selbyville, DE
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Selbyville, 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).
