November weather forecastNew Castle, DE
November
Weather in November
November ushers in the early onset of winter in New Castle, leading to a further drop in temperature. The noticeable dip in the average high temperature from 64.8°F (18.2°C) in October to 53.2°F (11.8°C) in November signifies the change. The first snow of the year is recorded, advancing the winter season. Despite November's cooler weather, daylight hours reduce at a slow pace. The atmospheric pressure is on the rise, indicating the upcoming cold weather.Temperature
Stepping into November, New Castle observes a temperature decline, with the average high falling from October's comfortable 64.8°F (18.2°C) to a fresh 53.2°F (11.8°C). During November, the nighttime temperature averages of 39.6°F (4.2°C).Humidity
In New Castle, Delaware, the average relative humidity in November is 74%.Rainfall
In New Castle, in November, it is raining for 8 days, with typically 1.42" (36mm) of accumulated precipitation. In New Castle, during the entire year, the rain falls for 143.2 days and collects up to 21.89" (556mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. November is the first month it typically snows. Throughout November, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. In New Castle, Delaware, during the entire year, snow falls for 15 days and aggregates up to 5.47" (139mm) of snow.Ocean temperature
In November, the average ocean temperature is 55.4°F (13°C).Note: In 55.4°F (13°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).
Daylight
In November, the average length of the day is 10h and 1min.On the first day of November, sunrise is at 7:31 am and sunset at 6:00 pm EDT. On the last day of the month, sunrise is at 7:03 am and sunset at 4:38 pm EST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from EDT to EST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from EST to EDT.
Sunshine
In November, the average sunshine is 5.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In November, the maximum UV index of 2 suggests these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
New Castle, DE
- Average high temperature in November: 53.2°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in November: 39.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in November
New Castle, DE
- Average pressure in November: 30.13"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in November
New Castle, DE
- Average wind speed in November: 7.8mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in November
New Castle, DE
- Average humidity in November: 74%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in November
New Castle, DE
- Average rainfall in November: 1.42"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in November
New Castle, DE
- Average rainfall days in November: 8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in November
New Castle, DE
- Average snowfall in November: 0.2"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in November
New Castle, DE
- Average snowfall days in November: 0.4 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in November
New Castle, DE
- Average sea temperature in November: 55.5°F
The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (40.9°F).
Average daylight in November /
Average sunshine in November
New Castle, DE
- Average daylight in November: 10h and 0min
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 24min).
- Average sunshine in November: 5h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in November
New Castle, DE
- Average sunshine days in November: 20.1 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in November
New Castle, DE
- Average UV index in November: 2
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, February, November and December (UV index 2).
Average cloud cover in November
New Castle, DE
- Average cloud cover in November: 36
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in November
New Castle, DE
- Average visibility in November: 6mi
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).
