February weather forecast
New Castle, DE

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Weather in February

February continues the frigid trend initiated in January. Generally, the weather conditions display minor variations from January, although there are slight increases in temperature. One is likely to notice more rainy days in this month compared to January. The daylight hours start to extend, hinting towards the impending arrival of spring. Despite this slight glimpse of spring, the cold wind continues to remind New Castle dwellers that winter is still around.

Temperature

New Castle marks the arrival of February with an average high-temperature of a still cold 41.7°F (5.4°C), hardly different from January's 37.8°F (3.2°C). Throughout February, the temperature tends to fall to a consistent average low of 28.4°F (-2°C).

Humidity

In February, the average relative humidity is 77%.

Rainfall

In New Castle, during February, the rain falls for 9 days and regularly aggregates up to 1.46" (37mm) of 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. In New Castle, in February, during 3.9 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, in New Castle, Delaware, there are 15 snowfall days, and 5.47" (139mm) of snow is accumulated.

Ocean temperature

February is the month with the coldest seawater, with an average ocean temperature of 41°F (5°C).
Note: Immersing oneself in 41°F (5°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

The average length of the day in February in New Castle is 10h and 44min.
On the first day of February, sunrise is at 7:10 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 5:53 pm EST.

Sunshine

The month with the least sunshine is February, with an average of 4.9h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in New Castle, Delaware. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 2 during February morphs into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

How cold is February in New Castle?

The average high-temperature, in February, in New Castle, is 41.7°F (5.4°C), while the average low-temperature is 28.4°F (-2°C).

What is the average humidity in February in New Castle?

In New Castle, Delaware, the average relative humidity in February is 77%.

How many days does it rain in February in New Castle?

In February, in New Castle, Delaware, the rain falls for 9 days. Throughout February, 1.46" (37mm) of precipitation is accumulated.

How much does it snow in New Castle in February?

In February, in New Castle, it is snowing for 3.9 days. Throughout February, 1.3" (33mm) of snow is accumulated.

What month is the ocean coldest in New Castle?

With an average ocean temperature of 41°F (5°C), February is the month with the coldest seawater in New Castle, Delaware.

How cold is the water in February in New Castle?

In New Castle, Delaware, the average seawater temperature in February is 41°F (5°C). Swimming in 41°F (5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in February in New Castle?

The average day length in February is 10h and 44min.

What time are sunrise and sunset in February in New Castle?

In February, on the first day of the month, sunrise is at 7:10 am and sunset at 5:21 pm. On the last day of the month, in New Castle, Delaware, sunrise is at 6:35 am and sunset at 5:53 pm EST.

What is the month with the least sunshine in New Castle?

February has the least sunshine of the year in New Castle, Delaware, with an average of 4.9h of sunshine.

How long on average sun shines in February in New Castle?

The average sunshine duration in February in New Castle is 4.9h.

When is the lowest UV index in New Castle?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in New Castle, Delaware.

What is the UV index reading in February in New Castle?

In New Castle, Delaware, the average daily maximum UV index in February is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in February
New Castle, DE

Average temperature in February - New Castle, DE
  • Average high temperature in February: 41.7°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 February: 28.4°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).

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Average pressure in February
New Castle, DE

Average pressure in February - New Castle, DE
  • Average pressure in February: 30.06"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).

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Average wind speed in February
New Castle, DE

Average wind speed in February - New Castle, DE
  • Average wind speed in February: 8.8mph

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).

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Average humidity in February
New Castle, DE

Average humidity in February - New Castle, DE
  • Average humidity in February: 77%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in February
New Castle, DE

Average rainfall in February - New Castle, DE
  • Average rainfall in February: 1.46"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (1.38").

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Average rainfall days in February
New Castle, DE

Average rainfall days in February - New Castle, DE
  • Average rainfall days in February: 9 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).

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Average snowfall in February
New Castle, DE

Average snowfall in February - New Castle, DE
  • Average snowfall in February: 1.3"

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").

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Average snowfall days in February
New Castle, DE

Average snowfall days in February - New Castle, DE
  • Average snowfall days in February: 3.9 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).

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Average sea temperature in February
New Castle, DE

Average sea temperature in February - New Castle, DE
  • Average sea temperature in February: 40.9°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).

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Average daylight in February /
Average sunshine in February
New Castle, DE

Average daylight in February / Average sunshine in February - New Castle, DE
  • Average daylight in February: 10h and 4min

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 February: 4h and 5min

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).

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Average sunshine days in February
New Castle, DE

Average sunshine days in February - New Castle, DE
  • Average sunshine days in February: 16.1 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).

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Average UV index in February
New Castle, DE

Average UV index in February - New Castle, DE
  • Average UV index in February: 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).

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Average cloud cover in February
New Castle, DE

Average cloud cover in February - New Castle, DE
  • Average cloud cover in February: 46

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).

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Average visibility in February
New Castle, DE

Average visibility in February - New Castle, DE
  • Average visibility in February: 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).

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New Castle, Delaware, USA

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