February weather forecast
New Castle, NH

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Weather in February

By February, New Castle experiences a slight increase in temperatures, but it does not alleviate the winter severity much. Significant snowfall continues from January, although the frequency of snowy days and total snowfall both see a marginal reduction. The daylight hours extend, contributing to a slightly longer sunshine duration. Still, overcast conditions prevail most days, keeping the city's weather on the cooler side.

Temperature

February's weather displays an average high-temperature of an icy 34.2°F (1.2°C), slightly varied from January's 31.8°F (-0.1°C). The average low-temperature, in February, is a subzero cold 22.3°F (-5.4°C).

Humidity

In February, the average relative humidity is 79%.

Rainfall

In New Castle, in February, it is raining for 7.8 days, with typically 2.09" (53mm) of accumulated precipitation. In New Castle, during the entire year, the rain falls for 144.2 days and collects up to 27.48" (698mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In February, it is snowing for 8 days. Throughout February, 3.94" (100mm) of snow is accumulated. In New Castle, during the entire year, snow falls for 35.2 days and aggregates up to 16.97" (431mm) of snow.

Ocean temperature

In February, the average ocean temperature is 38.8°F (3.8°C).
Note: In the water-based sport of swimming, this state is life-threatening and exceedingly dangerous. The freezing water causes severe discomfort, leading to rapid hyperventilation. A specialized swimsuit is compulsory to avert thermal damage.

Daylight

In New Castle, the average length of the day in February is 10h and 33min.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:54 pm. On the last day of February, sunrise is at 6:19 am and sunset at 5:31 pm EST.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

UV index

January through March, 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 health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 during February translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in February?

The high-temperature, in February, in New Castle, is 34.2°F (1.2°C), while the low-temperature averages to 22.3°F (-5.4°C).

What is the average humidity in February?

The average relative humidity in February is 79%.

How much does it rain in February?

In February, the rain falls for 7.8 days. Throughout February, 2.09" (53mm) of precipitation is accumulated.

How much does it snow in February?

In February, it is snowing for 8 days. Throughout February, 3.94" (100mm) of snow is accumulated.

How cold is the water in February?

In February, the average ocean temperature is 38.8°F (3.8°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in February?

In New Castle, the average day length in February is 10h and 33min.

What time are sunrise and sunset in February?

In February, on the first day of the month, sunrise is at 6:58 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 5:31 pm EST.

What are the months with the least sunshine?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

How many hours of sunshine does New Castle have in February?

In New Castle, the average sunshine duration in February is 4.8h.

What is the month with the lowest UV index in New Castle?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in February?

In New Castle, the average daily maximum UV index in February is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe 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, NH

Average temperature in February - New Castle, NH
  • Average high temperature in February: 34.2°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in February: 22.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in February
New Castle, NH

Average pressure in February - New Castle, NH
  • Average pressure in February: 29.98"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in February
New Castle, NH

Average wind speed in February - New Castle, NH
  • Average wind speed in February: 11.2mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in February
New Castle, NH

Average humidity in February - New Castle, NH
  • Average humidity in February: 79%

The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).

Average rainfall in February
New Castle, NH

Average rainfall in February - New Castle, NH
  • Average rainfall in February: 2.09"

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in February
New Castle, NH

Average rainfall days in February - New Castle, NH
  • Average rainfall days in February: 7.8 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in February
New Castle, NH

Average snowfall in February - New Castle, NH
  • Average snowfall in February: 3.94"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in February
New Castle, NH

Average snowfall days in February - New Castle, NH
  • Average snowfall days in February: 8 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in February
New Castle, NH

Average sea temperature in February - New Castle, NH
  • Average sea temperature in February: 38.8°F

The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in February: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in February
New Castle, NH

Average sunshine days in February - New Castle, NH
  • Average sunshine days in February: 14.1 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in February
New Castle, NH

Average UV index in February - New Castle, NH
  • Average UV index in February: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in February
New Castle, NH

Average cloud cover in February - New Castle, NH
  • Average cloud cover in February: 48

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in February
New Castle, NH

Average visibility in February - New Castle, NH
  • 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).

New Castle, New Hampshire, USA

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