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

The start of February in New Castle marks an average high-temperature of a cold 34.2°F (1.2°C), hardly distinguishable from the conditions in January. The mean low-temperature during February nights is a freezing cold 22.3°F (-5.4°C).

Humidity

The average relative humidity in February is 79%.

Rainfall

In New Castle, in February, during 7.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, in New Castle, there are 144.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.

Snowfall

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

Ocean temperature

In New Castle, the average seawater temperature in February is 38.8°F (3.8°C).
Note: While swimming, this scenario is perilously cold, dangerous, and potentially fatal. Hypothermia is almost imminent without proper insulated waterproof attire.

Daylight

The average length of the day in February in New Castle 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

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

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in New Castle. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in February interprets into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is February in New Castle?

An average high-temperature, in February, in New Castle, is 34.2°F (1.2°C) and the average low-temperature is 22.3°F (-5.4°C).

What is the average humidity in February in New Castle?

The average relative humidity in February in New Castle, New Hampshire, is 79%.

How much does it rain in New Castle in February?

In New Castle, New Hampshire, during February, the rain falls for 7.8 days and regularly aggregates up to 2.09" (53mm) of precipitation.

How much does it snow in New Castle in February?

In New Castle, New Hampshire, during February, snow falls for 8 days and regularly aggregates up to 3.94" (100mm) of snow.

What is the water temperature in February in New Castle?

In New Castle, the average seawater temperature in February 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?

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

When are sunrise and sunset in February in New Castle?

On the first day of February in New Castle, 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 in New Castle?

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

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

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

What are the months with the lowest UV index in New Castle?

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

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

In February, the average daily maximum UV index in New Castle, New Hampshire, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFebruaryMAMJJASOND
Jan
February
Mar
Average high temperature
31.8°F -0.1°C
34.2°F 1.2°C
40.5°F 4.7°C
Average low temperature
21.2°F -6°C
22.3°F -5.4°C
28.8°F -1.8°C
Average pressure
29.99" 762mmHg
29.98" 761mmHg
30.02" 763mmHg
Average wind speed
11.7mph 18.8km/h
11.2mph 18km/h
10.7mph 17.2km/h
Average max. wind speed
12.3mph 19.8km/h
11.9mph 19.2km/h
11.4mph 18.3km/h
Average wind speed gusts
18.5mph 29.8km/h
18mph 29km/h
17mph 27.4km/h
Average humidity
79%
79%
78%
Average rainfall
2.05" 52mm
2.09" 53mm
2.4" 61mm
Average rainfall days
7.5
7.8
11.8
Average snowfall
4.02" 102mm
3.94" 100mm
2.68" 68mm
Average snowfall days
8.8
8
6.8
Average sea temperature
41.5°F 5.3°C
38.8°F 3.8°C
38.5°F 3.6°C
Average daylight
9h 2min
10h 4min
12h 0min
Average sunshine
5h 1min
4h 5min
5h 5min
Average sunshine days
15.9
14.1
13.9
Average UV index
2
2
2
Average cloud cover
45%
48%
50%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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New Castle, New Hampshire, USA

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