February weather forecast
Alton, NH

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Weather in February

As deep winter takes hold in Alton, activity continues with a steady rhythm. With temperatures slightly higher than January, the extreme chill begins to ease. February holds its unique charm with a bit more snowfall, registering up to 9.84" (250mm). While this increase in snowfall may delight winter sport enthusiasts, those looking towards spring may find comfort in the gradually lengthening daylight hours. Bridging the gap between the harshest winter conditions and the onset of spring, February's weather patterns are a transitional phase in Alton's climatic calendar.

Temperature

The commencement of February notes an average high-temperature of a still subzero cold 29.3°F (-1.5°C), exhibiting little difference from the previous month. Nighttime temperatures in February average to a still subzero cold 14.4°F (-9.8°C).

Humidity

January and February, with an average relative humidity of 86%, are the most humid months.

Rainfall

In Alton, during February, the rain falls for 8.3 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Alton, during the entire year, the rain falls for 152 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is February, when snow falls for 12.4 days and typically aggregates up to 9.84" (250mm) of snow.

Daylight

In Alton, the average length of the day in February is 10h and 32min.
On the first day of February in Alton, sunrise is at 7:01 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 5:32 pm EST.

Sunshine

The month with the least sunshine is February, with an average of 4.5h of sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in February suggests the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is February?

In February, the average high-temperature and low-temperature are 29.3°F (-1.5°C) and 14.4°F (-9.8°C) respectively.

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 86%.

What is the average humidity in February?

In Alton, New Hampshire, the average relative humidity in February is 86%.

How much does it rain in February?

In Alton, in February, during 8.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When does it snow the most?

February is the month with the most snowfall in Alton. Snow falls for 12.4 days and accumulates 9.84" (250mm) of snow.

How much does it snow in February?

In February, it is snowing for 12.4 days. Throughout February, 9.84" (250mm) of snow is accumulated.

What is the average length of the day in February?

In February, the average day length is 10h and 32min.

When is the sunrise / sunset in February?

In February, on the first day of the month, sunrise is at 7:01 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 5:32 pm EST.

What is the month with the least sunshine?

With an average of 4.5h of sunshine, February has the least sunshine of the year.

How long on average sun shines in February?

In February, the average sunshine duration is 4.5h.

What is the month with the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Alton.

What is the UV index reading in February?

In February, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFebruaryMAMJJASOND
Jan
February
Mar
Average high temperature
26.1°F -3.3°C
29.3°F -1.5°C
37.9°F 3.3°C
Average low temperature
12.9°F -10.6°C
14.4°F -9.8°C
22.5°F -5.3°C
Average pressure
30" 762mmHg
29.98" 761mmHg
30.03" 763mmHg
Average wind speed
7.1mph 11.4km/h
7.1mph 11.4km/h
6.9mph 11.1km/h
Average max. wind speed
7.8mph 12.6km/h
7.7mph 12.4km/h
7.5mph 12.1km/h
Average wind speed gusts
11.7mph 18.8km/h
11.5mph 18.5km/h
10.9mph 17.5km/h
Average humidity
86%
86%
84%
Average rainfall
2.17" 55mm
2.13" 54mm
2.24" 57mm
Average rainfall days
10
8.3
11.7
Average snowfall
7.36" 187mm
9.84" 250mm
7.24" 184mm
Average snowfall days
13.2
12.4
11.6
Average daylight
9h 2min
10h 3min
12h 0min
Average sunshine
4h 5min
4h 3min
5h 3min
Average sunshine days
14.7
12.6
11.9
Average UV index
2
2
2
Average cloud cover
48%
51%
52%
Average visibility
5mi 8km
4mi 6.4km
5mi 8km

Average temperature in February
Alton, NH

Average temperature in February - Alton, NH
  • Average high temperature in February: 29.3°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in February: 14.4°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in February
Alton, NH

Average pressure in February - Alton, 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 (29.91"Hg).

Average wind speed in February
Alton, NH

Average wind speed in February - Alton, NH
  • Average wind speed in February: 7.1mph

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in February
Alton, NH

Average humidity in February - Alton, NH
  • Average humidity in February: 86%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).

Average rainfall in February
Alton, NH

Average rainfall in February - Alton, NH
  • Average rainfall in February: 2.13"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in February
Alton, NH

Average rainfall days in February - Alton, NH
  • Average rainfall days in February: 8.3 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in February
Alton, NH

Average snowfall in February - Alton, NH
  • Average snowfall in February: 9.84"

The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in February
Alton, NH

Average snowfall days in February - Alton, NH
  • Average snowfall days in February: 12.4 days

The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in February /
Average sunshine in February
Alton, NH

Average daylight in February / Average sunshine in February - Alton, NH
  • Average daylight in February: 10h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in February: 4h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in February
Alton, NH

Average sunshine days in February - Alton, NH
  • Average sunshine days in February: 12.6 days

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.4 days).

Average UV index in February
Alton, NH

Average UV index in February - Alton, NH
  • Average UV index in February: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in February
Alton, NH

Average cloud cover in February - Alton, NH
  • Average cloud cover in February: 51

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in February
Alton, NH

Average visibility in February - Alton, NH
  • Average visibility in February: 4mi

The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).

Alton, New Hampshire, USA

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