January weather forecast
Neptune, WV

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Weather in January

January, the same as December, is another cold winter month in Neptune, West Virginia, with an average temperature varying between 24.3°F (-4.3°C) and 37.6°F (3.1°C).

Temperature

Neptune's coldest temperatures are experienced in January, with average high temperatures of 37.6°F (3.1°C) and lows of 24.3°F (-4.3°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 82%.

Rainfall

In January, in Neptune, the rain falls for 12 days. Throughout January, 2.6" (66mm) of precipitation is accumulated. Throughout the year, in Neptune, there are 178.2 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Neptune. In January, it is snowing for 12.5 days. Throughout January, 4.13" (105mm) of snow is accumulated. In Neptune, during the entire year, snow falls for 40.4 days and aggregates up to 15.91" (404mm) of snow.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of the month, sunrise is at 7:46 am and sunset at 5:14 pm. On the last day of January, sunrise is at 7:34 am and sunset at 5:46 pm EST.

Sunshine

With an average of 3.5h of sunshine, January has the least sunshine of the year in Neptune.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Neptune. 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 maximum daily UV index of 2 in January converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What time of the year is the coldest in Neptune?

Neptune's temperature records reveal January as the coldest month, marked by average highs of 37.6°F (3.1°C) and lows of 24.3°F (-4.3°C).

Is it cold in Neptune during January?

The average high-temperature, in January, in Neptune, is 37.6°F (3.1°C), while the average low-temperature is 24.3°F (-4.3°C).

What are the most humid months in Neptune?

The months with the highest humidity in Neptune are January and February, with an average relative humidity of 82%.

What is the average humidity in January in Neptune?

In Neptune, the average relative humidity in January is 82%.

How much does it rain in Neptune in January?

In Neptune, West Virginia, during January, the rain falls for 12 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How many days does it snow in January in Neptune?

In January, in Neptune, it is snowing for 12.5 days. Throughout January, 4.13" (105mm) of snow is accumulated.

How many hours of daylight does Neptune have in January?

In Neptune, the average day length in January is 9h and 47min.

When is the sunrise / sunset in January in Neptune?

In January, on the first day of the month, sunrise is at 7:46 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:46 pm EST.

What is the month with the least sunshine in Neptune?

With an average of 3.5h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Neptune?

In Neptune, West Virginia, the average sunshine duration in January is 3.5h.

What is the month with the lowest UV index in Neptune?

The months with the lowest UV index in Neptune, West Virginia, are January, February and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Neptune?

In Neptune, West Virginia, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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 January
Neptune, WV

Average temperature in January - Neptune, WV
  • Average high temperature in January: 37.6°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in January
Neptune, WV

Average pressure in January - Neptune, WV
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in January
Neptune, WV

Average wind speed in January - Neptune, WV
  • Average wind speed in January: 6.8mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in January
Neptune, WV

Average humidity in January - Neptune, WV
  • Average humidity in January: 82%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in January
Neptune, WV

Average rainfall in January - Neptune, WV
  • Average rainfall in January: 2.6"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in January
Neptune, WV

Average rainfall days in January - Neptune, WV
  • Average rainfall days in January: 12 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).

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Average snowfall in January
Neptune, WV

Average snowfall in January - Neptune, WV
  • Average snowfall in January: 4.13"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Neptune, WV

Average snowfall days in January - Neptune, WV
  • Average snowfall days in January: 12.5 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Neptune, WV

Average daylight in January / Average sunshine in January - Neptune, WV
  • Average daylight in January: 9h and 5min

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 30min).

  • Average sunshine in January: 3h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in January
Neptune, WV

Average sunshine days in January - Neptune, WV
  • Average sunshine days in January: 10.2 days

The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).

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Average UV index in January
Neptune, WV

Average UV index in January - Neptune, WV
  • Average UV index in January: 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 and December (UV index 2).

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Average cloud cover in January
Neptune, WV

Average cloud cover in January - Neptune, WV
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Neptune, WV

Average visibility in January - Neptune, WV
  • Average visibility in January: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Neptune, West Virginia, USA

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