January weather forecast
Porterwood, WV

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Weather in January

January, the same as December, is another cold winter month in Porterwood, West Virginia, with an average temperature fluctuating between 19.9°F (-6.7°C) and 33.6°F (0.9°C).

Temperature

January, known for its average high temperature of 33.6°F (0.9°C) and an average low temperature of 19.9°F (-6.7°C), is the coldest month.

Humidity

January and February, with an average relative humidity of 85%, are the most humid months.

Rainfall

In January, the rain falls for 13.3 days. Throughout January, 3.23" (82mm) of precipitation is accumulated. Throughout the year, there are 194.8 rainfall days, and 37.2" (945mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 16.8 days and typically aggregates up to 8.86" (225mm) of snow.

Daylight

In Porterwood, the average length of the day in January is 9h and 48min.
On the first day of January, sunrise is at 7:37 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:38 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 3.5h 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. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, an average UV index of 2 transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The lowest temperatures are recorded in January, with averages reaching a high of 33.6°F (0.9°C) and a low of 19.9°F (-6.7°C).

How cold is January?

The high-temperature, in January, in Porterwood, records 33.6°F (0.9°C), while the low-temperature is 19.9°F (-6.7°C).

What are the most humid months?

January and February, with an average relative humidity of 85%, are most humid months.

What is the average humidity in January?

In Porterwood, the average relative humidity in January is 85%.

How much does it rain in January?

In January, the rain falls for 13.3 days. Throughout January, 3.23" (82mm) of precipitation is accumulated.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 16.8 days and accumulates 8.86" (225mm) of snow.

How much does it snow in January?

In Porterwood, in January, during 16.8 snowfall days, 8.86" (225mm) of snow is typically accumulated.

How many hours of daylight does Porterwood have in January?

In January, the average day length is 9h and 48min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:37 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:38 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in January in Porterwood?

In January, the average sunshine duration is 3.5h.

When is the lowest UV index?

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

How high is the UV index in January?

In Porterwood, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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 January
Porterwood, WV

Average temperature in January - Porterwood, WV
  • Average high temperature in January: 33.6°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in January: 19.9°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

Average pressure in January
Porterwood, WV

Average pressure in January - Porterwood, WV
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in January
Porterwood, WV

Average wind speed in January - Porterwood, WV
  • Average wind speed in January: 8.3mph

The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in January
Porterwood, WV

Average humidity in January - Porterwood, WV
  • Average humidity in January: 85%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June, July and November (79%).

Average rainfall in January
Porterwood, WV

Average rainfall in January - Porterwood, WV
  • Average rainfall in January: 3.23"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in January
Porterwood, WV

Average rainfall days in January - Porterwood, WV
  • Average rainfall days in January: 13.3 days

The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is February (11.2 days).

Average snowfall in January
Porterwood, WV

Average snowfall in January - Porterwood, WV
  • Average snowfall in January: 8.86"

The month with the highest snowfall is January (8.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Porterwood, WV

Average snowfall days in January - Porterwood, WV
  • Average snowfall days in January: 16.8 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Porterwood, 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: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in January
Porterwood, WV

Average sunshine days in January - Porterwood, WV
  • Average sunshine days in January: 6.5 days

The months with the most sunshine days are October and November (13.3 days).
The month with the least sunshine days is January (6.5 days).

Average UV index in January
Porterwood, WV

Average UV index in January - Porterwood, WV
  • Average UV index in January: 2

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

Average cloud cover in January
Porterwood, WV

Average cloud cover in January - Porterwood, WV
  • Average cloud cover in January: 67

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in January
Porterwood, WV

Average visibility in January - Porterwood, WV
  • Average visibility in January: 4mi

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

Porterwood, West Virginia, USA

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