January weather forecast
Petersburg, WV

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Weather in January

January, the same as December, is an icy winter month in Petersburg, West Virginia, with an average temperature varying between 36.3°F (2.4°C) and 21.6°F (-5.8°C).

Temperature

January is Petersburg's coldest month, registering average high temperatures of 36.3°F (2.4°C) and lows of 21.6°F (-5.8°C).

Humidity

In Petersburg, the average relative humidity in January is 78%.

Rainfall

In Petersburg, in January, it is raining for 14.4 days, with typically 1.85" (47mm) of accumulated precipitation. In Petersburg, during the entire year, the rain falls for 176.4 days and collects up to 25.24" (641mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In January, it is snowing for 10.9 days. Throughout January, 3.78" (96mm) of snow is accumulated. In Petersburg, during the entire year, snow falls for 37.9 days and aggregates up to 15.91" (404mm) of snow.

Daylight

In Petersburg, the average length of the day in January is 9h and 48min.
On the first day of January in Petersburg, sunrise is at 7:35 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:35 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 4.9h of sunshine.

UV index

The months with the lowest UV index in Petersburg are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Petersburg?

January, characterized by an average high temperature of 36.3°F (2.4°C) and a low temperature of 21.6°F (-5.8°C), is generally the coldest month.

How cold is it in Petersburg in January?

The high-temperature, in January, in Petersburg, is 36.3°F (2.4°C), while the low-temperature averages to 21.6°F (-5.8°C).

What is the average humidity in January in Petersburg?

In Petersburg, the average relative humidity in January is 78%.

How much does it rain in Petersburg in January?

In Petersburg, West Virginia, during January, the rain falls for 14.4 days and regularly aggregates up to 1.85" (47mm) of precipitation.

How much does it snow in Petersburg in January?

In January, it is snowing for 10.9 days. Throughout January, 3.78" (96mm) of snow is accumulated.

How many hours of daylight does Petersburg have in January?

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

When are sunrise and sunset in January in Petersburg?

In January, on the first day of the month, sunrise is at 7:35 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:35 pm EST.

What is the month with the least sunshine in Petersburg?

The month with the least sunshine is January, with an average of 4.9h of sunshine.

How long on average sun shines in January in Petersburg?

The average sunshine duration in January in Petersburg is 4.9h.

What are the months with the lowest UV index in Petersburg?

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 January in Petersburg?

In Petersburg, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Petersburg, WV

Average temperature in January - Petersburg, WV
  • Average high temperature in January: 36.3°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in January
Petersburg, WV

Average pressure in January - Petersburg, 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
Petersburg, WV

Average wind speed in January - Petersburg, WV
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in January
Petersburg, WV

Average humidity in January - Petersburg, WV
  • Average humidity in January: 78%

The months with the highest relative humidity are February, September, October and December (79%).
The months with the lowest relative humidity are April, June and July (75%).

Average rainfall in January
Petersburg, WV

Average rainfall in January - Petersburg, WV
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.73").

Average rainfall days in January
Petersburg, WV

Average rainfall days in January - Petersburg, WV
  • Average rainfall days in January: 14.4 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (11.6 days).

Average snowfall in January
Petersburg, WV

Average snowfall in January - Petersburg, WV
  • Average snowfall in January: 3.78"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Petersburg, WV

Average snowfall days in January - Petersburg, WV
  • Average snowfall days in January: 10.9 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Petersburg, 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: 4h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in January
Petersburg, WV

Average sunshine days in January - Petersburg, WV
  • Average sunshine days in January: 11 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (9.7 days).

Average UV index in January
Petersburg, WV

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

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

Average cloud cover in January
Petersburg, WV

Average cloud cover in January - Petersburg, WV
  • Average cloud cover in January: 49

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in January
Petersburg, WV

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

The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is September (4mi).

Petersburg, West Virginia, USA

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