January weather forecast
Sias, WV

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Weather in January

January, like December, in Sias, West Virginia, is another cold winter month, with an average temperature fluctuating between 39.7°F (4.3°C) and 26.1°F (-3.3°C).

Temperature

Sias's coldest month, January, registers temperatures that range from a high of 39.7°F (4.3°C) to a low of 26.1°F (-3.3°C).

Humidity

In Sias, the average relative humidity in January is 80%.

Rainfall

In Sias, in January, during 11.6 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Sias, during the entire year, the rain falls for 166.7 days and collects up to 26.57" (675mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Sias. January is the month with the most snowfall. Snow falls for 11.4 days and accumulates 3.82" (97mm) of snow.

Daylight

In January, the average length of the day is 9h and 52min.
On the first day of the month, sunrise is at 7:44 am and sunset at 5:18 pm. On the last day of January, in Sias, sunrise is at 7:34 am and sunset at 5:49 pm EST.

Sunshine

With an average of 3.7h of sunshine, January has the least sunshine of the year.

UV index

January, February, 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 low threat to health from exposure to the Sun's UV rays for the average person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January, with an average high of 39.7°F (4.3°C) and a low of 26.1°F (-3.3°C), signifies the coldest month of the year.

Is it cold during January?

The high-temperature, in January, in Sias, records 39.7°F (4.3°C), while the low-temperature is 26.1°F (-3.3°C).

What is the average humidity in January?

In Sias, the average relative humidity in January is 80%.

How much does it rain in January?

In January, the rain falls for 11.6 days. Throughout January, 1.77" (45mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 11.4 days and typically aggregates up to 3.82" (97mm) of snow.

How many days does it snow in January?

In Sias, in January, during 11.4 snowfall days, 3.82" (97mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 52min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:44 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:49 pm EST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 3.7h.

What are the months with the lowest UV index?

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

What is the UV index intensity in January?

The average daily maximum UV index in January in Sias is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Sias, WV

Average temperature in January - Sias, WV
  • Average high temperature in January: 39.7°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in January: 26.1°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in January
Sias, WV

Average pressure in January - Sias, WV
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in January
Sias, WV

Average wind speed in January - Sias, WV
  • Average wind speed in January: 6.5mph

The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in January
Sias, WV

Average humidity in January - Sias, WV
  • Average humidity in January: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (75%).

Average rainfall in January
Sias, WV

Average rainfall in January - Sias, WV
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in January
Sias, WV

Average rainfall days in January - Sias, WV
  • Average rainfall days in January: 11.6 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in January
Sias, WV

Average snowfall in January - Sias, WV
  • Average snowfall in January: 3.82"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Sias, WV

Average snowfall days in January - Sias, WV
  • Average snowfall days in January: 11.4 days

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in January
Sias, WV

Average sunshine days in January - Sias, WV
  • Average sunshine days in January: 11.1 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in January
Sias, WV

Average UV index in January - Sias, 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, November and December (UV index 2).

Average cloud cover in January
Sias, WV

Average cloud cover in January - Sias, WV
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Sias, WV

Average visibility in January - Sias, 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).

Sias, West Virginia, USA

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