January weather forecast
Clay, WV

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Weather in January

January, the same as December, is a wintry winter month in Clay, West Virginia, with an average temperature ranging between max 36.5°F (2.5°C) and min 23.2°F (-4.9°C).

Temperature

In Clay, January records the lowest average temperatures, peaking at 36.5°F (2.5°C) and reaching a low of 23.2°F (-4.9°C).

Humidity

January and February, with an average relative humidity of 84%, are the most humid months in Clay.

Rainfall

In January, the rain falls for 13.4 days. Throughout January, 3.11" (79mm) of precipitation is accumulated. In Clay, during the entire year, the rain falls for 190.3 days and collects up to 36.93" (938mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 16.3 days and accumulates 8.94" (227mm) of snow.

Daylight

In Clay, West Virginia, the average length of the day in January is 9h and 51min.
On the first day of January, sunrise is at 7:41 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:44 pm EST.

Sunshine

The month with the least sunshine in Clay is January, with an average of 3.8h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What part of the year is the coldest in Clay?

January brings the lowest temperatures in Clay, with an average high of 36.5°F (2.5°C) and an average low of 23.2°F (-4.9°C).

How cold is it in Clay in January?

Clay in January has an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 23.2°F (-4.9°C).

What are the most humid months in Clay?

The months with the highest humidity are January and February, with an average relative humidity of 84%.

What is the average humidity in January in Clay?

In January, the average relative humidity in Clay is 84%.

How many days does it rain in January in Clay?

In Clay, West Virginia, during January, the rain falls for 13.4 days and regularly aggregates up to 3.11" (79mm) of precipitation.

What is the snowiest month in Clay?

The month with the most snowfall in Clay, West Virginia, is January, when snow falls for 16.3 days and typically aggregates up to 8.94" (227mm) of snow.

How many days does it snow in January in Clay?

In January, in Clay, West Virginia, it is snowing for 16.3 days. Throughout January, 8.94" (227mm) of snow is accumulated.

What is the average length of the day in January in Clay?

In January, the average day length in Clay is 9h and 51min.

When is the sunrise / sunset in January in Clay?

On the first day of January, sunrise is at 7:41 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:44 pm EST.

What is the month with the least sunshine in Clay?

The month with the least sunshine in Clay, West Virginia, is January, with an average of 3.8h of sunshine.

How long on average sun shines in January in Clay?

The average sunshine duration in January is 3.8h.

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

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 reading in January in Clay?

In January, the average daily maximum UV index in Clay is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
41.9°F 5.5°C
36.5°F 2.5°C
40.8°F 4.9°C
Average low temperature
30°F -1.1°C
23.2°F -4.9°C
26.6°F -3°C
Average pressure
30.14" 766mmHg
30.14" 766mmHg
30.1" 765mmHg
Average wind speed
6.7mph 10.8km/h
7.3mph 11.7km/h
7.3mph 11.7km/h
Average max. wind speed
7.3mph 11.7km/h
7.9mph 12.7km/h
8mph 12.9km/h
Average wind speed gusts
10.9mph 17.5km/h
11.5mph 18.5km/h
11.6mph 18.7km/h
Average humidity
82%
84%
84%
Average rainfall
3.58" 91mm
3.11" 79mm
3.74" 95mm
Average rainfall days
14.5
13.4
12.6
Average snowfall
7.72" 196mm
8.94" 227mm
8.66" 220mm
Average snowfall days
12.2
16.3
13.7
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
4h 2min
3h 5min
4h 4min
Average sunshine days
8.6
7.1
6.8
Average UV index
2
2
2
Average cloud cover
58%
64%
60%
Average visibility
5mi 8km
4mi 6.4km
4mi 6.4km

Average temperature in January
Clay, WV

Average temperature in January - Clay, WV
  • Average high temperature in January: 36.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in January: 23.2°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in January
Clay, WV

Average pressure in January - Clay, WV
  • Average pressure in January: 30.14"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).

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Average wind speed in January
Clay, WV

Average wind speed in January - Clay, WV
  • Average wind speed in January: 7.3mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in January
Clay, WV

Average humidity in January - Clay, WV
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).

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Average rainfall in January
Clay, WV

Average rainfall in January - Clay, WV
  • Average rainfall in January: 3.11"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in January
Clay, WV

Average rainfall days in January - Clay, WV
  • Average rainfall days in January: 13.4 days

The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).

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Average snowfall in January
Clay, WV

Average snowfall in January - Clay, WV
  • Average snowfall in January: 8.94"

The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Clay, WV

Average snowfall days in January - Clay, WV
  • Average snowfall days in January: 16.3 days

The month with the highest number of snowfall days is January (16.3 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
Clay, WV

Average daylight in January / Average sunshine in January - Clay, 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 30min).

  • Average sunshine in January: 3h and 5min

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 48min).

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Average sunshine days in January
Clay, WV

Average sunshine days in January - Clay, WV
  • Average sunshine days in January: 7.1 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).

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Average UV index in January
Clay, WV

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

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Average cloud cover in January
Clay, WV

Average cloud cover in January - Clay, WV
  • Average cloud cover in January: 64

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
Clay, WV

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

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

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Clay, West Virginia, USA

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