January weather forecast
Mellville, WV

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Weather in January

January, like December, in Mellville, West Virginia, is a wintry winter month, with an average temperature ranging between max 39.7°F (4.3°C) and min 26.1°F (-3.3°C).

Temperature

Mellville reaches its lowest average temperatures in January, measuring 39.7°F (4.3°C) at the peak and 26.1°F (-3.3°C) at the lowest.

Humidity

In Mellville, the average relative humidity in January is 81%.

Rainfall

In Mellville, in January, it is raining for 12.4 days, with typically 2.72" (69mm) of accumulated precipitation. In Mellville, West Virginia, during the entire year, the rain falls for 181.3 days and collects up to 34.37" (873mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 11.6 days and typically aggregates up to 4.53" (115mm) of snow.

Daylight

In Mellville, the average length of the day in January is 9h and 54min.
On the first day of January, sunrise is at 7:43 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:49 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Mellville reaches its average lowest temperatures in January, measuring 39.7°F (4.3°C) at the peak and 26.1°F (-3.3°C) at the lowest.

How cold is it in January?

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

What is the average humidity in January in Mellville?

In Mellville, the average relative humidity in January is 81%.

How many days does it rain in January?

In Mellville, in January, during 12.4 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall in Mellville is January, when snow falls for 11.6 days and typically aggregates up to 4.53" (115mm) of snow.

How many days does it snow in January?

In January, in Mellville, it is snowing for 11.6 days. Throughout January, 4.53" (115mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 54min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:43 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:49 pm EST.

What is the month with the least sunshine?

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

How many hours of sunshine does Mellville have in January?

In January, the average sunshine duration is 3.8h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Mellville, WV

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

The warmest month (with the highest average high temperature) is July (85.8°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 (62.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in January
Mellville, WV

Average pressure in January - Mellville, 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
Mellville, WV

Average wind speed in January - Mellville, 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 (4mph).

Average humidity in January
Mellville, WV

Average humidity in January - Mellville, WV
  • Average humidity in January: 81%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (76%).

Average rainfall in January
Mellville, WV

Average rainfall in January - Mellville, WV
  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in January
Mellville, WV

Average rainfall days in January - Mellville, WV
  • Average rainfall days in January: 12.4 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.8 days).

Average snowfall in January
Mellville, WV

Average snowfall in January - Mellville, WV
  • Average snowfall in January: 4.53"

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

Average snowfall days in January
Mellville, WV

Average snowfall days in January - Mellville, WV
  • Average snowfall days in January: 11.6 days

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • 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).

Average sunshine days in January
Mellville, WV

Average sunshine days in January - Mellville, WV
  • Average sunshine days in January: 10.4 days

The months with the most sunshine days are October and November (17 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in January
Mellville, WV

Average UV index in January - Mellville, 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).

Average cloud cover in January
Mellville, WV

Average cloud cover in January - Mellville, 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
Mellville, WV

Average visibility in January - Mellville, 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).

Mellville, West Virginia, USA

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