Martinsburg
West Virginia, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Martinsburg, West VA

January, the same as December, is a wintry winter month in Martinsburg, West Virginia, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 39.6°F (4.2°C).

Temperature

The coldest month is January, with an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 22.3°F (-5.4°C).

Rainfall

In Martinsburg, West Virginia, it is raining for 9.4 days, with typically 2.4" (62mm) of accumulated precipitation. Throughout the year, there are 117.5 rainfall days, and 38.6" (980.6mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall in Martinsburg, West Virginia, is January when snow falls for 3.7 days and typically aggregates up to 9.3" (236.2mm) of snow.

Daylight

In Martinsburg, the average length of the day in January is 9.8h.

Sunshine

Months with the least sunshine in Martinsburg, West Virginia, are January, November and December, with an average of 4h of sunshine.

UV index

Months with the lowest UV index in Martinsburg, West Virginia, are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for ordinary individuals.
In January, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Martinsburg?

The coldest month in Martinsburg is January, with an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 22.3°F (-5.4°C).

What is the temperature in January in Martinsburg?

In January, the average high-temperature is 39.6°F (4.2°C), and the average low-temperature is 22.3°F (-5.4°C).

How much does it rain in Martinsburg in January?

In Martinsburg, in January, during 9.4 rainfall days, 2.4" (62mm) of precipitation is typically accumulated.

How much does it snow in Martinsburg in January?

In January, in Martinsburg, West Virginia, it is snowing for 3.7 days. Throughout January, 9.3" (236.2mm) of snow is accumulated.

What is the snowiest month in Martinsburg?

The month with the most snowfall in Martinsburg, West Virginia, is January when snow falls for 3.7 days and typically aggregates up to 9.3" (236.2mm) of snow.

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

In Martinsburg, West Virginia, the average length of the day in January is 9.8h.

What is the month with the least sunshine in Martinsburg?

January, November and December, with an average of 4h of sunshine, are months with the least sunshine.

How long on average sun shines in January in Martinsburg?

In Martinsburg, the average sunshine in January is 4h.

When is the lowest UV index in Martinsburg?

Months with the lowest UV index in Martinsburg, West Virginia, are January, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Martinsburg?

The average daily maximum UV index in January in Martinsburg is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in January - Martinsburg, West VA
  • Average high temperature in January: 39.5°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 (39.5°F).

  • Average low temperature in January: 22.3°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average rainfall in January - Martinsburg, West VA
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is May (4.1").
The driest month (with the lowest rainfall) is February (2.3").

Average rainfall days in January - Martinsburg, West VA
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is May (12.6 days).
The month with the lowest number of rainy days is October (8.5 days).

Average snowfall in January - Martinsburg, West VA
  • Average snowfall in January: 9.3"

The month with the highest snowfall is January (9.3").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in January - Martinsburg, West VA
  • Average snowfall days in January: 3.7 days

The month with the highest number of snowfall days is January (3.7 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January / Average sunshine in January - Martinsburg, West VA
  • Average daylight in January: 9.8h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in January: 4h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 4).

Average UV index in January - Martinsburg, West VA
  • Average UV index in January: 2

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).