January weather forecast
Martinsburg, NY

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Weather in January

January, the same as December, in Martinsburg, New York, is a freezing cold winter month, with temperature in the range of an average low of 12.6°F (-10.8°C) and an average high of 24.6°F (-4.1°C).

Temperature

January is the month when Martinsburg, New York, sees the lowest average temperatures, with a high of 24.6°F (-4.1°C) and a low of 12.6°F (-10.8°C).

Humidity

January and February, with an average relative humidity of 90%, are the most humid months.

Rainfall

In Martinsburg, New York, during January, the rain falls for 7.6 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, there are 174 rainfall days, and 40.2" (1021mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Martinsburg are January through May, October through December. The month with the most snowfall in Martinsburg, New York, is January, when snow falls for 22 days and typically aggregates up to 14.09" (358mm) of snow.

Daylight

In Martinsburg, the average length of the day in January is 9h and 22min.
On the first day of January, sunrise is at 7:35 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:10 pm EST.

Sunshine

The average sunshine in January is 2.5h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Martinsburg. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 1 in January translates into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What time of the year is the coldest in Martinsburg?

In Martinsburg, January is the month with the lowest recorded average temperatures, measuring a high of 24.6°F (-4.1°C) and a low of 12.6°F (-10.8°C).

How cold is January in Martinsburg?

The average high-temperature, in January, in Martinsburg, is 24.6°F (-4.1°C), while the average low-temperature is 12.6°F (-10.8°C).

What are the most humid months in Martinsburg?

The months with the highest humidity in Martinsburg are January and February, with an average relative humidity of 90%.

What is the average humidity in January in Martinsburg?

In January, the average relative humidity in Martinsburg, New York, is 90%.

How many days does it rain in January in Martinsburg?

In Martinsburg, in January, during 7.6 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When does it snow the most in Martinsburg?

January is the month with the most snowfall. Snow falls for 22 days and accumulates 14.09" (358mm) of snow.

How many days does it snow in January in Martinsburg?

In Martinsburg, New York, during January, snow falls for 22 days and regularly aggregates up to 14.09" (358mm) of snow.

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

In Martinsburg, the average day length in January is 9h and 22min.

When is the sunrise / sunset in January in Martinsburg?

In January, on the first day of the month, sunrise is at 7:35 am and sunset at 4:35 pm. On the last day of the month, in Martinsburg, sunrise is at 7:19 am and sunset at 5:10 pm EST.

How many hours of sunshine does Martinsburg have in January?

In January, the average sunshine duration in Martinsburg, New York, is 2.5h.

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

The months with the lowest UV index in Martinsburg are January, February and December, with an average maximum UV index of 1.

How high is the UV index in January in Martinsburg?

In January, the average daily maximum UV index in Martinsburg, New York, is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Martinsburg, NY

Average temperature in January - Martinsburg, NY
  • Average high temperature in January: 24.6°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in January: 12.6°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in January
Martinsburg, NY

Average pressure in January - Martinsburg, NY
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Martinsburg, NY

Average wind speed in January - Martinsburg, NY
  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in January
Martinsburg, NY

Average humidity in January - Martinsburg, NY
  • Average humidity in January: 90%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (78%).

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Average rainfall in January
Martinsburg, NY

Average rainfall in January - Martinsburg, NY
  • Average rainfall in January: 3.23"

The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is September (2.32").

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Average rainfall days in January
Martinsburg, NY

Average rainfall days in January - Martinsburg, NY
  • Average rainfall days in January: 7.6 days

The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is January (7.6 days).

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Average snowfall in January
Martinsburg, NY

Average snowfall in January - Martinsburg, NY
  • Average snowfall in January: 14.09"

The month with the highest snowfall is January (14.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Martinsburg, NY

Average snowfall days in January - Martinsburg, NY
  • Average snowfall days in January: 22 days

The month with the highest number of snowfall days is January (22 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
Martinsburg, NY

Average daylight in January / Average sunshine in January - Martinsburg, NY
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 2h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).

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Average sunshine days in January
Martinsburg, NY

Average sunshine days in January - Martinsburg, NY
  • Average sunshine days in January: 5.6 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (4.7 days).

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Average UV index in January
Martinsburg, NY

Average UV index in January - Martinsburg, NY
  • Average UV index in January: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in January
Martinsburg, NY

Average cloud cover in January - Martinsburg, NY
  • Average cloud cover in January: 77

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in January
Martinsburg, NY

Average visibility in January - Martinsburg, NY
  • Average visibility in January: 4mi

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

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Martinsburg, New York, USA

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