Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Martinsburg notes the coldest temperatures in January, with a high average of 31.8°F (-0.1°C) and a low of 19.9°F (-6.7°C).Humidity
In January, the average relative humidity is 81%.Rainfall
In January, the rain falls for 10.1 days. Throughout January, 2.09" (53mm) of precipitation is accumulated. In Martinsburg, during the entire year, the rain falls for 170.1 days and collects up to 29.69" (754mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Martinsburg, in January, during 14.3 snowfall days, 5.91" (150mm) of snow is typically accumulated. Throughout the year, there are 52.3 snowfall days, and 25.55" (649mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 7:35 am and sunset at 4:57 pm. On the last day of January, sunrise is at 7:23 am and sunset at 5:29 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Martinsburg. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are the coldest months in Martinsburg?
How cold is January in Martinsburg?
What is the average humidity in January in Martinsburg?
How much does it rain in Martinsburg in January?
How many days does it snow in January in Martinsburg?
What is the average length of the day in January in Martinsburg?
When is the sunrise / sunset in January in Martinsburg?
What is the month with the least sunshine in Martinsburg?
How many hours of sunshine does Martinsburg have in January?
What is the month with the lowest UV index in Martinsburg?
What is the UV index reading in January in Martinsburg?
Average temperature in January
Martinsburg, PA
- Average high temperature in January: 31.8°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 (31.8°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Martinsburg, PA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Martinsburg, PA
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Martinsburg, PA
- Average humidity in January: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in January
Martinsburg, PA
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in January
Martinsburg, PA
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in January
Martinsburg, PA
- Average snowfall in January: 5.91"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Martinsburg, PA
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Martinsburg, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Martinsburg, PA
- Average sunshine days in January: 10.7 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in January
Martinsburg, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Martinsburg, PA
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Martinsburg, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Martinsburg, Pennsylvania, USA
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