Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Martinsburg in December demonstrates a small temperature transition, adjusting from an average high of a frosty 48.6°F (9.2°C) in November to a cold 38.5°F (3.6°C). During December, the temperature is averaged to a low of 28°F (-2.2°C) at night.Humidity
In Martinsburg, the average relative humidity in December is 83%.Rainfall
In December, in Martinsburg, the rain falls for 9.8 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. In Martinsburg, during the entire year, the rain falls for 149.2 days and collects up to 18.86" (479mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Martinsburg, Ohio, in December, snow falls for 8.8 days, with typically accumulated 1.38" (35mm) of snow. In Martinsburg, Ohio, during the entire year, snow falls for 43.5 days and aggregates up to 7.4" (188mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Martinsburg.On the first day of the month, sunrise is at 7:33 am and sunset at 5:03 pm. On the last day of December, in Martinsburg, sunrise is at 7:51 am and sunset at 5:13 pm EST.
Sunshine
In Martinsburg, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index in Martinsburg 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 vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Martinsburg in December?
What is the average humidity in December in Martinsburg?
How much does it rain in Martinsburg in December?
How much does it snow in Martinsburg in December?
What is the month with the shortest days in Martinsburg?
How many hours of daylight does Martinsburg have in December?
When is the sunrise / sunset in December in Martinsburg?
How long on average sun shines in December in Martinsburg?
When is the lowest UV index in Martinsburg?
How high is the UV index in December in Martinsburg?
Average temperature in December
Martinsburg, OH
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Martinsburg, OH
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Martinsburg, OH
- Average wind speed in December: 8.8mph
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 (5.5mph).
Average humidity in December
Martinsburg, OH
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
Martinsburg, OH
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Martinsburg, OH
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in December
Martinsburg, OH
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Martinsburg, OH
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Martinsburg, OH
- Average daylight in December: 9h and 2min
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 December: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Martinsburg, OH
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Martinsburg, OH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Martinsburg, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Martinsburg, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Martinsburg, Ohio, USA
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