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
With the onset of December, the average high-temperature subtly recedes from November's fresh 52.3°F (11.3°C) to a frosty 43.5°F (6.4°C). Robson experiences a mean temperature of 31.5°F (-0.3°C) during December nights.Humidity
In Robson, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 14.5 days. Throughout December, 3.31" (84mm) of precipitation is accumulated. In Robson, during the entire year, the rain falls for 193.3 days and collects up to 35.98" (914mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Robson, in December, snow falls for 8.7 days, with typically accumulated 4.17" (106mm) of snow. Throughout the year, there are 45.1 snowfall days, and 22.2" (564mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:15 pm EST.
Sunshine
The average sunshine in December is 4.3h.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 health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December in Robson?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Robson, WV
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Robson, WV
- Average pressure in December: 30.14"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 December
Robson, WV
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Robson, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in December
Robson, WV
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Robson, WV
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).
Average snowfall in December
Robson, WV
- Average snowfall in December: 4.17"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Robson, WV
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Robson, WV
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Robson, WV
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Robson, WV
- 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 and December (UV index 2).
Average cloud cover in December
Robson, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Robson, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Robson, West Virginia, USA
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