December weather forecast and climate
Roper, NC

December, the first month of the winter, in Roper, is also a fresh month, with average temperature ranging between min 39.6°F (4.2°C) and max 54.1°F (12.3°C).

Temperature

In December, the average high-temperature marginally drops, from a mild 60.3°F (15.7°C) in November, to a cool 54.1°F (12.3°C). In Roper, in December, the average low-temperature is 39.6°F (4.2°C).

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

In Roper, North Carolina, during 11.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Roper, during the entire year, the rain falls for 165 days and collects up to 28.74" (730mm) of precipitation.

Snowfall

January through March and December are months with snowfall in Roper, North Carolina. December is the first month it typically snows in Roper. Throughout December, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. In Roper, North Carolina, during the entire year, snow falls for 4 days, and aggregates up to 2.44" (62mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9.8h of daylight.

Sunshine

With an average of 5.4h of sunshine, December has the least sunshine of the year in Roper.

UV index

In Roper, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 in December transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Roper?

The average high-temperature, in December, is 54.1°F (12.3°C), while the average low-temperature is 39.6°F (4.2°C).

What is the most humid month in Roper?

The most humid month in Roper, North Carolina, is December, with an average relative humidity of 80%.

What is the average humidity in December in Roper?

In December, the average relative humidity in Roper, North Carolina, is 80%.

How much does it rain in Roper in December?

In December, in Roper, North Carolina, the rain falls for 11.1 days. Throughout December, 2.2" (56mm) of precipitation is accumulated.

When does it start snowing in Roper?

December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow.

What is the month with the shortest days in Roper?

December has the shortest days of the year in Roper, North Carolina, with an average of 9.8h of daylight.

What is the average length of the day in December in Roper?

In December, the average length of the day in Roper, North Carolina, is 9.8h.

What is the month with the least sunshine in Roper?

The month with the least sunshine in Roper, North Carolina, is December, with an average of 5.4h of sunshine.

How long on average sun shines in December in Roper?

In December, the average sunshine in Roper is 5.4h.

How high is the UV index in December in Roper?

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Roper, NC
  • Average high temperature in December: 12.3°C

The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is January (9.4°C).

  • Average low temperature in December: 4.2°C

The month with the highest average low temperature is July (21.7°C).
The coldest month (with the lowest average low temperature) is January (1°C).

Average pressure in December - Roper, NC
  • Average pressure in December: 1020.1mbar

The month with the highest atmospheric pressure is November (1020.3mbar).
The month with the lowest atmospheric pressure is June (1014.6mbar).

Average wind speed in December - Roper, NC
  • Average wind speed in December: 10.8km/h

The windiest month (with the highest average wind speed) is April (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

Average humidity in December - Roper, NC
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
Months with the lowest relative humidity are January and April (76%).

Average rainfall in December - Roper, NC
  • Average rainfall in December: 56mm

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is January (44mm).

Average rainfall days in December - Roper, NC
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is October (9.3 days).

Average snowfall in December - Roper, NC
  • Average snowfall in December: 5mm

The month with the highest snowfall is February (27mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December - Roper, NC
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (1.7 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Roper, NC
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 5.4h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5.4h).

Average sunshine days in December - Roper, NC
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December - Roper, NC
  • Average UV index in December: 3

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December - Roper, NC
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 44).
Months with the least cloud cover are June and July (Cloud cover 32).

Average visibility in December - Roper, NC
  • Average visibility in December: 9km

Months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
The month with the lowest visibility is August (8km).