December weather forecast and Climate
Raleigh, NC US

• Average high temperature in December: 53.6°F

Warmest month (with highest average high temperature) is July (90.2°F).
Month with lowest average high temperature is January (50.9°F).

• Average low temperature in December: 33.3°F

Month with highest average low temperature is July (69.9°F).
Coldest month (with lowest average low temperature) is January (31°F).

• Average humidity in December: 68.5%

Month with highest relative humidity is August (77.9%).
Month with lowest relative humidity is April (61.7%).

• Average rainfall in December: 3.1"

Wettest month (with highest rainfall) is July (4.7").
Driest month (with lowest rainfall) is April (2.9").

• Average rainfall days in December: 9.4 days

Month with highest number of rainy days is July (11.9 days).
Month with lowest number of rainy days is October (7.3 days).

• Average snowfall in December: 0.6"

Month with highest snowfall is January (2.9").
Months with lowest snowfall are May, June, July, August, September and October (0").

• Average snowfall days in December: 0.5 days

Month with highest number of snowfall days is February (1.3 days).
Months with lowest number of snowfall days are May, June, July, August, September and October (0 days).

• Average daylight in December: 10h

Month with longest days is June (Average daylight: 15).
Months with shortest days are January, November and December (Average daylight: 10).

• Average sunshine in December: 5.1h

Month with most sunshine is June (Average sunshine: 8.9).
Month with least sunshine is December (Average sunshine: 5.1).

• Average UV index in December: 2

Months with highest UV index are June and July (UV index 10).
Month with lowest UV index is December (UV index 2).