Phoenix Weather in December: Temperature, Precipitation, Wind
Phoenix, Arizona experiences a mild and pleasant climate in December, characterized by cool temperatures and low precipitation. The average temperature hovers around 15.1°C (59.3°F), with daytime highs reaching 21.4°C (70.6°F) and nighttime lows dipping to 9.8°C (49.7°F). Residents and visitors feel comfortable throughout the day, as the average “feels like” temperature closely matches the actual temperature at 15.0°C (59.0°F).
December in Phoenix boasts relatively dry conditions, with an average precipitation of only 0.74 mm (0.03 inches). Rain occurs on approximately 5 days during the month, covering about 4.6% of the time. The probability of precipitation stands at a low 16.1%, making outdoor activities at popular attractions like the Desert Botanical Garden or Papago Park highly enjoyable.
Wind patterns in Phoenix during December are moderate, with average wind speeds of 16.0 km/h (9.9 mph) and gusts reaching up to 20.0 km/h (12.4 mph). The atmospheric pressure remains stable at 1016.8 hPa, contributing to the pleasant weather conditions.
Cloud cover in December averages 43.1%, resulting in partly cloudy days as the most common weather condition. Visibility extends to an impressive 15.7 km (9.8 miles), allowing for clear views of the surrounding desert landscape and city skyline from vantage points like Camelback Mountain.
UV index levels in December average 4.9, indicating moderate sun intensity. Visitors exploring outdoor attractions such as the Phoenix Zoo or South Mountain Park should still take precautions against sun exposure. The risk of severe weather remains low at 10.0, ensuring a stable climate throughout the month.
Sunrise in Phoenix occurs around 7:24 AM, while sunset takes place at approximately 5:23 PM, providing ample daylight hours for enjoying the city’s numerous outdoor attractions and activities. The mild temperatures and low humidity levels of 42.6% create ideal conditions for exploring popular destinations like the Heard Museum or taking a stroll through the historic downtown area.
What is the temperature in Phoenix in December?
Average air temperature in Phoenix is 15.1°C (59.3°F) in December. The outside temperature in Phoenix feels like 15°C (59°F) on a typical December day. The highest average temperature during sunny days is 21.4°C (70.6°F) and feels like 21.3°C (70.4°F). The lowest average temperature after dark is 9.8°C (49.7°F) which feels like 9.1°C (48.5°F).
How hot is Phoenix in December?
The hot temperature in December in Phoenix rises to 28.2°C (82.8°F) on sunny days with low cloud coverage and 42.6% humidity. During hottest days of December it feels like 26.8 °C (80.2°F). The average maximum temp in Phoenix is 21.4°C (80.2°F) during day time in December.
How cold is Phoenix in December?
The coldest temp in Phoenix in December drops to 5.9°C (42.6°F) during the cold nights. With 16km/h (10mph) winds and 42.6% humidity it feels like 4.1°C (39.4°F) on the coldest nights. The average minimum temperature is 9.8°C (49.7°F) during night time in December.
Does it rain in Phoenix in December?
Yes, it rains for 5 days in Phoenix, United States in December averaging 0.74 mm of precipitation. Phoenix has a 16.1% chance for rain throughout the entire month of December.
How much does it rain in Phoenix throughout December?
Phoenix has 0.74 mm (0.03 inch) of rain per day on average in December. It rains for an average of 5 days out of the entire month.
Is Phoenix windy in December?
The average speed of wind in Phoenix, United States during December is 16km/h (10mph) and average windgust is 20km/h (12.4mph). On some days in December wind can reach up to 31.2km/h (19.4mph).
What is the direction of the wind in Phoenix in December?
Most days of December the wind is blowing from East-Southeast direction in Phoenix.
What are the humidity levels in Phoenix in December?
The average humidity levels in Phoenix in December are 42.6%. Daily humidity levels in Phoenix range from 16.5% to 78.7% during December.
How many hours of daylight are in Phoenix in December?
Phoenix has 9 hours 58 minutes of daylight in December on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Phoenix in December is at 7:24:47 and the sunset is at 17:23:24.
What is the cloud coverage in Phoenix in December?
Clouds cover 43.1% of the sky on average throughout December in Phoenix. The cloud coverage ranges from 10.7% to 88% depending on the day of the month.
What is the UV level in December in Phoenix?
The average UV index in Phoenix is 4.9 in December. UV levels change throughout the month and range from 1 to 6.
What is the solar radiation in Phoenix in December?
The average solar radiation is 118.6 W/m2 (Watts per square meter) in Phoenix during December. However solar radiation levels change throughout the month and range from 24.7 W/m2 to 143.1 W/m2.
What is the solar energy during December in Phoenix?
The average solar energy during December in Phoenix is 10.2 MJ/m2 (megajoules per square metre). Solar energy ranges from 2.2 MJ/m2, to 12.4 MJ/m2 during December.
Are there severe weather risks in Phoenix in December?
Yes, there is a 10% risk for severe weather in Phoenix, United States in December.
What is the air pressure in Phoenix in December?
On average the air pressure in Phoenix in December is 1016.8 mb (millibars). Throughout the month the sea level pressure ranges from 1010.8 mb to 1022 mb.
What is the visibility in Phoenix in December?
The average daylight visibility in Phoenix in December is 15.7 km (9.7 miles). Depending on the precipitation the visibility ranges from 12.9 km (8 miles) to 16 km (9.9 miles) throughout December.
What is the dew point in Phoenix in December?
The average dew point in Phoenix during December is 0.5°C (32.9°F).
Where is the data for Phoenix climate in December coming from?
The climate data for Phoenix, Arizona, United States in December is collected from the following weather stations.
- PHOENIX AIRPORT, AZ US
- PHOENIX DEER VALLEY MUNICIPAL AIRPORT, AZ US
- SCOTTSDALE MUNICIPAL AIRPORT, AZ US
- Phoenix Encanto AZ US AZMET
- KDVT
- KPHX
- KSDL