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 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
Phoenix marks the onset of December with an average high-temperature of a still moderately hot 25.1°C (77.2°F), subtly divergent from November's 23.5°C (74.3°F). Throughout December in Phoenix, a steady low-temperature average of 18.8°C (65.8°F) is noted.Humidity
The most humid month is December, with an average relative humidity of 83%.Rainfall
In Phoenix, South Africa, during December, the rain falls for 23.4 days and regularly aggregates up to 84mm (3.31") of precipitation. In Phoenix, South Africa, during the entire year, the rain falls for 182.6 days and collects up to 597mm (23.5") of precipitation.Daylight
With an average of 14h and 0min of daylight, December has the longest days of the year in Phoenix.On the first day of December, sunrise is at 04:47 and sunset at 18:42. On the last day of the month, sunrise is at 04:58 and sunset at 18:59 SAST.
Sunshine
In Phoenix, the average sunshine in December is 7.1h.UV index
January through March and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in December translates into the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are the temperatures in Phoenix in December?
What is the most humid month in Phoenix?
What is the average humidity in December in Phoenix?
How much does it rain in Phoenix in December?
When are the longest days in Phoenix?
How many hours of daylight does Phoenix have in December?
When are sunrise and sunset in December in Phoenix?
How long on average sun shines in December in Phoenix?
When is the highest UV index in Phoenix?
How high is the UV index in December in Phoenix?
Average temperature in December
Phoenix, South Africa
- Average high temperature in December: 25.1°C
The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in December: 18.8°C
The month with the highest average low temperature is February (20.2°C).
The coldest month (with the lowest average low temperature) is July (13.6°C).
Average pressure in December
Phoenix, South Africa
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is July (1023.1mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).
Average wind speed in December
Phoenix, South Africa
- Average wind speed in December: 13.1km/h
The windiest month (with the highest average wind speed) is October (14.5km/h).
The calmest month (with the lowest average wind speed) is May (11km/h).
Average humidity in December
Phoenix, South Africa
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is June (64%).
Average rainfall in December
Phoenix, South Africa
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is June (11mm).
Average rainfall days in December
Phoenix, South Africa
- Average rainfall days in December: 23.4 days
The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is June (6.5 days).
Average daylight in December /
Average sunshine in December
Phoenix, South Africa
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in December: 7h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 30min).
The month with the least sunshine is April (Average sunshine: 5h and 54min).
Average sunshine days in December
Phoenix, South Africa
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in December
Phoenix, South Africa
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is October (UV index 4).
Average cloud cover in December
Phoenix, South Africa
- Average cloud cover in December: 58
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Phoenix, South Africa
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
Phoenix, South Africa
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